CN203807498U - In-furnace imaging monitoring device of blast furnace - Google Patents
In-furnace imaging monitoring device of blast furnace Download PDFInfo
- Publication number
- CN203807498U CN203807498U CN201420193435.8U CN201420193435U CN203807498U CN 203807498 U CN203807498 U CN 203807498U CN 201420193435 U CN201420193435 U CN 201420193435U CN 203807498 U CN203807498 U CN 203807498U
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- China
- Prior art keywords
- rifle body
- interior
- stainless steel
- noctovisor
- rifle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title abstract description 7
- 238000012806 monitoring device Methods 0.000 title abstract 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 37
- 239000010935 stainless steel Substances 0.000 claims description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 11
- 210000002445 nipple Anatomy 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229910052594 sapphire Inorganic materials 0.000 claims description 4
- 239000010980 sapphire Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000013517 stratification Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 239000003034 coal gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 208000001613 Gambling Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to an in-furnace imaging monitoring device of an iron-making blast furnace, and in particular relates to an in-furnace imaging monitoring device of a blast furnace. The in-furnace imaging monitoring device comprises an outer gun body and an inner gun body which form a camera gun, wherein the inner gun body is assembled in the outer gun body, an infrared camera and a lens are arranged in the inner gun body, an annular interlayer through which nitrogen passes is formed between the outer gun body and the inner gun body, and the outer gun body is provided with a cooling water jacket and an outer heat insulating layer; a nitrogen inlet for delivering nitrogen into the inner gun body is formed in an inner gun base at the rear part of the inner gun body; a dust cleaning mechanism for cleaning dust accumulated at a blowing opening part outside the front end of the gun body is arranged at the outer part of the outer gun body. The in-furnace imaging monitoring device disclosed by the utility model has the advantages that the camera gun is cooled by adopting the nitrogen and cooling water, and the dust accumulated at the blowing opening is automatically cleaned through the dust cleaning mechanism, so that the problem of gun blocking is solved; the stable and reliable operation of the camera gun can be ensured, and the production condition in the furnace can be monitored in real time.
Description
Technical field
The utility model relates to imaging monitoring system in iron making blast furnace, specifically image supervisory control device in a kind of State of Blast Furnace.
Background technology
Iron-smelting blast furnace is an airtight equipment, and behaviour furnaceman cannot observe the situation in stove, can only rely on self experience that blast furnace is produced and manipulated, and directly stove is grasped in impact, to such an extent as to affects output and index.In converter and refining furnace steel-making on-line monitoring system, existing known band passes the oxygen rifle of electro-optical device, and the device of or image luminous from converter derivation converting process, Chinese patent CN2896183Y also discloses a kind of camera gun for the inner charge level TV monitor system of industrial high temperature stove, but these prior aries can not directly apply to imaging monitoring system in State of Blast Furnace.
Utility model content
The technical problems to be solved in the utility model is, providing a kind of is inserted and is obtained image in stove by blast furnace roof, adopt nitrogen, water coolant to carry out cooling to rifle body, the outer blow valve port dust stratification of Automatic clearance solves gambling rifle problem, guarantee the reliable and stable operation of camera gun, can monitor in real time the interior image supervisory control device of State of Blast Furnace of the condition of production in stove.
The technical scheme that the utility model solves described problem employing is:
Image supervisory control device in a kind of State of Blast Furnace, comprise and form the outer rifle body of camera gun, interior rifle body, described interior rifle body is assemblied in outer rifle body, in described interior rifle body, be equipped with noctovisor and camera lens, between described outer rifle body and interior rifle body, be provided with the annular gap that nitrogen passes through, described outer rifle body is provided with watercooling jacket and outer insulative layer; On the interior rifle base at described interior rifle body rear portion, be provided with the nitrogen inlet of supplying nitrogen in inside rifle body; Described outer rifle external body is equipped with the deashing mechanism of removing rifle body front end and purge oral area dust stratification outward.
The utility model that adopts technique scheme, compared with prior art, its beneficial effect is:
Carry out cooling by nitrogen, water coolant dual-cooled system to rifle body, can ensure that camera gun adapts to furnace high-temperature environment, especially in the time of the cooling purging weak effect of lower, the interior rifle external body of nitrogen pressure nitrogen, provide cooling purging nitrogen by the internal rifle body of nitrogen inlet inside, realize the cooling purging camera lens of built-in nitrogen, ensure the normal operation of pick up camera; Purge oral area auto dust cleaning machine structure outward by configuration rifle body front end, can ensure in camera gun continuous acquisition stove clearly and detailedly real-time pictures, monitor in real time the condition of production in stove, provide production foundation to behaviour furnaceman, improve output and index.
As preferably, the utility model further technical scheme is:
Described outer rifle body forms by inserting double-layer stainless steel sleeve pipe that furnace interior divides and the stainless steel pipe nipple of the outer part of stove, stainless steel pipe nipple and double-layer stainless steel sleeve pipe are welded to connect, the annular gap of double-layer stainless steel sleeve pipe forms watercooling jacket, annular gap between double-layer stainless steel sleeve pipe and interior rifle body forms the cooling interior chamber of nitrogen, and double-layer stainless steel jacket exterior is wrapped up described thermofin.The outer lance body structure that this insertion furnace interior divides, makes circulating water water jacket and the cooling interior chamber of nitrogen that camera gun has can give full play to its dual cooling performance.
Described interior rifle body is a tubular body arranged inside, and interior rifle body tail end inserts in interior rifle base and is connected with interior rifle whorl of base, and interior rifle base is tube-in-tube structure, and interior rifle base is threaded with outer rifle body by lock sealing part.This interior lance body structure, is convenient to the assembling of interior rifle body and outer rifle body.
Described camera lens is high temperature resistant wide-angle lens, described high temperature resistant wide-angle lens is made up of the front camera lens and the lens assembly that are sleeved in high temperature resistant stainless steel shield cap, described front camera lens is made up of high temperature resistant sapphire element, its front end extends to described high temperature resistant stainless steel shield cap outer end, and described high temperature resistant stainless steel shield cap rear end is connected with noctovisor by screw-threaded coupling sheet.This structure that wide-angle lens entirety and pick up camera is connected as one by shield cap, installs, to change camera lens very convenient; The front camera lens of sapphire element composition has good high temperature resistant and erosion resistance; Lens assembly is placed in an easy-to-dismount protecting cover, is conducive to match filter assembly and other annex, obtains the demand of image to meet pick up camera under varying environment.
Described noctovisor is anti-interference copper sheathing noctovisor, described anti-interference copper sheathing noctovisor comprises fixing lasso, noctovisor main body, copper sheathing, screw, clamp ring, described noctovisor main body is placed in copper sheathing, noctovisor main body outer wrap has insulation film, the copper sheathing front end fixing lasso that is threaded, described fixing lasso is connected with interior rifle body by its outside screw, is connected with high temperature resistant stainless steel shield cap by its internal thread; Copper sheathing rear end connects screw by its internal thread, and screw compresses noctovisor main body by clamp ring, and described clamp ring is connected with interior rifle body by its outside screw.This anti-interference copper sheathing noctovisor is installed, convenient disassembly, and insulation processing is carried out by insulation film in pick up camera inside, makes pick up camera have antiground anti-interference function.
Described deashing mechanism comprises scraper plate, rotating shaft, cylinder, described rotating shaft is arranged on outer rifle body by bearing assembly along outer rifle body length direction, described cylinder is connected with one end of described rotating shaft by connecting rod, the other end of described rotating shaft is fixed with described scraper plate, the outer blow valve port of the corresponding rifle body of described scraper plate front end.By the swing of scraper plate, can effectively clear up the dust at outer blow valve port place, thereby avoid dust to stop up blow valve port, affect photographic effect; By the shutoff of the external blow valve port of scraper plate, can make maintenance personnel when rifle, can effectively prevent that in stove, coal gas sprays outward in OIR, ensure personal security, realize at OIR rifle.
Brief description of the drawings
Fig. 1 is the utility model example structure schematic diagram.
Fig. 2 is high temperature resistant wide-angle lens structural representation in Fig. 1.
Fig. 3 is anti-interference copper sheathing infrared camera structure schematic diagram in Fig. 1.
Fig. 4 is the transmission schematic diagram of deashing device power in Fig. 1.
Fig. 5 is the position view that Fig. 1 middle scraper seals outer blow valve port.
In figure: wiring and seal box 1, interior rifle base 2, nitrogen inlet 3 in interior rifle body, interior rifle body 4, lock sealing part 5, stainless steel pipe nipple 6, the external nitrogen inlet 7 of interior rifle, outer rifle body 8, entrance of cooling water 9, double-layer stainless steel sleeve pipe 10, watercooling jacket 11, thermofin 12, anti-interference copper sheathing noctovisor 13, high temperature resistant wide-angle lens 14, outer blow valve port 15, scraper plate 16, rotating shaft 17, cooling water outlet 18, cylinder 19, connecting rod 20, ball valve 21, front camera lens 22, lens assembly 23, high temperature resistant stainless steel shield cap 24, screw-threaded coupling sheet 25, fixing lasso 26, noctovisor main body 27, copper sheathing 28, screw 29, clamp ring 30.
Embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail, object is only to understand better the utility model content.
Referring to Fig. 1, image supervisory control device in the State of Blast Furnace that the present embodiment provides, by outer rifle body 8, interior rifle body 4, anti-interference copper sheathing noctovisor 13, high temperature resistant wide-angle lens 14 and be arranged on several parts compositions of the deashing mechanism of outer rifle body 8 outsides, the stainless steel pipe nipple 6 of the double-layer stainless steel sleeve pipe 10 that outer rifle body 8 is divided by insertion furnace interior and the outer part of stove forms, stainless steel pipe nipple 6 is welded to connect with double-layer stainless steel sleeve pipe 10, the annular gap of double-layer stainless steel sleeve pipe 10 forms watercooling jacket 11, watercooling jacket 11 is by entrance of cooling water 9, cooling water outlet 18 and external cooling water source form the circulating water cooling system of camera gun, annular gap between double-layer stainless steel sleeve pipe 10 and interior rifle body 4 is introduced cool nitrogen by the external nitrogen inlet 7 of interior rifle, forms the cooling interior chamber of nitrogen of camera gun, double-layer stainless steel sleeve pipe 10 outer wrap thermofins 12, affect camera gun to reduce furnace high-temperature.Interior rifle body 4 is tubular body arranged insidies, interior rifle body 4 tail ends insert in interior rifle base 2 and are threaded with interior rifle base 2, interior rifle base 2 is tube-in-tube structure, interior rifle base 2 is threaded with outer rifle body 8 by lock sealing part 5, the interior nitrogen inlet 3 of interior rifle body that is provided with supplying nitrogen in inside rifle body 4 on interior rifle base 2, wiring and seal box 1 are equipped with in interior rifle base 2 rear ends.
Referring to Fig. 1, Fig. 2, high temperature resistant wide-angle lens 14 is assemblied in interior rifle body 4.High temperature resistant wide-angle lens 14 is made up of the front camera lens 22 and the lens assembly 23 that are sleeved in high temperature resistant stainless steel shield cap 24, front camera lens 22 is made up of high temperature resistant sapphire element, its front end extends to high temperature resistant stainless steel shield cap 24 outer ends, and high temperature resistant stainless steel shield cap 24 rear ends are threaded with the fixing lasso 26 in anti-interference copper sheathing noctovisor 13 by screw-threaded coupling sheet 25.
Referring to Fig. 1, Fig. 3, anti-interference copper sheathing noctovisor 13 is assemblied in interior rifle body 4.Anti-interference copper sheathing noctovisor 13 is by fixing lasso 26, noctovisor main body 27, copper sheathing 28, screw 29, clamp ring 30 forms, noctovisor main body 27 outer wrap insulation films are placed in copper sheathing 28, copper sheathing 28 front ends are threaded and fix lasso 26, fixing lasso 26 is connected with interior rifle body 4 by its outside screw, and fixing lasso 26 is threaded with high temperature resistant stainless steel shield cap 24 by its internal thread; Copper sheathing 28 rear ends connect screw 29 by its internal thread, and screw 29 compresses noctovisor main body 27 by clamp ring 30, and clamp ring 30 is connected with interior rifle body 4 by its outside screw.
Referring to Fig. 1, Fig. 4, Fig. 5, deashing mechanism is made up of scraper plate 16, rotating shaft 17, cylinder 19, connecting rod 20, rotating shaft 17 is arranged on outer rifle body 8 by bearing assembly along outer rifle body 8 length directions, cylinder 19 is hinged by connecting rod 20 and one end work of rotating shaft 17, the other end of rotating shaft 17 is fixed with scraper plate 16, the outer blow valve port 15 of the corresponding rifle body of scraper plate 16 front end.The flexible drivening rod 20 of cylinder 19, connecting rod 20 drives rotating shaft 17 to do forward and backward motion, and 17 of rotating shafts drive scraper plate 16 to swing, and clear up the dust at outer blow valve port 15 places by the swing of scraper plate 16; Control cylinder 19 and scraper plate 16 is swung to seal the position of outer blow valve port 15 motionless, prevent that in stove, coal gas sprays outward, thereby realize at OIR rifle.
Stainless steel pipe nipple 6 tail ends in the present embodiment are equipped with ball valve 21, when in dismounting when rifle body 4, can close the outer rifle body 8 tail end ports of laying down interior rifle body 4, to prevent that in stove, coal gas sprays outward by this ball valve 21.
On outer rifle body 8 in the present embodiment, flange sleeve is housed, is welded on blast furnace by this flange sleeve, with sebific duct connection nitrogen and cooling water source.
Claims (6)
1. image supervisory control device in a State of Blast Furnace, comprise and form the outer rifle body of camera gun, interior rifle body, described interior rifle body is assemblied in outer rifle body, in described interior rifle body, be equipped with noctovisor and camera lens, it is characterized in that, between described outer rifle body and interior rifle body, be provided with the annular gap that nitrogen passes through, described outer rifle body is provided with watercooling jacket and outer insulative layer; On the interior rifle base at described interior rifle body rear portion, be provided with the nitrogen inlet of supplying nitrogen in inside rifle body; Described outer rifle external body is equipped with the deashing mechanism of removing rifle body front end and purge oral area dust stratification outward.
2. image supervisory control device in State of Blast Furnace according to claim 1, it is characterized in that, described outer rifle body forms by inserting double-layer stainless steel sleeve pipe that furnace interior divides and the stainless steel pipe nipple of the outer part of stove, stainless steel pipe nipple and double-layer stainless steel sleeve pipe are welded to connect, the annular gap of double-layer stainless steel sleeve pipe forms watercooling jacket, annular gap between double-layer stainless steel sleeve pipe and interior rifle body forms the cooling interior chamber of nitrogen, and double-layer stainless steel jacket exterior is wrapped up described thermofin.
3. image supervisory control device in State of Blast Furnace according to claim 1, it is characterized in that, described interior rifle body is a tubular body arranged inside, interior rifle body tail end inserts in interior rifle base and is connected with interior rifle whorl of base, interior rifle base is tube-in-tube structure, and interior rifle base is threaded with outer rifle body by lock sealing part.
4. image supervisory control device in State of Blast Furnace according to claim 1, it is characterized in that, described camera lens is high temperature resistant wide-angle lens, described high temperature resistant wide-angle lens is made up of the front camera lens and the lens assembly that are sleeved in high temperature resistant stainless steel shield cap, described front camera lens is made up of high temperature resistant sapphire element, its front end extends to described high temperature resistant stainless steel shield cap outer end, and described high temperature resistant stainless steel shield cap rear end is connected with noctovisor by screw-threaded coupling sheet.
5. image supervisory control device in State of Blast Furnace according to claim 4, it is characterized in that, described noctovisor is anti-interference copper sheathing noctovisor, described anti-interference copper sheathing noctovisor comprises fixing lasso, noctovisor main body, copper sheathing, screw, clamp ring, described noctovisor main body is placed in copper sheathing, noctovisor main body outer wrap has insulation film, the copper sheathing front end fixing lasso that is threaded, described fixing lasso is connected with interior rifle body by its outside screw, is connected with high temperature resistant stainless steel shield cap by its internal thread; Copper sheathing rear end connects screw by its internal thread, and screw compresses noctovisor main body by clamp ring, and described clamp ring is connected with interior rifle body by its outside screw.
6. image supervisory control device in State of Blast Furnace according to claim 1, it is characterized in that, described deashing mechanism comprises scraper plate, rotating shaft, cylinder, described rotating shaft is arranged on outer rifle body by bearing assembly along outer rifle body length direction, described cylinder is connected with one end of described rotating shaft by connecting rod, the other end of described rotating shaft is fixed with described scraper plate, the outer blow valve port of the corresponding rifle body of described scraper plate front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193435.8U CN203807498U (en) | 2014-04-21 | 2014-04-21 | In-furnace imaging monitoring device of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193435.8U CN203807498U (en) | 2014-04-21 | 2014-04-21 | In-furnace imaging monitoring device of blast furnace |
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| CN203807498U true CN203807498U (en) | 2014-09-03 |
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| CN201420193435.8U Expired - Fee Related CN203807498U (en) | 2014-04-21 | 2014-04-21 | In-furnace imaging monitoring device of blast furnace |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404188A (en) * | 2014-11-28 | 2015-03-11 | 武汉钢铁(集团)公司 | Phased array radar measurement structure capable of ensuring stable monitoring of burden surface of blast furnace |
| CN105635676A (en) * | 2015-12-29 | 2016-06-01 | 北京北科中钢工程技术有限公司 | Observer of enclosed high-temperature vessel |
| CN106454029A (en) * | 2016-10-14 | 2017-02-22 | 辽宁中弘信冶金技术有限公司 | High-temperature imaging system |
| CN106583723A (en) * | 2016-12-15 | 2017-04-26 | 南京中科煜宸激光技术有限公司 | Photographic device for material increase manufacturing |
| CN107923797A (en) * | 2015-08-18 | 2018-04-17 | 株式会社 Ihi | High-temperature portion observes device |
| CN109468423A (en) * | 2018-12-28 | 2019-03-15 | 青岛众志测控技术有限公司 | The online night vision thermal imaging diagnostic system of blast furnace roof |
| CN110257749A (en) * | 2019-07-05 | 2019-09-20 | 宝钢湛江钢铁有限公司 | A kind of hot galvanizing furnace nose zinc gray viewer |
| CN110592302A (en) * | 2019-10-25 | 2019-12-20 | 四川德胜集团钒钛有限公司 | Blast furnace monitoring device |
| CN111641811A (en) * | 2020-05-21 | 2020-09-08 | 北京润泰环保科技有限公司 | Monitoring device in medical waste burning kiln |
| CN114630074A (en) * | 2020-12-11 | 2022-06-14 | 秦皇岛秦冶重工有限公司 | Valve cavity monitoring system |
-
2014
- 2014-04-21 CN CN201420193435.8U patent/CN203807498U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404188B (en) * | 2014-11-28 | 2016-09-21 | 武汉钢铁(集团)公司 | A kind of phased-array radar measurement structure ensureing blast furnace charge level stability monitoring |
| CN104404188A (en) * | 2014-11-28 | 2015-03-11 | 武汉钢铁(集团)公司 | Phased array radar measurement structure capable of ensuring stable monitoring of burden surface of blast furnace |
| US10412323B2 (en) | 2015-08-18 | 2019-09-10 | Ihi Corporation | High-temperature object observation device |
| CN107923797A (en) * | 2015-08-18 | 2018-04-17 | 株式会社 Ihi | High-temperature portion observes device |
| CN105635676A (en) * | 2015-12-29 | 2016-06-01 | 北京北科中钢工程技术有限公司 | Observer of enclosed high-temperature vessel |
| CN106454029A (en) * | 2016-10-14 | 2017-02-22 | 辽宁中弘信冶金技术有限公司 | High-temperature imaging system |
| CN106583723A (en) * | 2016-12-15 | 2017-04-26 | 南京中科煜宸激光技术有限公司 | Photographic device for material increase manufacturing |
| CN109468423A (en) * | 2018-12-28 | 2019-03-15 | 青岛众志测控技术有限公司 | The online night vision thermal imaging diagnostic system of blast furnace roof |
| CN110257749A (en) * | 2019-07-05 | 2019-09-20 | 宝钢湛江钢铁有限公司 | A kind of hot galvanizing furnace nose zinc gray viewer |
| CN110257749B (en) * | 2019-07-05 | 2021-06-11 | 宝钢湛江钢铁有限公司 | Hot galvanizing furnace nose zinc ash observer |
| CN110592302A (en) * | 2019-10-25 | 2019-12-20 | 四川德胜集团钒钛有限公司 | Blast furnace monitoring device |
| CN110592302B (en) * | 2019-10-25 | 2021-10-12 | 四川德胜集团钒钛有限公司 | Blast furnace monitoring device |
| CN111641811A (en) * | 2020-05-21 | 2020-09-08 | 北京润泰环保科技有限公司 | Monitoring device in medical waste burning kiln |
| CN114630074A (en) * | 2020-12-11 | 2022-06-14 | 秦皇岛秦冶重工有限公司 | Valve cavity monitoring system |
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Owner name: TANGSHAN CHENJUN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TONGSHAN FANGDA TIANZHENG ELECTRONICS CO., LTD. Effective date: 20150730 |
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Effective date of registration: 20150730 Address after: 063000, room 605, building 301, Phoenix Sega, North Tangshan City Road, Hebei Province Patentee after: TANGSHAN CENJUN TECHNOLOGY Co.,Ltd. Address before: 064000 Hebei province Tangshan City West Hancheng Ding Wangrui king A Dishang District No. 21 Patentee before: TANGSHAN FANGDA TIANZHENG ELECTRONICS CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 |