CN109054870B - Fire guiding device of coke oven ascending pipe and working method thereof - Google Patents
Fire guiding device of coke oven ascending pipe and working method thereof Download PDFInfo
- Publication number
- CN109054870B CN109054870B CN201811140797.XA CN201811140797A CN109054870B CN 109054870 B CN109054870 B CN 109054870B CN 201811140797 A CN201811140797 A CN 201811140797A CN 109054870 B CN109054870 B CN 109054870B
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- CN
- China
- Prior art keywords
- coke oven
- fire
- cover
- pipe
- dust hood
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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 fire guiding device of a coke oven ascending pipe and a working method thereof, wherein the top outlet of the ascending pipe is positioned below a coke oven dust hood and is provided with a water sealing cover, and the water sealing cover is driven by a water sealing cover executing mechanism to realize opening and closing; the fire guiding device consists of a fire guiding pipe, a fire guiding pipe cover and a fire guiding pipe cover executing mechanism, 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 and is provided with the fire guiding pipe cover, and the fire guiding pipe cover is driven by the fire guiding pipe cover executing mechanism to realize opening and closing. The invention can avoid the flame roasting coke oven dust hood generated by the combustion of raw gas in the rising pipe, and guide high-temperature smoke dust dissipated by the rising pipe under an accident state out of the coke oven dust hood, 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 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 fire guiding device of a coke oven riser and a working method thereof, which can avoid a flame roasting coke oven dust hood generated by the combustion of raw gas in the riser, and guide high-temperature smoke dust dissipated by the riser 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.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the coke oven ascending pipe consists of an 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 a water seal cover, and the water seal cover is driven by the water seal cover executing mechanism to realize opening and closing; the fire guiding device consists of a fire guiding pipe, a fire guiding pipe cover and a fire guiding pipe cover executing mechanism, 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 and is provided with the fire guiding pipe cover, and the fire guiding pipe cover is driven by the fire guiding pipe cover executing mechanism to realize opening and closing.
The water seal cover is provided with a water seal cover counterweight.
The fire guide tube cover is provided with a counterweight.
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.
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 water seal cover actuating mechanism comprises an automatic actuating mechanism and a manual operating mechanism, the fire guide pipe cover actuating mechanism is an automatic actuating mechanism, and 2 automatic actuating mechanisms are all pneumatic, hydraulic or electric actuating mechanisms, have speed regulation and buffering functions and are controlled in an interlocking manner with the coke oven control system.
The working method of the fire guiding device of the coke oven riser comprises the following steps:
1) When the coke oven is in normal production, under the control of the coke oven control system, the water sealing cover and the fire guide pipe cover are driven by the corresponding executing mechanisms to be opened simultaneously until coke is pushed out, and smoke dust generated after the raw gas is combusted is guided 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 controls the water seal cover to be opened and closed, and the fire guide pipe cover is opened under the action of the counterweight of the fire guide pipe cover;
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 fire guide pipe cover is controlled by the fire guide pipe cover executing mechanism or is opened under the action of the counterweight, 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 gathered in the coke oven area and cannot be discharged, so that great 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, 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.
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 fire guiding device for a coke oven riser (a water seal cover and a fire guiding tube cover are both in an open state).
Fig. 2 is a schematic structural view of a fire guiding device of a coke oven riser (both a water seal cover and a fire guiding tube cover are in a closed state) according to the present invention.
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 fire guide pipe cover 7, the fire guide pipe cover actuating mechanism 8, the counterweight 9 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 coke oven ascending pipe of the invention consists of 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 fire-guiding device consists of a fire-guiding pipe 5, a fire-guiding pipe cover 6 and a fire-guiding pipe cover executing mechanism 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 and is provided with the fire-guiding pipe cover 6, and the fire-guiding pipe cover 6 is driven by the fire-guiding pipe cover executing mechanism 7 to realize opening and closing.
The water seal cover 3 is provided with a water seal cover counterweight.
The fire guide tube cover 6 is provided with a counterweight 8.
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.
The bottom of the fire guide pipe 5 is provided with a collecting opening 9, and the shape of the collecting opening 9 is conical or trumpet-shaped expanding downwards.
The water seal cover actuating mechanism 4 comprises an automatic actuating mechanism and a manual operating mechanism, the fire guide pipe cover actuating mechanism 7 is an automatic actuating mechanism, and 2 automatic actuating mechanisms are all pneumatic, hydraulic or electric actuating mechanisms, have speed regulation and buffering functions and are controlled in an interlocking manner with the coke oven control system.
The working method of the fire guiding device of the coke oven riser 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 fire guide pipe cover 6 are driven by corresponding execution mechanisms to be opened simultaneously until coke pushing is performed at the end of coking, and smoke dust generated after raw gas is combusted is guided 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 water seal cover 3 is controlled to be opened and closed through the manual operation mechanism, and the fire guide pipe cover 6 is opened under the action of the counterweight 8;
3) In the coke oven accident state, the internal pressure of the gas collecting system rises to forcedly open the water seal cover 3, and the fire guide pipe cover 6 is controlled by the fire guide pipe cover executing mechanism 7 or is opened under the action of the counterweight 8, 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 gathered in the coke oven area and cannot be discharged, so that great potential safety hazard is 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 1 through a vent hole, 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 9 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 not to influence the normal opening and closing of the water seal cover 3.
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 coke oven ascending pipe consists of an 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 a water seal cover, and the water seal cover is driven by the water seal cover executing mechanism to realize opening and closing; the device is characterized in that the fire guiding device consists of a fire guiding pipe, a fire guiding pipe cover and a fire guiding pipe cover executing mechanism, 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 and is provided with the fire guiding pipe cover, and the fire guiding pipe cover is driven by the fire guiding pipe cover executing mechanism to realize opening and closing.
2. The coke oven riser fireguide of claim 1 wherein the water seal cover is provided with a water seal cover weight.
3. The apparatus according to claim 1, wherein said cover is provided with a counterweight.
4. The fireguide device of a coke oven riser tube according to claim 1, wherein the fireguide 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.
5. The device for igniting a coke oven riser of claim 1 or 4, wherein the inner wall of the ignition tube is provided with a refractory layer.
6. The device for guiding a coke oven riser tube according to claim 1 or 4, wherein the bottom of the tube is provided with a collecting opening, and the collecting opening is conical or trumpet-shaped and expands downwards.
7. The device for guiding the fire of the coke oven riser tube according to claim 1, wherein the water seal cover actuating mechanism comprises an automatic actuating mechanism and a manual operating mechanism, the fire guide tube cover actuating mechanism is an automatic actuating mechanism, and 2 automatic actuating mechanisms are all pneumatic, hydraulic or electric actuating mechanisms, have speed regulation and buffering functions and are controlled in an interlocking manner with a coke oven control system.
8. A method of operating a fireguide apparatus for a coke oven riser tube 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 sealing cover and the fire guide pipe cover are driven by the corresponding executing mechanisms to be opened simultaneously until coke is pushed out, and smoke dust generated after the raw gas is combusted is guided 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 controls the water seal cover to be opened and closed, and the fire guide pipe cover is opened under the action of the counterweight of the fire guide pipe cover;
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 fire guide pipe cover is controlled by the fire guide pipe cover executing mechanism or is opened under the action of the counterweight, 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 gathered in the coke oven area and cannot be discharged, so that great 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, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140797.XA CN109054870B (en) | 2018-09-28 | 2018-09-28 | Fire guiding device of coke oven ascending pipe and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140797.XA CN109054870B (en) | 2018-09-28 | 2018-09-28 | Fire guiding device of coke oven ascending pipe and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109054870A CN109054870A (en) | 2018-12-21 |
| CN109054870B true CN109054870B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811140797.XA Active CN109054870B (en) | 2018-09-28 | 2018-09-28 | Fire guiding device of coke oven ascending pipe and working method thereof |
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| CN205223099U (en) * | 2015-12-02 | 2016-05-11 | 中冶焦耐工程技术有限公司 | Mechanism that opens and shuts is covered in water seal of splashproof liquid tedge |
| CN206386965U (en) * | 2017-01-05 | 2017-08-08 | 河北中煤旭阳焦化有限公司 | A kind of automatic ignition device for coke oven coke oven uprising tube |
| CN107586548A (en) * | 2017-10-18 | 2018-01-16 | 南京沪友冶金机械制造有限公司 | A kind of associated detecting method of coke oven lid working condition |
| CN208980638U (en) * | 2018-09-28 | 2019-06-14 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven coke oven uprising tube leads fiery device |
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| JPH07118652A (en) * | 1993-10-27 | 1995-05-09 | Nippon Steel Corp | Method for preventing ascension pipe of coke oven from dusting |
| CN1132235A (en) * | 1994-09-20 | 1996-10-02 | 卡通·科恩机械股份公司 | Method and apparatus for elimination of charging gases that form during coat charging of coke oven batteries |
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| CN204589218U (en) * | 2015-04-01 | 2015-08-26 | 新兴河北工程技术有限公司 | A kind of movable dust removal cover of blast furnace iron notch |
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| CN107586548A (en) * | 2017-10-18 | 2018-01-16 | 南京沪友冶金机械制造有限公司 | A kind of associated detecting method of coke oven lid working condition |
| CN208980638U (en) * | 2018-09-28 | 2019-06-14 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven coke oven uprising tube leads fiery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109054870A (en) | 2018-12-21 |
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Inventor after: Zhang Kuishuang Inventor after: Li Zhenguo Inventor after: Yuan Chaohui Inventor after: Yang Junfeng Inventor after: Liu Baocheng Inventor after: Xiao Zhenghao Inventor before: Zhang Kuishuang Inventor before: Li Zhenguo Inventor before: Yuan Chaohui Inventor before: Yang Junfeng Inventor before: Liu Baocheng Inventor before: Xiao Zhenghao Inventor before: Zhao Guofeng |
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