CN100430703C - High furnace infrared thermoviewer protecting device - Google Patents
High furnace infrared thermoviewer protecting device Download PDFInfo
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- CN100430703C CN100430703C CNB2005100241117A CN200510024111A CN100430703C CN 100430703 C CN100430703 C CN 100430703C CN B2005100241117 A CNB2005100241117 A CN B2005100241117A CN 200510024111 A CN200510024111 A CN 200510024111A CN 100430703 C CN100430703 C CN 100430703C
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Abstract
The present invention relates to a protecting device for a high furnace infrared thermoviewer, which comprises a driving and reversing device for the thermoviewer, an electric spherical valve sealing device, an air current protecting device and a straight plate valve cleaning device, wherein the driving and reversing device for the thermoviewer comprises a thermoviewer probe, an electric rotary device and a probe driving and reversing device; the electric spherical valve sealing device comprises an electric spherical valve, a sealing sheath, an automatic clamping device and a positioning switch; the air current protecting device comprises a transition sheath and a cooling gas inlet; the straight plate valve cleaning device comprises a sweeping shielding straight plate valve and a viewing window. The protecting device for a high furnace infrared thermoviewer, which is provided by the present invention, can reverse the thermoviewer probe under the condition of the regular production of a high furnace to overhaul and maintain equipment, such as thermoviewers, etc. and has the advantages of automatic cleaning function for the viewing window, high dustproof ability for the viewing window and long-term effective operation for the high furnace infrared thermoviewer.
Description
Technical field
The present invention relates to a kind of high furnace infrared thermoviewer protecting device.
Background technology
At present, infrared thermal imaging technique is quite ripe, and the field of using is also very extensive.Because the singularity of the environment of blast furnace process,, very high requirement has just been proposed for the guard technology of blast furnace thermal infrared imager as high pressure, high temperature, high dust, totally-enclosed etc.Blast furnace thermal infrared imager equipment in use is used for material top surface in top of blast furnace and internal unit are monitored at present.
At present the structure of the high furnace infrared thermoviewer protecting device that uses at home as shown in Figure 1, it mainly comprises from top to bottom successively connection all-in-one-piece thermal imaging system protective cover 101 ', first ring flange 102 ', airtight straight plate valve 103 ', second ring flange 108 ', blocks straight plate valve 104 ' and base plate 105 ' is installed; On described first ring flange 102 ' and second ring flange 108 ', be respectively arranged with and purge pore and purge gas air intake opening 106 '; In described thermal imaging system protective cover thermal imaging system and camera lens are installed, the protective cover front end is provided with a view window (not marking in the drawings), and it is in order to protect thermal imaging system and camera lens on the one hand, is to provide a watch window to thermal imaging system on the other hand.
When the work of this high furnace infrared thermoviewer protecting device, airtight straight plate valve 103 ' and block straight plate valve 104 ' and all open, thermal imaging system is observed to high furnace interior by view window and viewport 107 '.In order to prevent that the dust in the blast furnace is bonded on the view window; and prevent that ore from knocking view window; when needed; to block straight plate valve 104 ' closes and protects view window; go up the purging pore of configuration by first ring flange 102 ' and second ring flange 108 ' simultaneously ' in blast furnace, supply gas; purge the dust on the view window, and locate to form the air-flow that flows in the blast furnace, prevent thermal current and dust erosion view window in the blast furnace at viewport 107 '.
Mainly there is following shortcoming in this high furnace infrared thermoviewer protecting device, makes that thermal infrared imager surveillance effective run time in the blast furnace ordinary production is very short:
1. be used to prevent dust though be provided with two road air-flows before view window, air-flow is the venthole output from the ring flange, and the air-flow skewness is simultaneously because air blast and high dust in the blast furnace still are stained with dust easily on the view window.Find that in actual use a little less than the dirt exclusion capabilities of this high furnace infrared thermoviewer protecting device, the easy laying dust of view window makes view window can't see through Infrared, causes thermal imaging system equipment to lose function for monitoring, influences ordinary production.
2. thermal imaging system protective cover 101 ' adopts fixed installation, only can rely on could clean view window after manually thermal imaging system protective cover 101 ' being unloaded when view window is stained with dust, and both inconvenient, also dangerous, often easy disassembling causes device damage.
Summary of the invention
The object of the present invention is to provide a kind of high furnace infrared thermoviewer protecting device, under blast furnace ordinary production situation, the thermal imaging system probe can be withdrawed from, equipment such as thermal imaging system are carried out repair and maintenance, has the view window function of cleaning automatically, improve the dirt exclusion capabilities of view window, can guarantee the permanently effective operation of blast furnace thermal infrared imager.
For achieving the above object, the invention provides a kind of high furnace infrared thermoviewer protecting device, it comprises the thermal imaging system driving and reversing mechanism, electrical ball valve packoff, wind guard and straight plate valve cleaning device;
Described thermal imaging system driving and reversing mechanism comprises the thermal imaging system probe, electric rotary body and probe driving and reversing mechanism; Described probe driving and reversing mechanism connects the thermal imaging system probe, and described electric rotary body connects the probe driving and reversing mechanism; Described thermal imaging system probe inside is equipped with thermal imaging system and camera lens, and this thermal imaging system probe is an obturator, and portion charges into the gas of dry cleansing within it, guarantees that thermal imaging system and the residing environment of camera lens are clean, can not cause damage to it; Further, the outside of this thermal imaging system probe is provided with a register pin; Described probe driving and reversing mechanism can be popped one's head in thermal imaging system and freely be sent into or withdraw from; When described electric rotary body is sent in place or withdrawed from thermal imaging system probe, it is rotated to the outside safeguard and adjust.
Described electrical ball valve packoff is arranged on the described thermal imaging system probe outside, comprises electrical ball valve, airtight cover, automatic clamping device and positioning switch; The thermal imaging system probe passes electrical ball valve; Automatic clamping device connects described electrical ball valve; Airtight cover and positioning switch are positioned at the thermal imaging system probe outside; This electrical ball valve packoff can be realized the sealing to blast furnace; When thermal imaging system began operate as normal, the thermal imaging system probe passed electrical ball valve the situation in the blast furnace is monitored, and when the thermal imaging system probe need withdraw from, closed electrical ball valve, with the leakproofness of guaranteeing that blast furnace is external, and prevented that effectively harmful gas is excessive; In the process that thermal imaging system probe withdraws from, when being arranged on the position that register pin on the thermal imaging system probe outside arrives positioning switch, and during the triggered location switch, automatic clamping device is opened, and at this moment, the thermal imaging system probe can shift out smoothly; Send in the process of working position at thermal imaging system probe, when the register pin that is arranged on the thermal imaging system probe outside leaves the position of positioning switch, and when discharging positioning switch, automatic clamping device cuts out, and can guarantee between airtight cover and the electrical ball valve airtight fully.
Described wind guard comprises spacer shell and refrigerating gas air intake opening, and described spacer shell is arranged on the thermal imaging system probe outside, and there are certain clearance in itself and thermal imaging system between popping one's head in, and described spacer shell front end is provided with intilted inclined-plane; Described refrigerating gas air intake opening is arranged on the spacer shell, refrigerating gas is sent into by the refrigerating gas air intake opening, by the gap between spacer shell and the thermal imaging system probe, owing to be provided with intilted inclined-plane at the spacer shell front end, so refrigerating gas can form the gas curtain of a taper at the front end of view window, prevent that dust in the blast furnace is to the erosion of view window; Further, the inwall of spacer shell is provided with spiral type flow guide plates, and it can make the taper gas curtain be evenly distributed, and improves the intensity of gas curtain air-flow.
Described straight plate valve cleaning device comprises purging and blocks straight plate valve and view window; Described view window is arranged on the front end of thermal imaging system probe, and this view window is detachable; Described purging blocks the front end that straight plate valve is arranged on view window, and it is one can parallel mobile valve, and this purging blocks the spool that straight plate valve faces view window one side and is provided with some purging pores; When moving this purging and blocking straight plate valve, can have air-flow to blow out with pore from purging automatically, implement the cleaning to view window, when needs, then shut-down purge is blocked straight plate valve, can prevent that ore from knocking view window, and view window is caused damage.
High furnace infrared thermoviewer protecting device provided by the invention has following advantage:
1, is provided with the thermal imaging system probe that freely to advance and retreat, in the production run of blast furnace, also can easily the thermal imaging system probe be withdrawed from, thermal imaging system and relevant device are cleaned and safeguard, can guarantee the permanently effective operation of blast furnace thermal infrared imager surveillance, improve production efficiency.
2, the front end at spacer shell is provided with intilted inclined-plane, cooling draught forms the taper gas curtain at this place, intilted inclined-plane, and by the spiral type flow guide plates that on the spacer shell inwall, is provided with, the taper gas curtain is evenly distributed, improve the intensity of gas curtain air-flow, thereby can reduce the erosion of blast furnace dust view window;
3, can block straight plate valve by parallel mobile purging in the setting of view window front end, can realize automatic cleaning function, effectively improve the dirt exclusion capabilities of view window view window;
4, in the present invention, view window is detachable replacing formula, is convenient to pull down clean or change;
5, adopt electrical ball valve as airtight valve in the present invention, effectively improved airtight performance and reliability blast furnace.
Description of drawings
Fig. 1 is the structural representation of existing high furnace infrared thermoviewer protecting device;
Fig. 2 is the structural representation of high furnace infrared thermoviewer protecting device provided by the invention.
Embodiment
Following according to Fig. 2, a kind of preferred forms of the present invention is described.
As shown in Figure 2, be the structural representation of high furnace infrared thermoviewer protecting device provided by the invention, it comprises the thermal imaging system driving and reversing mechanism, electrical ball valve packoff, wind guard and straight plate valve cleaning device;
Described thermal imaging system driving and reversing mechanism comprises thermal imaging system probe 101, electric rotary body 102 and probe driving and reversing mechanism 103; Described thermal imaging system probe inside is equipped with thermal imaging system and camera lens, and this thermal imaging system probe is an obturator, and portion charges into the gas of dry cleansing within it, guarantees that thermal imaging system and the residing environment of camera lens are clean, can not cause damage to it; Further, the outside of this thermal imaging system probe 101 is provided with a register pin 104; Described probe driving and reversing mechanism 103 can be popped one's head in thermal imaging system and 101 freely be sent into or withdraw from; When described electric rotary body 102 is sent in place or withdrawed from thermal imaging system probe 101, it is rotated to the outside safeguard and adjust.
Described electrical ball valve packoff comprises electrical ball valve 105, airtight cover 106, automatic clamping device 107 and positioning switch 108; This electrical ball valve packoff can be realized the sealing to blast furnace; When thermal imaging system begins operate as normal, the situation that thermal imaging system probe 101 passes in 105 pairs of blast furnaces of electrical ball valve is monitored, and when thermal imaging system probe 101 need withdraw from, closes electrical ball valve 105, with the leakproofness of guaranteeing that blast furnace is external, and prevent that effectively harmful gas is excessive; In thermal imaging system probe 101 processes that withdraw from, arrive the position of positioning switches 108 when being arranged on pop one's head in register pin 104 on 101 outsides of thermal imaging system, and during triggered location switch 108, automatic clamping device 107 is opened, at this moment, thermal imaging system probe 101 can shift out smoothly; Send in the process of working position at thermal imaging system probe 101, pop one's head in register pin on 101 outsides from 104 positions of driving positioning switch 108 when being arranged on thermal imaging system, and when discharging positioning switch, automatic clamping device 107 cuts out, and can guarantee between airtight cover 106 and the electrical ball valve 105 airtight fully.
Described wind guard comprises spacer shell 109 and refrigerating gas air intake opening 110, described spacer shell 109 is arranged on thermal imaging system 101 outsides of popping one's head in, itself and thermal imaging system are popped one's head in and are had certain clearance between 101, and described spacer shell 109 front ends are provided with intilted inclined-plane 1091; Described refrigerating gas air intake opening 110 is arranged on the spacer shell 109, refrigerating gas is sent into by refrigerating gas air intake opening 110, by the gap between spacer shell 109 and the thermal imaging system probe 101, owing to be provided with intilted inclined-plane 1091 at spacer shell 109 front ends, so refrigerating gas can form the gas curtain of a taper herein, can prevent of the erosion of the interior dust of blast furnace to view window; Further, the inwall of spacer shell 109 is provided with spiral type flow guide plates (not illustrating in the drawings), and it can make the taper gas curtain be evenly distributed, and improves the intensity of gas curtain air-flow.
Described straight plate valve cleaning device comprises purging and blocks straight plate valve 112 and view window 111; Described view window 111 is arranged on the front end of thermal imaging system probe 101, and this view window 111 is detachable; Described purging blocks the front end that straight plate valve 112 is arranged on view window 111, it is one can parallel mobile valve, and this purging blocks spool that straight plate valve 112 faces view window one side and is provided with some purgings with pore (annotate: what marked in the Figure of description 1121 is purge gas air intake openings); When moving this purging and blocking straight plate valve 112, can have air-flow to blow out with pore from purging automatically, implement the cleaning to view window 111, when needs, then shut-down purge is blocked straight plate valve 112, can prevent that ore from knocking view window 111, causes damage to view window 111.
High furnace infrared thermoviewer protecting device provided by the invention has following advantage:
1, be provided with the thermal imaging system probe 101 that can freely advance and retreat, in the production process of blast furnace, also can be square Just thermal imaging system probe 101 is withdrawed from, thermal imaging system and relevant device are cleaned and safeguard, can guarantee The permanently effective operation of blast furnace thermal infrared imager surveillance has improved production efficiency.
2, the front end at spacer shell 109 is provided with intilted inclined-plane 1091, cooling blast this to 1091 places, inclined-plane of interior inclination form the taper gas curtain, and the spiral shell by arranging at spacer shell 109 inwalls Rotating deflector is evenly distributed the taper gas curtain, improves the intensity of gas curtain air-flow, thereby can reduce blast furnace Dust is to the erosion of observation window 111;
3, but the purging at observation window 111 front end setting parallels blocks straight plate valve 112, and it is right to realize The automatic cleaning function of observation window 111, Effective Raise the dirt exclusion capabilities of observation window 111;
4, in the present invention, observation window 111 is detachable changeable type, is convenient to pull down clean or change;
5, adopt in the present invention electrical ball valve 105 as airtight valve, Effective Raise airtight to blast furnace Performance And Reliability.
Claims (6)
1. high furnace infrared thermoviewer protecting device, it comprises the thermal imaging system driving and reversing mechanism, the electrical ball valve packoff, wind guard and straight plate valve cleaning device are characterised in that,
Described thermal imaging system driving and reversing mechanism comprises thermal imaging system probe (101), electric rotary body (102) and probe driving and reversing mechanism (103); Described probe driving and reversing mechanism (103) connects described thermal imaging system probe (101), and described electric rotary body (102) connects described probe driving and reversing mechanism (103); Described thermal imaging system probe inside is equipped with thermal imaging system and camera lens;
Described electrical ball valve packoff seals blast furnace, and this electrical ball valve packoff is arranged on described thermal imaging system probe (101) outside, and it comprises electrical ball valve (105), airtight cover (106), automatic clamping device (107) and positioning switch (108); Thermal imaging system probe (101) passes electrical ball valve (105); Automatic clamping device (107) connects described electrical ball valve (105); Airtight cover (106) and positioning switch (108) are positioned at thermal imaging system probe (101) outside;
Described wind guard comprises spacer shell (109) and refrigerating gas air intake opening (110), and described spacer shell (109) is arranged on thermal imaging system probe (101) outside, and described refrigerating gas air intake opening (110) is arranged on the spacer shell (109);
Described straight plate valve cleaning device comprises purging and blocks straight plate valve (112) and view window (111); Described view window (111) is arranged on the front end of thermal imaging system probe (101); Described purging blocks the front end that straight plate valve (112) is arranged on view window (111).
2. high furnace infrared thermoviewer protecting device as claimed in claim 1 is characterized in that, described thermal imaging system probe (101) is an obturator, and portion charges into dry cleansing gas within it.
3. high furnace infrared thermoviewer protecting device as claimed in claim 1 or 2 is characterized in that, the outside of described thermal imaging system probe (101) is provided with a register pin (104).
4. high furnace infrared thermoviewer protecting device as claimed in claim 1 is characterized in that, described spacer shell (109) front end is provided with intilted inclined-plane (1091), and the inwall of described spacer shell (109) is provided with spiral type flow guide plates.
5. high furnace infrared thermoviewer protecting device as claimed in claim 1 is characterized in that, described view window (111) is a detachable view window.
6. high furnace infrared thermoviewer protecting device as claimed in claim 1, it is characterized in that, described purging blocks the spool that straight plate valve (112) faces view window one side and is provided with some purging pores, the drive link that described purging blocks straight plate valve (112) is provided with purge gas air intake opening (1121), and it is one can parallel mobile valve that this purging blocks straight plate valve (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100241117A CN100430703C (en) | 2005-02-28 | 2005-02-28 | High furnace infrared thermoviewer protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100241117A CN100430703C (en) | 2005-02-28 | 2005-02-28 | High furnace infrared thermoviewer protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1828242A CN1828242A (en) | 2006-09-06 |
| CN100430703C true CN100430703C (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100241117A Expired - Fee Related CN100430703C (en) | 2005-02-28 | 2005-02-28 | High furnace infrared thermoviewer protecting device |
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| Country | Link |
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| CN (1) | CN100430703C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014072780A1 (en) * | 2012-11-08 | 2014-05-15 | Menn Anatoly Naftaly | Device for monitoring fouling deposits in a pulverized coal furnace |
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|---|---|---|---|---|
| CN102128684B (en) * | 2010-12-31 | 2012-05-23 | 上海协同物理研究所 | Optical probe with blower for infrared thermodetector |
| CN102864263B (en) * | 2012-10-22 | 2014-10-15 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN108642223B (en) * | 2018-05-18 | 2023-09-26 | 天津市三特电子有限公司 | Blast furnace imaging equipment withdrawal protection device with rotation function |
| CN109234484A (en) * | 2018-11-01 | 2019-01-18 | 天津市三特电子有限公司 | The outer probe sheath front end dust stratification sweep-out method of blast furnace red and device |
| CN111154936A (en) * | 2020-02-20 | 2020-05-15 | 天津市德力达电子科技有限公司 | Short and handy pneumatic advance and retreat belt cleaning and protecting device of structure |
| CN113801971B (en) * | 2021-08-20 | 2022-08-19 | 河北金波嘉源测控技术有限公司 | Blast furnace instrument protection device |
| CN114562723B (en) * | 2022-03-04 | 2024-06-25 | 四川科达节能技术有限公司 | Back-blowing burner of steel rolling heating furnace |
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| JPH09318457A (en) * | 1996-05-24 | 1997-12-12 | Daido Steel Co Ltd | Method and apparatus for measurement of temperature of high-temperature object in fume atmosphere |
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| CN2568669Y (en) * | 2002-09-29 | 2003-08-27 | 天津新技术产业园区三泰电子有限公司 | Furnace arch red infrared pick-up device |
| US6806900B2 (en) * | 1997-09-26 | 2004-10-19 | Diamond Power International, Inc. | Furnace video camera apparatus |
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2005
- 2005-02-28 CN CNB2005100241117A patent/CN100430703C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09318457A (en) * | 1996-05-24 | 1997-12-12 | Daido Steel Co Ltd | Method and apparatus for measurement of temperature of high-temperature object in fume atmosphere |
| US6806900B2 (en) * | 1997-09-26 | 2004-10-19 | Diamond Power International, Inc. | Furnace video camera apparatus |
| CN1384662A (en) * | 2002-06-25 | 2002-12-11 | 北京科技大学 | Plug-in kiln video camera and its image processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014072780A1 (en) * | 2012-11-08 | 2014-05-15 | Menn Anatoly Naftaly | Device for monitoring fouling deposits in a pulverized coal furnace |
| US9709384B2 (en) | 2012-11-08 | 2017-07-18 | Ab Sensing, Inc. | Device for monitoring fouling deposits in a pulverized coal furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1828242A (en) | 2006-09-06 |
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Granted publication date: 20081105 Termination date: 20140228 |