CN109054871B - Linkage type fire guiding device of coke oven ascending pipe and working method thereof - Google Patents
Linkage type fire guiding device of coke oven ascending pipe and working method thereof Download PDFInfo
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- CN109054871B CN109054871B CN201811142415.7A CN201811142415A CN109054871B CN 109054871 B CN109054871 B CN 109054871B CN 201811142415 A CN201811142415 A CN 201811142415A CN 109054871 B CN109054871 B CN 109054871B
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- Prior art keywords
- coke oven
- pipe
- fire
- seal cover
- water seal
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Classifications
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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
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- 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
- C10B43/06—Removing incrustations by mechanical means from conduits, valves or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention relates to a linkage type fire guiding device of a coke oven ascending pipe and a working method thereof, wherein an outlet at the top of the ascending pipe is positioned below a coke oven dust hood and is provided with a water seal cover, and the water seal cover is driven by a water seal cover executing mechanism to realize opening and closing; the linkage type fire guiding device consists of a fire guiding pipe, a connecting rod mechanism and a turning plate, wherein the fire guiding pipe is arranged right above the ascending pipe, the top of the fire guiding pipe penetrates out of the dust hood of the coke oven, the turning plate is arranged in the fire guiding pipe, and the turning plate is linked with the water sealing cover through the connecting rod mechanism to realize synchronous opening and closing. The invention is used for a coke oven with a coke oven dust hood, can avoid the flame roasting coke oven dust hood generated by the combustion of raw gas in the ascending pipe, and guides high-temperature smoke dust dissipated by the ascending pipe out of the coke oven dust hood in an accident state, thereby achieving the purpose of protecting the coke oven dust hood; in addition, the fire guide pipe can also reversely and forcedly ventilate, so that explosion risks caused by accumulation of a large amount of combustible gas in a coke oven area in an accident state are prevented, and the coke oven area is suitable for various working conditions.
Description
Technical Field
The invention relates to the technical field of coking dust removal, in particular to a linkage type fire guiding device of a coke oven riser and a working method thereof.
Background
The coking industry is an important industry related to national economy and pulse, and development is rapid in recent years, but serious environmental pollution problems caused by coking production are also increasingly prominent. In the production process of the coke oven, the positions of the oven door, the oven top coal charging hole, the fire observation hole and the like can escape smoke dust, and production links such as coal charging, coke discharging and the like can also escape a large amount of paroxysmal pollutants into the atmosphere. The escaping smoke contains coal gas containing tar substances and a large amount of dust, which causes great harm to the surrounding environment. With the continuous improvement of the national environmental protection requirements, 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 advanced, energy-saving and efficient environmental protection new technology.
The Chinese patent with the patent publication number of CN 107828430A discloses a dust hood of a coke oven, and a needle is used for collecting and treating dust dissipated by the coke oven, and a fire-proof layer is used for protecting the dust hood and consists of a fire-proof plate and fireproof cotton, so that the dust hood can be protected to a certain extent. However, in the technical scheme, the top of the coke oven is totally sealed by the dust hood, the ascending pipe is also arranged in the dust hood, flame and high-temperature smoke generated by the combustion of raw gas have the characteristics of high temperature and long flame when the water seal cover is opened in the production of the coke oven, and each coking period can occur. Moreover, the water seal cover can be forced to be opened sometimes in an accident state, a large amount of high-temperature smoke dust and raw gas can escape from the coke oven ascending pipe, the inner side of the dust hood can be directly roasted, the dust hood can not be effectively protected by the existing heat insulation measures, and the dust hood can be heated to deform or even burn.
Disclosure of Invention
The invention provides a linkage type fire guiding device of a coke oven ascending pipe and a working method thereof, which can avoid a flame roasting coke oven dust hood generated by the combustion of raw gas in the ascending pipe, and guide high-temperature smoke dust dissipated by the ascending pipe out of the coke oven dust hood in an accident state, so as to achieve the aim of protecting the coke oven dust hood; in addition, the fire guide pipe can also reversely and forcedly ventilate, so that explosion risks caused by accumulation of a large amount of combustible gas in a coke oven area in an accident state are prevented, and the coke oven area is suitable for various working conditions.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the linkage type fire guiding device of the coke oven ascending pipe comprises the ascending pipe, a water seal cover and a water seal cover executing mechanism, wherein the top outlet of the ascending pipe is positioned below the coke oven dust hood and is provided with the water seal cover, and the water seal cover is driven by the water seal cover executing mechanism to realize opening and closing; the linkage type fire guiding device consists of a fire guiding pipe, a connecting rod mechanism and a turning plate, wherein the fire guiding pipe is arranged right above the ascending pipe, the top of the fire guiding pipe penetrates out of the dust hood of the coke oven, the turning plate is arranged in the fire guiding pipe, and the turning plate is linked with the water sealing cover through the connecting rod mechanism to realize synchronous opening and closing.
The position of the turning plate is higher than the highest point of the flame sprayed by the riser, and the surface of the turning plate is coated with high-temperature-resistant paint.
The fire guide pipe is provided with a plurality of ventilation holes along the circumferential direction, and the ventilation holes are connected with an external counter-blowing machine.
The inner wall of the fire guide pipe is provided with a refractory material layer, and the top of the fire guide pipe is provided with a rain cap.
The bottom of the fire guide pipe is provided with a collecting opening, and the shape of the collecting opening is conical or trumpet-shaped expanding downwards.
The connecting rod mechanism is made of stainless steel materials, and a heat insulation material is coated on the surface of the connecting rod mechanism.
The water seal cover executing mechanism comprises an automatic executing mechanism and a manual operating mechanism, wherein the automatic executing mechanism adopts a pneumatic, hydraulic or electric executing mechanism, has the functions of speed regulation and buffering, and is controlled by interlocking with the coke oven control system.
The working method of the linkage type fire guiding device of the coke oven ascending pipe comprises the following steps:
1) When the coke oven is in normal production, under the control of the coke oven control system, the water seal cover and the turning plate are simultaneously opened until coke is pushed out, and smoke dust generated after the raw gas is combusted is led out of the dust hood of the coke oven through the ascending pipe and the fire guide pipe in sequence;
2) When the coke oven control system fails, the manual operating mechanism is used for controlling the synchronous opening and closing of the water seal cover and the turning plate;
3) Under the accident state of the coke oven, the internal pressure of the gas collecting system rises to forcedly open the water seal cover, and the turning plate is simultaneously opened through the transmission of the connecting rod mechanism, so that high-temperature smoke dust and raw gas are led out of the dust hood of the coke oven through the fire guide pipe;
4) When the coke oven is normally produced, the ventilation holes on the fire guide pipe are utilized to regularly ventilate along with the ventilation system of the dust hood of the coke oven by using the back blower, so that the good ventilation condition in the coke oven area is ensured;
5) In the accident state of the coke oven, raw gas diffused in the coke oven area is accumulated in the coke oven dust hood and cannot be discharged, so that major potential safety hazards are caused, when a coke oven power supply system works normally, a counter blower is immediately started, a large amount of air is blown into the coke oven dust hood through a vent hole on a fire guide pipe, and the concentration of combustible components is reduced below an explosion limit; if the coke oven power supply system is in a power failure state at this time, the back-up blower is powered by the standby diesel generator to perform forced ventilation.
Compared with the prior art, the invention has the beneficial effects that:
1) The device is applicable to the coke oven with the fully-closed or semi-closed coke oven dust hood, can guide high-temperature smoke dust dissipated by the ascending pipe under an accident state out of the coke oven dust hood, and can prevent flames generated by the combustion of raw gas in the ascending pipe from directly roasting the coke oven dust hood, thereby effectively protecting the coke oven dust hood;
2) The air guide pipe can also reversely and forcedly ventilate, and the air guide pipe can regularly ventilate along with a ventilation system of the dust hood of the coke oven during normal production, so that the overall ventilation of the coke oven area is ensured to be good, and the operation environment of the coke oven area is improved; under the accident state, the explosion risk caused by the accumulation of a large amount of combustible gas in the coke oven area can be avoided;
3) The device has simple structure, safety and reliability, is provided with an automatic executing mechanism and a manual operating mechanism, and is suitable for various working conditions;
4) The new coke oven and the old coke can be modified and upgraded.
Drawings
Fig. 1 is a schematic structural view of a linkage type fire guiding device of a coke oven riser (both a water seal cover and a turning plate are in an open state).
Fig. 2 is a schematic structural view of a linkage type fire guiding device of a coke oven riser (both a water seal cover and a turning plate are in a closed state).
In the figure: 1. the coke oven dust hood 2, the ascending pipe 3, the water seal cover 4, the water seal cover actuating mechanism 5, the fire guide pipe 6, the connecting rod mechanism 7, the turning plate 8 and the collecting port
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1 and 2, the linkage type fire guiding device for the coke oven ascending pipe comprises an ascending pipe 2, a water seal cover 3 and a water seal cover executing mechanism 4, wherein the top outlet of the ascending pipe 2 is positioned below a coke oven dust hood 1 and is provided with a water seal cover 3, and the water seal cover 3 is driven by the water seal cover executing mechanism 4 to realize opening and closing; the linkage type fire guiding device consists of a fire guiding pipe 5, a connecting rod mechanism 6 and a turning plate 7, wherein the fire guiding pipe 5 is arranged right above the ascending pipe 2, the top of the fire guiding pipe 5 penetrates out of the coke oven dust hood 1, the turning plate 7 is arranged in the fire guiding pipe 5, and the turning plate 7 is linked with the water seal cover 3 through the connecting rod mechanism 6 to realize synchronous opening and closing.
The position of the turning plate 7 is higher than the highest point of flame sprayed by the riser 2, and the surface of the turning plate 7 is coated with high-temperature-resistant paint.
The fire guide pipe 5 is provided with a plurality of ventilation holes along the circumferential direction, and the ventilation holes are connected with an external counter-blowing machine.
The inner wall of the fire guide pipe 5 is provided with a refractory material layer, and the top of the fire guide pipe is provided with a rain cap.
The bottom of the fire guide pipe 5 is provided with a collecting opening 8, and the shape of the collecting opening 8 is conical or trumpet-shaped expanding downwards.
The connecting rod mechanism 6 is made of stainless steel materials, and a heat insulation material is coated on the surface of the connecting rod mechanism.
The water seal cover executing mechanism 4 comprises an automatic executing mechanism and a manual operating mechanism, wherein the automatic executing mechanism adopts a pneumatic, hydraulic or electric executing mechanism, has the functions of speed regulation and buffering, and is controlled by interlocking with a coke oven control system.
The working method of the linkage type fire guiding device of the coke oven ascending pipe comprises the following steps:
1) When the coke oven is in normal production, under the control of a coke oven control system, the water seal cover 3 and the turning plate 7 are simultaneously opened until coke is pushed, and smoke dust generated after raw gas is combusted is led out of the coke oven dust hood 1 through the ascending pipe 2 and the fire guide pipe 5 in sequence;
2) When the coke oven control system fails, the manual operating mechanism is used for controlling the synchronous opening and closing of the water seal cover 3 and the turning plate 7;
3) Under the accident state of the coke oven, the internal pressure of the gas collecting system rises to forcedly open the water seal cover 3, and the turning plate 7 is simultaneously opened by the transmission of the connecting rod mechanism 6, so that high-temperature smoke dust and raw gas are led out of the coke oven dust hood 1 through the fire guide pipe 5;
4) When the coke oven is produced normally, the ventilation holes on the fire guide pipe 5 are utilized to perform regular ventilation along with the ventilation system of the dust hood of the coke oven by using a back blower, so that the good ventilation condition in the coke oven area is ensured;
5) In the accident state of the coke oven, raw gas diffused in the coke oven area is accumulated in the coke oven dust hood 1 and cannot be discharged, so that major potential safety hazards are caused, if a coke oven power supply system works normally, a counter blower is immediately started, a large amount of air is blown into the coke oven dust hood 1 through a vent hole on the fire guide pipe 5, and the concentration of combustible components is reduced below the explosion limit; if the coke oven power supply system is in a power failure state at this time, the back-up blower is powered by the standby diesel generator to perform forced ventilation.
As shown in fig. 1 and 2, in the invention, a rising pipe 2 is positioned in a coke oven dust hood 1, and a water seal cover 3 is arranged at the top opening of the rising pipe; the fire guide pipe 5 is arranged right above the rising pipe 2 and is fixedly connected with the coke oven dust hood 1. The collecting opening 8 at the bottom of the fire guide pipe 5 is close to the top opening of the ascending pipe 2, and the distance of the collecting opening is enough that the normal opening and closing of the water seal cover 3 is not influenced.
When the ascending pipe 2 which is not provided with the automatic executing mechanism or the automatic executing mechanism fails, the automatic executing mechanism can be operated through a manual operating mechanism, the manual operating mechanism is mainly a pull rod, one end of the pull rod is connected with a rotating shaft of the water seal cover 3, and when the rotating shaft is pulled to rotate, the water seal cover 3 is driven to realize opening and closing actions, and the other end of the pull rod is a handheld operating end. When the water seal cover 3 is manually pulled to open, the turning plate 7 is synchronously opened and closed through the transmission of the link mechanism 6.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The linkage type fire guiding device of the coke oven ascending pipe comprises the ascending pipe, a water seal cover and a water seal cover executing mechanism, wherein the top outlet of the ascending pipe is positioned below the coke oven dust hood and is provided with the water seal cover, and the water seal cover is driven by the water seal cover executing mechanism to realize opening and closing; the linkage type fire guiding device is characterized by comprising a fire guiding pipe, a connecting rod mechanism and a turning plate, wherein the fire guiding pipe is arranged right above the ascending pipe, the top of the fire guiding pipe penetrates out of the dust hood of the coke oven, the turning plate is arranged in the fire guiding pipe, and the turning plate is linked with the water seal cover through the connecting rod mechanism to realize synchronous opening and closing.
2. The linkage type ignition device of a coke oven riser tube according to claim 1, wherein the turning plate is arranged at a position higher than the highest point of flame sprayed by the riser tube, and the surface of the turning plate is coated with high temperature resistant paint.
3. The linkage type ignition device of a coke oven riser tube according to claim 1, wherein the ignition tube is provided with a plurality of ventilation holes along the circumferential direction, and the ventilation holes are connected with an external counter-blowing machine.
4. A linkage type fire-guiding device of a coke oven riser according to claim 1 or 3, wherein the inner wall of the fire-guiding tube is provided with a refractory material layer, and the top is provided with a rain-proof cap.
5. A coke oven riser linked fire guide according to claim 1 or 3, wherein the bottom of the fire guide is provided with a collection port, and the collection port is conical or trumpet-shaped expanding downwards.
6. The linkage type ignition device of a coke oven riser tube according to claim 1, wherein the link mechanism is made of stainless steel materials, and a heat insulation material is coated on the surface of the link mechanism.
7. The linkage type ignition device of the coke oven ascending pipe according to claim 1, wherein the water seal cover actuating mechanism comprises an automatic actuating mechanism and a manual actuating mechanism, wherein the automatic actuating mechanism adopts a pneumatic, hydraulic or electric actuating mechanism, has speed regulation and buffering functions, and is controlled in an interlocking manner with a coke oven control system.
8. The method of operating a ganged-type fireguide apparatus for a coke oven riser as set forth in claim 1, comprising:
1) When the coke oven is in normal production, under the control of the coke oven control system, the water seal cover and the turning plate are simultaneously opened until coke is pushed out, and smoke dust generated after the raw gas is combusted is led out of the dust hood of the coke oven through the ascending pipe and the fire guide pipe in sequence;
2) When the coke oven control system fails, the manual operating mechanism is used for controlling the synchronous opening and closing of the water seal cover and the turning plate;
3) Under the accident state of the coke oven, the internal pressure of the gas collecting system rises to forcedly open the water seal cover, and the turning plate is simultaneously opened through the transmission of the connecting rod mechanism, so that high-temperature smoke dust and raw gas are led out of the dust hood of the coke oven through the fire guide pipe;
4) When the coke oven is normally produced, the ventilation holes on the fire guide pipe are utilized to regularly ventilate along with the ventilation system of the dust hood of the coke oven by using the back blower, so that the good ventilation condition in the coke oven area is ensured;
5) In the accident state of the coke oven, raw gas diffused in the coke oven area is accumulated in the coke oven dust hood and cannot be discharged, so that major potential safety hazards are caused, when a coke oven power supply system works normally, a counter blower is immediately started, a large amount of air is blown into the coke oven dust hood through a vent hole on a fire guide pipe, and the concentration of combustible components is reduced below an explosion limit; if the coke oven power supply system is in a power failure state at this time, the back-up blower is powered by the standby diesel generator to perform forced ventilation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142415.7A CN109054871B (en) | 2018-09-28 | 2018-09-28 | Linkage type fire guiding device of coke oven ascending pipe and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142415.7A CN109054871B (en) | 2018-09-28 | 2018-09-28 | Linkage type fire guiding device of coke oven ascending pipe and working method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109054871A CN109054871A (en) | 2018-12-21 |
| CN109054871B true CN109054871B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811142415.7A Active CN109054871B (en) | 2018-09-28 | 2018-09-28 | Linkage type fire guiding device of coke oven ascending pipe and working method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003261876A (en) * | 2002-03-11 | 2003-09-19 | Jfe Steel Kk | Discharge method for discharging coal gas from rising pipe of coke oven and discharge apparatus therefor |
| CN202953982U (en) * | 2012-11-13 | 2013-05-29 | 中冶焦耐工程技术有限公司 | Coke oven raw gas opening and closing device |
| CN106147803A (en) * | 2016-08-11 | 2016-11-23 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven coking chamber pressure adjusting means and control method |
| CN107699254A (en) * | 2016-08-08 | 2018-02-16 | 中冶宝钢技术服务有限公司 | The maintenance process of coke oven coke oven uprising tube |
| CN108070393A (en) * | 2016-11-17 | 2018-05-25 | 葛霖 | A kind of coke oven coke oven uprising tube diverging flame adjusts burning and its exhaust heat recovering method |
| CN208980639U (en) * | 2018-09-28 | 2019-06-14 | 中冶焦耐(大连)工程技术有限公司 | A kind of coordinated type of coke oven coke oven uprising tube leads fiery device |
-
2018
- 2018-09-28 CN CN201811142415.7A patent/CN109054871B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003261876A (en) * | 2002-03-11 | 2003-09-19 | Jfe Steel Kk | Discharge method for discharging coal gas from rising pipe of coke oven and discharge apparatus therefor |
| CN202953982U (en) * | 2012-11-13 | 2013-05-29 | 中冶焦耐工程技术有限公司 | Coke oven raw gas opening and closing device |
| CN107699254A (en) * | 2016-08-08 | 2018-02-16 | 中冶宝钢技术服务有限公司 | The maintenance process of coke oven coke oven uprising tube |
| CN106147803A (en) * | 2016-08-11 | 2016-11-23 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven coking chamber pressure adjusting means and control method |
| CN108070393A (en) * | 2016-11-17 | 2018-05-25 | 葛霖 | A kind of coke oven coke oven uprising tube diverging flame adjusts burning and its exhaust heat recovering method |
| CN208980639U (en) * | 2018-09-28 | 2019-06-14 | 中冶焦耐(大连)工程技术有限公司 | A kind of coordinated type of coke oven coke oven uprising tube leads fiery device |
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| CN109054871A (en) | 2018-12-21 |
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