CN109021991B - Totally-enclosed centralized collection and treatment method for coke oven smoke - Google Patents
Totally-enclosed centralized collection and treatment method for coke oven smoke Download PDFInfo
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- CN109021991B CN109021991B CN201811140864.8A CN201811140864A CN109021991B CN 109021991 B CN109021991 B CN 109021991B CN 201811140864 A CN201811140864 A CN 201811140864A CN 109021991 B CN109021991 B CN 109021991B
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- C—CHEMISTRY; METALLURGY
- 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
Abstract
The invention relates to a coke oven smoke totally-enclosed centralized collecting and processing method, which adopts a totally-enclosed smoke collecting cover to completely enclose a coke oven and accessory facilities thereof, wherein the top of the smoke collecting cover is provided with a smoke collecting pipe network which comprises a furnace top coal-charging smoke collecting pipe, a machine side coke pushing smoke collecting pipe, a coke side coke discharging smoke collecting pipe and a smoke collecting main pipe; the furnace top coal charging smoke collecting pipe is used for collecting smoke discharged during coal charging operation of the carbonization chamber and dissipated smoke in a furnace top area; the coke side coke discharging smoke collecting pipe is used for collecting smoke discharged during coke discharging operation of the coking chamber and coke side escaping smoke; and the smoke dust is sent to a dust removal system for centralized treatment. The invention realizes the centralized collection and treatment of the smoke and dust dissipated by the coke oven and the smoke and dust discharged during operation, and simultaneously, the invention is matched with perfect safety facilities to ensure the safe operation of the totally-enclosed coke oven.
Description
Technical Field
The invention relates to the technical field of coke oven dust removal, in particular to a totally-closed centralized collection and 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 coke oven smoke dust totally-closed centralized collecting and processing method, which realizes the centralized collection of the smoke dust dissipated by a coke oven and paroxysmal smoke dust during operation, realizes the integrated treatment of all the smoke dust of the coke oven, is matched with perfect safety facilities, and ensures the safe operation of the totally-closed coke oven; 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 coke oven smoke totally-enclosed centralized collection and treatment method, adopt totally enclosed smoke and dust collecting cover to totally enclose coke oven and its affiliated facilities, set up the smoke and dust collecting pipe network at the smoke and dust collecting cover top, the smoke and dust collecting pipe network includes the smoke and dust collecting pipe of coal charging of furnace roof, machine side pushes away the collecting pipe of the coke smoke and dust, coke side and goes out of the collecting pipe of the coke smoke and dust and collecting main pipe; the furnace top area, the machine side and the coke side of each hole carbonization chamber of the coke oven are respectively provided with a furnace top coal charging smoke dust collecting pipe, a machine side coke pushing smoke dust collecting pipe and a coke side coke discharging smoke dust collecting pipe in a one-to-one correspondence manner; the bottom opening of the top coal charging smoke dust collecting pipe is positioned in the top area of the coke oven and is used for collecting smoke dust discharged during the coal charging operation of the carbonization chamber and dissipated smoke dust in the top area of the coke oven; the bottom opening of the coke side coke pushing smoke collecting pipe is positioned at the coke oven side and is used for collecting smoke discharged during coke pushing operation of the coking chamber and escaping smoke at the coke side; the smoke dust collecting pipe on the top of the furnace, the smoke dust collecting pipe on the side of the machine for pushing coke and the smoke dust collecting pipe on the coke side for discharging coke are used for collecting all the smoke dust dissipated by the coke oven and the smoke dust discharged during coal loading, pushing coke and discharging coke into the smoke dust collecting main pipe, and then the smoke dust collecting main pipe is conveyed into the dust removing system through the smoke dust conveying pipeline for centralized treatment.
Flap valves are respectively arranged in the furnace top coal charging smoke dust collecting pipe, the machine side coke pushing smoke dust collecting pipe and the coke side coke discharging smoke dust collecting pipe; when the coke oven is normally produced, the opening degree of the flap valve in each smoke dust collecting pipe corresponding to the coking chamber which is carrying out coal loading, coke pushing or coke discharging operation is adjusted to be more than 80 percent, and the opening degree of the flap valve in the smoke dust collecting pipe corresponding to other coking chambers is adjusted within 20 percent according to requirements.
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 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 smoke dust collecting pipe network is arranged below the groove-shaped structure.
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 scattered smoke dust generated in the coke oven production and paroxysmal smoke dust discharged during operation are collected in a centralized manner, organized discharge of all smoke dust of the coke oven is realized, and the integral dust removing effect of the coke oven is greatly improved;
2) the scattered smoke dust and the smoke dust generated by coal charging, coke pushing and coke discharging are collected in a centralized manner and then are sent into a dust removal system for centralized treatment, so that the energy conservation and the consumption reduction are facilitated, and the equipment investment and the equipment floor area are reduced;
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 centralized collection and treatment method for coke oven smoke according to the present invention.
Fig. 2 is a schematic structural view of the smoke collecting pipe network of the present invention.
In the figure: 1. the system comprises a smoke dust collecting cover 2, a coke oven 3, a machine side coke pusher 4, a coke side coke guide 5, a furnace top coal charging car 6, a smoke dust collecting pipe network 61, a furnace top coal charging smoke dust collecting pipe 62, a machine side coke pushing smoke dust collecting pipe 63, a coke side coke discharging smoke dust collecting pipe 64, a smoke dust collecting main pipe 7, a smoke dust conveying pipe 8, a dust removing ground station 9, a suction fan 10, a self-operated blast cap 11, a coke oven ascending pipe 12, a fire guiding device 13, a back blowing port 14, a back blowing fan 15, a fire fighting device 16 and a flap valve
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figures 1 and 2, the coke oven smoke totally-enclosed centralized collection and treatment method adopts a totally-enclosed smoke collection cover 1 to totally enclose a coke oven 2 and the accessory facilities thereof, the top of the smoke collection cover 1 is provided with a smoke collection pipe network 6, and the smoke collection pipe network 6 comprises a coal-charging smoke collection pipe 61 at the top of the oven, a machine-side coke-pushing smoke collection pipe 62, a coke-side coke-discharging smoke collection pipe 63 and a smoke collection main pipe 64; the furnace top area, the machine side and the coke side of each hole carbonization chamber of the coke furnace 2 are respectively provided with a furnace top coal charging smoke dust collecting pipe 61, a machine side coke pushing smoke dust collecting pipe 62 and a coke side coke discharging smoke dust collecting pipe 63 in a one-to-one correspondence manner; the bottom opening of the top coal charging smoke collecting pipe 61 is positioned in the top area of the coke oven and is used for collecting smoke discharged during the coal charging operation of the carbonization chamber and dissipated smoke in the top area of the coke oven; the bottom opening of the machine side coke pushing smoke collecting pipe 62 is positioned at the machine side of the coke oven and is used for collecting smoke discharged during coke pushing operation of the coking chamber and dissipated smoke at the machine side, and the bottom opening of the coke side coke discharging smoke collecting pipe 63 is positioned at the coke side of the coke oven and is used for collecting smoke discharged during coke discharging operation of the coking chamber and dissipated smoke at the coke side; the smoke dust collecting pipe 61 on the top of the furnace, the smoke dust collecting pipe 62 on the side of the machine for pushing coke and the smoke dust collecting pipe 63 on the coke side for discharging coke are all collected into the smoke dust collecting main pipe 64 together with the smoke dust discharged during the coal loading, the pushing coke and the discharging coke, and then are sent to the dust removing system for centralized processing through the smoke dust conveying pipe 7.
The furnace top coal charging smoke dust collecting pipe 61, the machine side coke pushing smoke dust collecting pipe 62 and the coke side coke discharging smoke dust collecting pipe 63 are respectively provided with a flap valve 16; during normal production, the opening degree of the flap valves 16 in the smoke collecting pipes 61, 62 and 63 corresponding to the coking chambers which are carrying out coal loading, coke pushing or coke discharging operations is adjusted to be more than 80%, and the opening degree of the flap valves 16 in the smoke collecting pipes 61, 62 and 63 corresponding to other coking chambers is adjusted within 20% according to requirements.
The periphery of the smoke dust collecting cover 1 is provided with a plurality of back blowing openings 13 which are respectively connected with corresponding back blowing fans 14, 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 10; when the coke oven is in an accident state, the air is forcibly exhausted through a plurality of self-operated blast caps 10 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 13.
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 smoke dust collecting pipe network 6 is arranged below the groove-shaped structure.
The dust removal system is a dust removal ground station 8, and the dust removal ground station 8 is provided with a suction fan 9.
A plurality of fire guiding devices 12 are arranged on the smoke dust collecting cover 1; the fire guiding device 12 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 11 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 11, 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 11 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 11 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 dust collection hood 1 is protected.
The water seal cover, the fire guide pipe cover/the fire guide pipe valve of the coke oven ascending pipe 11 are also provided with a manual opening and closing device; when power failure is caused by an accident state, a water seal cover and a fire guiding pipe cover/fire guiding pipe valve of a coke oven ascending pipe 11 are opened and closed through a manual opening and closing device, meanwhile, a back-blowing fan 14 is driven by a standby diesel generator, and fresh air is blown into the smoke dust collecting cover 1 through a back-blowing port 13.
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, and a self-operated blast cap 10 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, and 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) 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 smoke dust collecting pipe network 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 8) through a smoke dust conveying pipeline 7, and conveys the collected coke oven smoke dust to the dust removing system by means of the suction force of a suction fan 9; the smoke dust collecting pipe network 6 comprises a furnace top coal charging smoke dust collecting pipe 61, a machine side coke pushing smoke dust collecting pipe 62 and a coke side coke discharging smoke dust collecting pipe 63, the 3 collecting pipes 61, 62 and 63 are simultaneously used for collecting the escaping smoke dust of the corresponding area, namely all the smoke dust generated by the coke oven 2 is finally sent into a dust removing system through a smoke dust conveying pipeline 7, and the clean smoke gas 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, the smoke collecting pipe network 6 is linked with a coke oven control system to realize the automatic regulation of smoke quantity collection, and the opening degree of the smoke collecting pipes 61, 62 and 63 in the coal loading, coke pushing and coke discharging operation areas is larger than that of the flap valves 16 in the smoke collecting pipes 61, 62 and 63 in other areas. For example, when the nth hole coking chamber is used for coke pushing operation, the opening degrees of the flap valves 16 in the machine side coke pushing smoke collecting pipe 62, the coke side coke discharging smoke collecting pipe 63 and the furnace top coal charging smoke collecting pipe 61 of the nth hole coking chamber corresponding to the nth hole coking chamber are all adjusted to 80-100%, and the opening degrees of the flap valves 16 in the machine side coke pushing smoke collecting pipe 62, the coke side coke discharging smoke collecting pipe 63 and the furnace top coal charging smoke collecting pipe 61 corresponding to the rest of the coking chambers can be adjusted to 20% according to requirements. Meanwhile, the suction fan 9 adopts a frequency conversion control mode, and the rotating speed of the suction fan can be adjusted in real time according to the smoke dust generation amount so as to achieve the purposes of energy conservation and consumption reduction.
A plurality of back blowing openings 13 are arranged around the smoke dust collecting cover 1, and a back blowing fan 14 is started periodically to blow fresh air into the smoke dust collecting cover 1 from the back blowing openings 13, 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 13 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 failure condition occurs, the blowback fan 14 can continue to work under the driving of the diesel generator. In addition, a plurality of self-operated hoods 10 are arranged at the top of the smoke dust collecting cover 1, and can be synchronously opened with the back-blowing fan 14 in an accident state, and the auxiliary back-blowing fan 14 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 11 of the coke oven can be 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 invention adds the fire guiding device 12 above the ascending pipe 11 of the coke oven, the fire guiding device 12 and the ascending pipe 11 of the coke oven are arranged in a one-to-one correspondence way, the inlet of the fire guiding device 12 is positioned right above the ascending pipe 11 of the coke oven, 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 12 can be synchronously opened with the water sealing cover of the coke oven ascending pipe 11 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 totally-enclosed centralized collection and treatment method is characterized in that a totally-enclosed smoke collection cover is adopted to completely enclose a coke oven and accessory facilities thereof, a smoke collection pipe network is arranged at the top of the smoke collection cover, and comprises a furnace top coal-charging smoke collection pipe, a machine side coke pushing smoke collection pipe, a coke side coke discharging smoke collection pipe and a smoke collection main pipe; the furnace top area, the machine side and the coke side of each hole carbonization chamber of the coke oven are respectively provided with a furnace top coal charging smoke dust collecting pipe, a machine side coke pushing smoke dust collecting pipe and a coke side coke discharging smoke dust collecting pipe in a one-to-one correspondence manner; the bottom opening of the furnace top coal charging smoke dust collecting pipe is positioned above the furnace top of the coke oven and is used for collecting smoke dust discharged during the coal charging operation of the carbonization chamber and dissipated smoke dust in the furnace top area; the bottom opening of the coke side coke-pushing smoke collecting pipe is positioned above the coke oven side and is used for collecting smoke discharged during coke pushing operation of the coking chamber and dissipated smoke at the coke side; the smoke dust collecting pipe on the top of the furnace, the smoke dust collecting pipe on the side of the machine for pushing coke and the smoke dust collecting pipe on the coke side for discharging coke are used for collecting all the smoke dust dissipated by the coke oven and the smoke dust discharged during coal loading, pushing coke and discharging coke into the smoke dust collecting main pipe and then are conveyed into the dust removing system through the smoke dust conveying pipeline for centralized treatment; 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 centralized collection and treatment method according to claim 1, characterized in that flap valves are respectively arranged in the furnace top coal charging smoke collection pipe, the machine side coke pushing smoke collection pipe and the coke side coke discharging smoke collection pipe; when the coke oven is normally produced, the opening degree of the flap valve in each smoke dust collecting pipe corresponding to the coking chamber which is carrying out coal loading, coke pushing or coke discharging operation is adjusted to be more than 80 percent, and the opening degree of the flap valve in the smoke dust collecting pipe corresponding to other coking chambers is adjusted within 20 percent according to requirements.
3. The coke oven smoke totally-enclosed centralized collection and treatment method according to claim 1, 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.
4. The coke oven smoke totally-enclosed centralized collection and treatment method according to claim 1, 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 smoke collection pipe network is arranged below the groove-shaped structure.
5. The coke oven smoke dust totally-enclosed centralized collection and 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.
6. The coke oven smoke totally-enclosed centralized collection and treatment method according to claim 1, wherein the water seal cover, the fire-guiding pipe cover/the fire-guiding pipe valve of the coke oven ascension pipe are further provided with manual opening and closing devices; 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.
7. The coke oven smoke totally-enclosed centralized collection and treatment method according to claim 1, 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.
8. The coke oven smoke totally-enclosed centralized collection and treatment method of claim 1, wherein a fire-fighting device and a combustible and toxic gas detection alarm device are arranged in the smoke collection cover.
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| CN109735350B (en) * | 2019-02-26 | 2024-01-05 | 内蒙古金石镁业有限公司 | Coke oven coal-charging smoke dust collecting device and method thereof |
| CN112662408A (en) * | 2020-11-24 | 2021-04-16 | 山东省冶金设计院股份有限公司 | Continuous collection technology for unorganized discharge of coke side furnace door of coke oven machine |
Citations (7)
| 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 |
| 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 |
| 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 |
| CN107201239A (en) * | 2017-07-21 | 2017-09-26 | 中冶焦耐(大连)工程技术有限公司 | A kind of anti-loss system and method for tamping coke oven machine side-installed coal flue dust |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260304A (en) * | 2007-12-21 | 2008-09-10 | 山西发鑫集团有限公司 | Technique and device for removing dust of coke oven by boiler 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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Patent Citations (7)
| 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 |
| 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 |
| 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 |
| CN107201239A (en) * | 2017-07-21 | 2017-09-26 | 中冶焦耐(大连)工程技术有限公司 | A kind of anti-loss system and method for tamping coke oven machine side-installed coal flue dust |
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