CN115125012A - Reversing device and reversing method for VOCs waste gas entering reheating coke oven combustion - Google Patents
Reversing device and reversing method for VOCs waste gas entering reheating coke oven combustion Download PDFInfo
- Publication number
- CN115125012A CN115125012A CN202210896032.9A CN202210896032A CN115125012A CN 115125012 A CN115125012 A CN 115125012A CN 202210896032 A CN202210896032 A CN 202210896032A CN 115125012 A CN115125012 A CN 115125012A
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- Prior art keywords
- waste gas
- coke oven
- reversing
- rotating shaft
- vocs
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- 239000002912 waste gas Substances 0.000 title claims abstract description 101
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 40
- 239000000571 coke Substances 0.000 title claims abstract description 39
- 238000003303 reheating Methods 0.000 title claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 241001504664 Crossocheilus latius Species 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- 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
- C10B21/00—Heating of coke ovens with combustible gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a reversing device and a reversing method for combustion of VOCs waste gas in a reheating coke oven, and belongs to the technical field of reversing devices. The device comprises a VOCs waste gas pipe communicated with a waste gas disc of a complex heat type coke oven, a rotating shaft arranged on the complex heat type coke oven, a sector wheel connected with the rotating shaft, and a lifting rod used for controlling the lifting of a waste gas weight in the waste gas disc; the sector wheel is connected with the lifting rod through a zipper; the rotating shaft controls the lifting of an air door cover plate on the compound heat type coke oven through a connecting rod; the rotating shaft is provided with a pull rod for controlling the rotating shaft to rotate; the reversing device is used for a reheating coke oven for stopping a blast furnace gas system. The invention realizes the waste gas reversing function by utilizing the pull rod, the zipper on the fan-shaped wheel, the lifting rod and the waste gas weight in the waste gas disc of the original blast furnace gas reversing system, so that the VOCs waste gas is matched into the waste gas disc, the pulling force of the lifting rod is not increased, and the structure of the waste gas disc is not damaged.
Description
Technical Field
The invention relates to the technical field of reversing devices, in particular to a reversing device and a reversing method for VOCs waste gas entering reheating coke oven combustion.
Background
VOCs waste gas enters a coke oven to be combusted, the VOCs waste gas firstly enters a coke oven waste gas disc, the VOCs waste gas is mixed with air sucked by the waste gas disc and then enters the coke oven to be combusted, and the waste gas disc needs to be reversed once every 20-30 minutes (air inlet/flue gas outlet), so that the waste gas and the waste gas disc which are distributed by people need to be reversed uniformly.
The reversing technology of the gas waste gas tray of the reheating coke oven is that a reversing function is realized through a reversing pull rod, a fan-shaped wheel, a zipper and a gas/waste gas block, when air is fed, the waste gas block falls, a gas gyroscope is lifted, an air door is opened, gas and air enter the coke oven, when smoke is discharged, the waste gas block is lifted, the gas gyroscope falls, the air door is closed, and the smoke enters a flue through the waste gas tray. When the gas heating system of the reheating type coke oven blast furnace is stopped, the gas gyroscope is out of action and is in a normally falling state. Waste gas dish is joined in marriage to present VOCs waste gas, adopts the mode at waste gas dish side trompil usually, joins in VOCs waste gas, and this mode has certain destruction to the waste gas dish, can occupy the space between the waste gas dish simultaneously, has adverse effect to the maintenance in coke oven later stage.
Disclosure of Invention
In view of the above, in order to solve the technical problem how to distribute the VOCs waste gas into the waste gas tray when the blast furnace gas heating system of the reheating type coke furnace is stopped, the invention provides a reversing device for the VOCs waste gas to enter the reheating type coke furnace for combustion.
In order to achieve the purpose, the invention provides the following technical scheme:
a reversing device for VOCs waste gas to enter a reheating coke oven to combust is characterized by comprising a VOCs waste gas pipe communicated with a waste gas disc of the reheating coke oven, a rotating shaft arranged on the reheating coke oven, a fan-shaped wheel connected with the rotating shaft, and a lifting rod used for controlling the lifting of a waste gas weight in the waste gas disc;
the fan-shaped wheel is connected with the lifting rod through a zipper;
the rotating shaft controls the lifting of an air door cover plate on the compound heat type coke oven through a connecting rod;
a reversing pull rod for controlling the rotation of the rotating shaft is arranged on the rotating shaft;
the reversing device is used for a recuperative coke oven for stopping a blast furnace gas system.
The invention also provides a reversing method of the reversing device for the VOCs waste gas to enter the reheating coke oven for combustion, which comprises the following steps:
when the air door cover plate is opened, the waste gas lead is lifted, VOCs waste gas enters the waste gas tray through the VOCs waste gas pipe, and when the air door cover plate is closed, the waste gas lead falls down and VOCs waste gas stops entering.
Compared with the prior art, the invention has the following beneficial effects:
1. the reversing device for VOCs waste gas to enter the reheating coke oven to burn utilizes the reversing pull rod, the rotating shaft, the sector wheel and the zipper of the original blast furnace gas reversing system to realize the reversing function of the waste gas, so that the VOCs waste gas is distributed into the waste gas disc, the pulling force of the lifting rod is not increased, and the structure of the waste gas disc is not damaged.
2. The reversing method of the reversing device for VOCs waste gas to enter the reheating coke oven to combust comprises the steps that the reversing pull rod drives the rotating shaft to rotate, the rotating shaft rotates to drive the fan-shaped wheel on the rotating shaft to rotate, the fan-shaped wheel rotates to drive the zipper on the rotating shaft to pull the lifting rod to lift the waste gas, the rotating shaft drives the connecting rod on the rotating shaft to drive the lifting rod to lift the air door cover plate to open and close the air door, and therefore VOCs waste gas enters the waste gas disc from the VOCs waste gas pipe and is mixed with air entering from the air door.
Drawings
FIG. 1 is a schematic structural view of the present invention applied to a reheat coke oven for a system for deactivating blast furnace gas;
in the figure, 1, a VOCs waste gas pipe, 2, a damper cover plate, 3, a lifting rod, 4, a waste gas disc, 5, a waste gas roller, 6, a fan-shaped wheel, 7, a zipper, 8, a rotating shaft and 9, a connecting rod are arranged.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the invention provides a reversing device for combustion of a VOCs waste gas in a recuperative coke oven, which is characterized by comprising a VOCs waste gas pipe 1 communicated with a waste gas disc 4 of the recuperative coke oven, a rotating shaft 8 arranged on the recuperative coke oven, a sector wheel 6 connected with the rotating shaft 8, and a lifting rod 3 used for controlling the lifting of a waste gas weight 5 in the waste gas disc 4;
the sector wheel 6 is connected with the lifting rod 3 through a zipper 7;
the rotating shaft 8 controls the lifting of the air door cover plate 2 on the compound heat type coke oven through a connecting rod 9;
a reversing pull rod (not shown in the figure) for controlling the rotation of the rotating shaft 8 is arranged on the rotating shaft 8;
the reversing device is used for a recuperative coke oven for stopping a blast furnace gas system.
In the invention, the rotating shaft 8 is connected with the air door cover plate 2 through the connecting rod 9, and the rotation of the rotating shaft 8 drives the air door cover plate 2 to lift, thereby realizing the opening and closing of the air door.
In the invention, the VOCs waste gas pipe 1 can be selectively communicated with the waste gas disc 4 through bolts, so that the connection tightness is ensured, and the VOCs waste gas is prevented from overflowing;
the connection mode of the lifting rod 3, the waste gas weight 5 and the zipper 7 is preferably detachable connection, and the detachable connection mode can be a conventional detachable connection mode selected according to actual needs.
On the basis of not changing the structure of the original waste gas disc, the invention only needs to dismantle the coal gas lump on the waste gas disc and connect the lifting rod 3 with the waste gas lump 5 in the waste gas disc 4, and realizes the reversing (the VOCs waste gas enters the waste gas disc) on the premise of not increasing the pulling force of the lifting rod 3 and not damaging the structure of the waste gas disc 4.
In the reheat coke oven, fan-shaped wheel 6 is installed on rotation axis 8, install zip fastener 7 on the fan-shaped wheel 6 zip fastener 7 links to each other with shadoof 3, shadoof 3 links to each other with waste gas stone roller 5, when driving rotation axis 8 through the pull rod and rotating, rotation axis 8 drives fan-shaped wheel 6 rotatory, the rotatory lift that drives zip fastener 7 and shadoof 3 of fan-shaped wheel 6, and then realize opening and close of waste gas stone roller 5, drive the pull rod lift on it when rotation axis 8 rotates, and then drive the lift of air door apron 2, realize opening and close of air door.
The invention also provides a reversing method of the reversing device for the VOCs waste gas to enter the reheating coke oven for combustion, which comprises the following steps:
when the air door 2 is opened, the waste gas lead 5 is lifted (the rotary shaft 8 is driven to rotate by the reversing pull rod, the fan-shaped wheel 6 is driven to rotate by the rotary shaft 8, the lifting rod 3 is driven to ascend by the zipper 7, the waste gas lead 5 is lifted, when the rotary shaft 8 rotates, the connecting rod 9 ascends to drive the air door cover plate 2 to ascend, so that the opening of the air door is realized), VOCs waste gas enters the waste gas disc 4 through the VOCs waste gas pipe 1, when the waste gas disc 4 is closed, the waste gas lead 5 falls (the rotary shaft 8 is driven to rotate by the reversing pull rod, the rotary shaft 8 rotates to drive the fan-shaped wheel 6 to rotate, the lifting rod 3 falls, the waste gas lead 5 falls, when the rotary shaft 8 rotates, the connecting rod 9 falls to drive the air door cover plate 2 to fall, so that the closing of the air door is realized), and the entry of the VOCs waste gas stops.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (2)
1. A reversing device for VOCs waste gas to enter a reheating coke oven to combust is characterized by comprising a VOCs waste gas pipe communicated with a waste gas disc of the reheating coke oven, a rotating shaft arranged on the reheating coke oven, a fan-shaped wheel connected with the rotating shaft, and a lifting rod used for controlling the lifting of a waste gas weight in the waste gas disc;
the fan-shaped wheel is connected with the lifting rod through a zipper;
the rotating shaft controls the lifting of an air door cover plate on the compound heat type coke oven through a connecting rod;
a reversing pull rod for controlling the rotation of the rotating shaft is arranged on the rotating shaft;
the reversing device is used for a recuperative coke oven for stopping a blast furnace gas system.
2. The reversing method of the reversing device for the combustion of the VOCs waste gas in the reheating coke oven according to claim 1, characterized by comprising the following steps:
when the air door cover plate is opened, the waste gas lead is lifted, VOCs waste gas enters the waste gas tray through the VOCs waste gas pipe, and when the air door cover plate is closed, the waste gas lead falls down and VOCs waste gas stops entering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210896032.9A CN115125012A (en) | 2022-07-27 | 2022-07-27 | Reversing device and reversing method for VOCs waste gas entering reheating coke oven combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210896032.9A CN115125012A (en) | 2022-07-27 | 2022-07-27 | Reversing device and reversing method for VOCs waste gas entering reheating coke oven combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115125012A true CN115125012A (en) | 2022-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210896032.9A Pending CN115125012A (en) | 2022-07-27 | 2022-07-27 | Reversing device and reversing method for VOCs waste gas entering reheating coke oven combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115125012A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216165U (en) * | 1987-12-07 | 1988-09-21 | 冶金工业部鞍山焦化耐火材料设计研究院 | Thallium type twin-waste gas exchange shutter |
| KR20060072193A (en) * | 2004-12-22 | 2006-06-28 | 주식회사 포스코 | Apparatus for supporting and guiding a gall chain for a reversing winch of coke oven facilities |
| CN200974824Y (en) * | 2006-12-08 | 2007-11-14 | 中冶焦耐工程技术有限公司 | Coke oven exhaust gas interchanged shutter |
| CN104498056A (en) * | 2014-12-19 | 2015-04-08 | 赛鼎工程有限公司 | Binary exchanging shutter of complex thermal coke oven |
| CN112280569A (en) * | 2020-11-18 | 2021-01-29 | 北京天中方环保科技有限公司 | Waste gas coke oven feeding system and reversing device thereof |
-
2022
- 2022-07-27 CN CN202210896032.9A patent/CN115125012A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216165U (en) * | 1987-12-07 | 1988-09-21 | 冶金工业部鞍山焦化耐火材料设计研究院 | Thallium type twin-waste gas exchange shutter |
| KR20060072193A (en) * | 2004-12-22 | 2006-06-28 | 주식회사 포스코 | Apparatus for supporting and guiding a gall chain for a reversing winch of coke oven facilities |
| CN200974824Y (en) * | 2006-12-08 | 2007-11-14 | 中冶焦耐工程技术有限公司 | Coke oven exhaust gas interchanged shutter |
| CN104498056A (en) * | 2014-12-19 | 2015-04-08 | 赛鼎工程有限公司 | Binary exchanging shutter of complex thermal coke oven |
| CN112280569A (en) * | 2020-11-18 | 2021-01-29 | 北京天中方环保科技有限公司 | Waste gas coke oven feeding system and reversing device thereof |
Non-Patent Citations (2)
| Title |
|---|
| 尹庆军;: "砣式双体交换开闭器故障分析与对策", 河南科技, no. 10, pages 52 - 53 * |
| 郭治等: "《焦化操作技术解疑》", 31 August 1999, 河北科学技术出版社, pages: 44 * |
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