CN103540326A - Seal and insulation of temperature measuring small furnace lid of vertical flame path of coke oven - Google Patents
Seal and insulation of temperature measuring small furnace lid of vertical flame path of coke oven Download PDFInfo
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- CN103540326A CN103540326A CN201310527965.1A CN201310527965A CN103540326A CN 103540326 A CN103540326 A CN 103540326A CN 201310527965 A CN201310527965 A CN 201310527965A CN 103540326 A CN103540326 A CN 103540326A
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- small furnace
- irony
- furnace cover
- coke oven
- furnace lid
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Abstract
The invention relates to seal and insulation of a temperature measuring small furnace lid of a vertical flame path of a coke oven, wherein sealing and insulating measures are adopted in the lower layer of an iron small furnace lid when the temperature of a nose bridge at the bottom of the vertical flame path of the combustion chamber of the coke oven is measured in an online manner so as to prevent from separating out coal tar by encountering cold at the iron small furnace lid to pollute an optical lens of an infrared temperature measuring probe installed on the iron small furnace lid when tar gas-containing furnace gases continuously rise to escape from a gap between the iron small furnace lid and an iron small furnace ring.
Description
Technical field
The present invention relates to: during the bridge of the nose brick temperature of on-line measurement coke oven combustion chamber flue bottom, prevent from being contained in the pollution that optics temperature probe on irony small furnace cover is subject to the tar gas in upstream in stove, and affect temperature survey, belong to the industrial automation of optics thermometric and coke oven temperature measurement on-line.
Background technology
, at the beginning of 2006, there is a kind of new mode of online infrared measurement of temperature that is conducive to coke oven thermal control and energy-saving and emission-reduction in the temperature survey of coke oven combustion chamber.
The optic probe of online infrared thermometer is installed on the small furnace cover of flue mouth, aims at the bridge of the nose brick thermometric of flue bottom.
Circular irony small furnace cover is embedded in the irony port circle of flue mouth circle and lays, and the combination gap of the two is not complete hermetic seal, and therefore, furnace gas can rise, and by gap, leaks.
The small furnace cover of irony is heat conduction and heat radiation, and the heat retaining property of its isolated stove internal and external temperature is good not.When upstream touches the lower small furnace cover of temperature in stove, can meet cold analysis at the lower surface of small furnace cover and go out coal tar, pollute optics thermometric camera lens.
In order to prevent that the optical lens of infrared temperature probe from being polluted by tar gas, normally camera lens is provided the clean protection of nitrogen purging.
The deficiencies in the prior art and shortcoming:
Be arranged on more than one of thermometric optic probe on the small furnace cover of standard quirk of the upper coke side in coke oven top and pusher side, from source of the gas, take over gas main, must divide multiple branch circuit to provide gaseous purge stream to each probe, technically, be difficult to guarantee that the air flow energy of each branch road maintains required enough pressure and flow all the time, away from the optic probe of source of the gas, be more easily subject to the pollution of tar gas, produce larger measuring error.On coke oven high temperature boiler face in the open, because expanding with heat and contract with cold phenomenon, thinner nitrogen purging divides segmental bronchus, can there is the phenomenon of booster and Joint's falling off, become the passage that leaks of new gas stream in the stove, thermometric camera lens is more easily contaminated, and the consumption of nitrogen is large, and some coke oven can not ceaselessly provide nitrogen for 24 hours.
Summary of the invention
Task of the present invention is to provide the new solution that a kind of optical lens that prevents infrared temperature probe is polluted by tar gas.
The feature of the technical solution used in the present invention is:
A) increase irony small furnace cover and irony port circle in conjunction with the sealing property in gap, stop the rising of furnace gas to leak;
B) increase the heat-insulating property of irony small furnace cover, improve the temperature of irony small furnace cover lower surface, prevent that furnace gas from going out coal tar in the cold analysis of irony small furnace cover lower surface chance.
Accompanying drawing explanation
Accompanying drawing 1: the schematic diagram that is arranged on the small furnace cover with sealing and insulation effect in the young stove circle of coke oven vertical flame path.
In figure, 1-irony port circle; 2-irony small furnace cover; 3-high-temperature-resistant thermal-insulation felt; 4-bolster; 5-installation screw; 6-punching pipe; 7-high-temperature flexible lagging material; 8-infrared temperature probe.
Embodiment
As shown in drawings, in the present embodiment, the irony small furnace cover 2 that infrared temperature probe 8 is housed is embedded in the irony port circle 1 of flue mouth.
Screw 5 is installed through punching pipe 6, by bolster 4 be fixed on irony small furnace cover 2 below, the high-temperature-resistant thermal-insulation felt 3 in the middle of making, not by overcompaction, keeps the performance of resilient seal.
High-temperature-resistant thermal-insulation felt 3, adopts working temperature can reach the flexible industrial felt seal washer of 500 ° of C, and its external diameter is greater than the internal diameter of irony port circle 1, can be extruded and fill in irony port circle 1, plays the sealing function that stops gas stream in the stove to rise and leak.
In the middle of high-temperature-resistant thermal-insulation felt 3 and irony small furnace cover 2, fill high-temperature flexible lagging material 7, play the dual function of sealing and insulation.
Owing to having taked abovementioned technology, the passage that furnace gas under irony small furnace cover 2 is leaked without rising, keep relatively static and higher temperature, can not separate out the optical lens that coal tar pollutes infrared temperature probe 8, to improve long-term accuracy and the stability of online infrared measurement of temperature.
Technical scheme of the present invention, can make coke oven furnace gas not leak; And save a large amount of purging nitrogen, play the double environmental protection effect of energy-saving and emission-reduction.
Claims (3)
1., during for on-line measurement coke oven combustion chamber flue bottom bridge of the nose brick temperature, prevent the technical scheme of tar gas pollution optics thermometric camera lens in stove; Described technical scheme, comprises two aspects: blocking-up furnace gas rises and leaks; Prevent that furnace gas is cold in the lower surface chance of irony small furnace cover, separate out coal tar, pollute the optical lens of infrared temperature probe.
2. technical scheme according to claim 1, the feature of its embodiment is: high-temperature-resistant thermal-insulation felt is installed by the lower floor at irony small furnace cover, for sealing the gap of irony small furnace cover and the combination of irony port circle, blocking-up furnace gas rises and leaks, and it is cold that furnace gas can not met below irony small furnace cover, separate out coal tar, pollute the optical lens of infrared temperature probe.
3. technical scheme according to claim 1, its concrete functional character is: in irony small furnace cover, have thermal insulation layer, reduce heat conduction and the heat dispersion of irony small furnace cover, improve the temperature of irony small furnace cover lower surface, make furnace gas can not meet cold analysis at the lower surface of irony small furnace cover and go out coal tar, pollute the optical lens of infrared temperature probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527965.1A CN103540326A (en) | 2013-10-31 | 2013-10-31 | Seal and insulation of temperature measuring small furnace lid of vertical flame path of coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527965.1A CN103540326A (en) | 2013-10-31 | 2013-10-31 | Seal and insulation of temperature measuring small furnace lid of vertical flame path of coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103540326A true CN103540326A (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310527965.1A Pending CN103540326A (en) | 2013-10-31 | 2013-10-31 | Seal and insulation of temperature measuring small furnace lid of vertical flame path of coke oven |
Country Status (1)
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| CN (1) | CN103540326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868599A (en) * | 2014-02-22 | 2014-06-18 | 袁国炳 | Installing device for aiming and positioning infrared thermometric optical probe on small furnace cover |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277404Y (en) * | 1997-01-09 | 1998-04-01 | 张建平 | Energy-saving light lid of coke oven |
| EP1533357A1 (en) * | 2002-06-13 | 2005-05-25 | Yamasaki Industries Co. Ltd. | Coke carbonization furnace cover for promoting increase in temperature of coal particles near the cover |
| CN1869156A (en) * | 2006-05-23 | 2006-11-29 | 沈阳君城电子有限公司 | Coke oven temperature continuous measuring device and method |
| CN102517043A (en) * | 2011-11-12 | 2012-06-27 | 太原煤气化股份有限公司 | Method for heating and controlling temperature of coke oven |
| CN102538975A (en) * | 2012-01-18 | 2012-07-04 | 北京市科海龙华工业自动化仪器有限公司 | Wireless coke oven top vertical flue observation hole on-line real-time monitoring device |
| CN203247225U (en) * | 2013-04-28 | 2013-10-23 | 南京沪友冶金机械制造有限公司 | Observation hole cover |
-
2013
- 2013-10-31 CN CN201310527965.1A patent/CN103540326A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277404Y (en) * | 1997-01-09 | 1998-04-01 | 张建平 | Energy-saving light lid of coke oven |
| EP1533357A1 (en) * | 2002-06-13 | 2005-05-25 | Yamasaki Industries Co. Ltd. | Coke carbonization furnace cover for promoting increase in temperature of coal particles near the cover |
| CN1869156A (en) * | 2006-05-23 | 2006-11-29 | 沈阳君城电子有限公司 | Coke oven temperature continuous measuring device and method |
| CN102517043A (en) * | 2011-11-12 | 2012-06-27 | 太原煤气化股份有限公司 | Method for heating and controlling temperature of coke oven |
| CN102538975A (en) * | 2012-01-18 | 2012-07-04 | 北京市科海龙华工业自动化仪器有限公司 | Wireless coke oven top vertical flue observation hole on-line real-time monitoring device |
| CN203247225U (en) * | 2013-04-28 | 2013-10-23 | 南京沪友冶金机械制造有限公司 | Observation hole cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868599A (en) * | 2014-02-22 | 2014-06-18 | 袁国炳 | Installing device for aiming and positioning infrared thermometric optical probe on small furnace cover |
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Application publication date: 20140129 |
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| RJ01 | Rejection of invention patent application after publication |