CN204514088U - A kind of refining furnace being convenient to measuring tempeature - Google Patents
A kind of refining furnace being convenient to measuring tempeature Download PDFInfo
- Publication number
- CN204514088U CN204514088U CN201520195630.9U CN201520195630U CN204514088U CN 204514088 U CN204514088 U CN 204514088U CN 201520195630 U CN201520195630 U CN 201520195630U CN 204514088 U CN204514088 U CN 204514088U
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- thermocouple hole
- hole
- convenient
- depth
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of refining furnace being convenient to measuring tempeature, the furnace roof comprising body of heater and the burner be arranged in body of heater, described furnace roof comprises liner flame retardant coating, the furnace roof of described body of heater is provided with the different thermocouple hole of multiple degree of depth from burner horizontal range 2.5 meters to 3 meters, the bottom of described thermocouple hole is all positioned at liner flame retardant coating, its thermometric is accurate, can carry out monitoring steady in a long-term, and effectively can improve the service life of thermocouple to temperature in burner hearth.
Description
Technical field
The utility model relates to reclaimed copper refining furnace field, more particularly, relates to a kind of refining furnace being convenient to measuring tempeature.
Background technology
Existing reclaimed copper refining adopts the mode of natural gas mixing pure oxygen burning mostly, and compared to the mode of traditional natural gas mixing air burning, it has quick heating, the advantage such as energy-conservation.Because lack the protection of the inert gas in air; the dividing potential drop gas that burning generates improves; add the high-temperature of pure oxygen burning flame, cause pure oxygen burning to be accelerated the scaling loss of hearth inner lining refractory material compared to air burning, directly affect the service life of burner hearth.
In reclaimed copper refining process, temperature controls to be a quite crucial factor, does not use thermocouple, the temperature of burner hearth cannot be detected in the stove of air burning in the past.By technological innovation, use heat-accumulation combustion and Pure Oxygen Combustion Technology, all need the temperature detecting burner hearth, therefore need thermocouple is installed.But install place and the very difficult choosing of safeguard measure of thermocouple, the body mechanism that copper scrap refining uses also constrains the place of installing thermocouple, can only install from furnace roof punching.When table manufactures in the past, in order to thermometric is accurate, directly punch when furnace roof punches, in order to protect thermocouple, the high temperature resistant stainless steel pipe of pre-buried Ф 60 in the hole accomplished fluently.But in the oxidizing process of copper, have copper liquid slag inclusion to spatter in stainless steel tube, by hole plug, finally burnt out by thermocouple, service life is probably at about two months.Used stainless steel tube instead earthenware afterwards, thermocouple is not still durable.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of refining furnace, and its thermometric is accurate, can carry out monitoring steady in a long-term, and effectively can improve the service life of thermocouple to temperature in burner hearth.
The technical scheme in the invention for solving the above technical problem is:
A kind of refining furnace being convenient to measuring tempeature, the furnace roof comprising body of heater and the burner be arranged in body of heater, described furnace roof comprises liner flame retardant coating, the furnace roof of described body of heater is provided with the different thermocouple hole of multiple degree of depth from burner horizontal range 2.5 meters to 3 meters, and the bottom of described thermocouple hole is all positioned at liner magnesia chrome spinel flame retardant coating.
The utility model improves on the basis of existing refining furnace: one, directly arranges the thermocouple hole not punching furnace roof at furnace roof, avoids copper liquid slag inclusion to burn out thermocouple, protect thermocouple, extends the adaptation life-span of thermocouple; The thermocouple hole of multiple different depth two, is set at key position, reaches the Measurement accuracy to temperature in burner hearth.
When measuring reclaimed copper refining in-furnace temperature, thermometric being carried out to Lu Nei highest temperature district and is just of practical significance, choose other points and measure, lose actual meaning.Know according to thermal process Numerical Simulation Results in reclaimed copper refining furnace and practical production experience, in reclaimed copper refining furnace, highest temperature district is horizontal range burner 2.5 meters of furnace roofs to 3 meters of tops, and its temperature of bearing is the highest, the most easily burnt, namely should be carried out temperature monitoring to this region by emphasis.
The degree of depth of multiple thermocouple hole is different, and thermocouple, when first time uses, is put in the darkest thermocouple hole of the degree of depth by refining furnace, by detecting, draws a reference value; In use for some time, the liner flame retardant coating scaling loss of furnace roof, the temperature that thermocouple is detected rises, be put in the more shallow thermocouple hole of second degree of depth by thermocouple and carry out temperature survey, after using a period of time, liner flame retardant coating scaling loss, thickness becomes thinner, the like the position of thermocouple is converted.Thermocouple first time, when being put in the darkest thermocouple hole of the degree of depth, the reference value temperature σ drawn represented; In burner hearth, temperature hand-held infrared thermometer is measured accurately, represents with ω; Difference ξ=ω-σ then; Temperature then at ordinary times in burner hearth is correctly yes: σ+ξ.Due to refining furnace in use, liner flame retardant coating is impaired, distance between liner flame retardant coating inwall and thermocouple hole is reduced, namely ξ is in continuous change, utilize the thermocouple hole that multiple different depth is set, ensure that the distance between thermocouple hole and liner flame retardant coating inwall remains in certain scope, namely ensure that the excursion of middle difference ξ is in certain scope, strengthens accuracy thermometric in burner hearth.Because the degree of depth of multiple thermocouple hole is different, the long-term object detected can be reached, also can reach and monitoring steady in a long-term is carried out to temperature in burner hearth.
As preferably, described thermocouple hole has 3, comprises the first thermocouple hole, the second thermocouple hole and three thermocouple hole.
Further, the degree of depth of the first described thermocouple hole is 300mm to 320mm, and the degree of depth of the second described thermocouple hole is 230mm to 250mm, and the degree of depth in described three thermocouple hole is 150mm to 200mm.
Further, the degree of depth in the first described thermocouple hole, the second thermocouple hole and three thermocouple hole is respectively 300mm, 230mm and 150mm.
Further, control thermocouple for the ease of concentrating, by the Relatively centralized that thermocouple is arranged, the axial line distance between adjacent two thermocouple holes is 250mm.It is too near that distance between adjacent two thermocouple holes should not be arranged, too near words are too high to the requirement of strength of brick, easily damage furnace roof when beating thermocouple hole, what the distance between adjacent two thermocouples arranged within the scope of highest temperature district is far away as far as possible, reduces the requirement to stove brick intensity.
As preferably, in described thermocouple hole, be filled with sealing device.
Further, described sealing device is alumina silicate asbestic blanket.
To sum up, the beneficial effects of the utility model are:
1, the utility model arranges multiple thermocouple hole on furnace roof, and thermocouple is positioned in thermocouple hole, avoids copper liquid slag inclusion to burn out thermocouple, protects thermocouple, extends the adaptation life-span of thermocouple.
2, the utility model arranges the different thermocouple hole of multiple degree of depth in high-temperature region, reaches thermometric accurate, can carry out monitoring steady in a long-term to temperature in burner hearth.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing: 1, body of heater; 11, liner flame retardant coating; 2, burner; 3, thermocouple hole.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but embodiment of the present utility model is not limited thereto.Based on the embodiment that the utility model is recorded, other all embodiment that this field technique personnel obtain when not paying creative work, all in the scope of the utility model protection.
Embodiment 1:
A kind of refining furnace being convenient to measuring tempeature as shown in Figure 1, the furnace roof comprising body of heater 1 and the burner 2 be arranged in body of heater, described furnace roof comprises liner flame retardant coating 11, the furnace roof of described body of heater 1 is provided with the different thermocouple hole of multiple degree of depth 3 from burner horizontal range 2.5 meters to 3 meters, and the bottom of described thermocouple hole 3 is all positioned at liner flame retardant coating 11.
In actual thermometric process, thermocouple first time is put in the darkest thermocouple hole of the degree of depth, and the reference value temperature σ drawn represents; In burner hearth, temperature hand-held infrared thermometer is measured accurately, represents with ω; Difference ξ=ω-σ then; Temperature then at ordinary times in burner hearth is correctly yes: σ+ξ.Citing: ω=1458 DEG C, σ=1435 DEG C, then ξ=ω-σ=1458-1435=23 DEG C, namely the temperature reading of thermocouple adds that 23 DEG C is exactly the actual temperature of burner hearth.Due to refining furnace in use, liner flame retardant coating is impaired, and the distance between liner flame retardant coating inwall and thermocouple hole is reduced, and namely ξ is in continuous change.When after use a period of time, thermocouple is put in the more shallow thermocouple hole of second degree of depth, carry out temperature survey, ensure that the distance between thermocouple hole and liner flame retardant coating inwall remains in certain scope, namely ensure that the excursion of middle difference ξ is in certain scope, strengthens accuracy thermometric in burner hearth.After thermocouple measures a period of time in the more shallow thermocouple hole of second degree of depth, the like the position of thermocouple is converted.
Embodiment 2:
A kind of refining furnace being convenient to measuring tempeature as shown in Figure 1, the present embodiment has carried out refinement on the basis of above-described embodiment, and namely described thermocouple hole 3 has 3, comprises the first thermocouple hole, the second thermocouple hole and three thermocouple hole.
The degree of depth of the first described thermocouple hole is 300mm to 320mm, and the degree of depth of the second described thermocouple hole is 230mm to 250mm, and the degree of depth in described three thermocouple hole is 150mm to 200mm.
Axial line distance between adjacent two thermocouple holes is 250mm.
Three thermocouple holes of the present embodiment are all positioned at the highest temperature district of burner hearth, have the tangible meaning of real thermometric.
Embodiment 3:
A kind of refining furnace being convenient to measuring tempeature as shown in Figure 1, the present embodiment is preferred one group of embodiment on the basis of above-described embodiment, and the degree of depth in the first namely described thermocouple hole, the second thermocouple hole and three thermocouple hole is respectively 300mm, 230mm and 150mm.
In the production of reality, according to liner flame retardant coating scaling loss rule, preferred thermocouple hole is set to three.The degree of depth in the first thermocouple hole, the second thermocouple hole and three thermocouple hole is respectively 300mm, 230mm and 150mm, and thermocouple, when first time uses, is put in the first thermocouple hole by refining furnace, by monitoring, obtains reference value temperature σ.After using for two wheat harvesting period times, due to liner flame retardant coating scaling loss, close to 80mm, thermocouple measured temperature and actual temperature deviation increase, and namely the temperature of thermocouple increases before comparing, and are taken out by thermocouple and are put in the second thermocouple hole; Treat that breach appears in the second thermocouple hole, reach temperature upper limit alarm point, now temperature can reach 1600 DEG C, is taken out by thermocouple and is put in three thermocouple hole again.
Liner flame retardant coating selects magnesia chrome spinel brick, and its corrosion and heat resistant ability is strong, and after using a period of time, after about 10 days, surface can form one deck glaze layer, and the erosion-resisting ability of this glaze layer is stronger.
The structure of furnace roof is the liner flame retardant coating of the thick sand of 30mm, the heat-insulation layer of 50mm and 380mm from top to bottom.When liner flame retardant coating thickness originally becomes 150mm, leap up fiery phenomenon in furnace roof local, needs to do the preparation of repairing in furnace roof.
Actual production operation experience, the service life of existing refining furnace is 6 months.After increasing thermocouple temperature measurement, its thermometric is accurate, the temperature detection maintained a long-term stability, effectively the temperature in burner hearth is controlled below 1550 DEG C, the damaged condition of liner flame retardant coating is reduced, makes the time between overhauls(TBO) to reach more than 9 months, namely increase the service life of refining furnace.
Embodiment 4:
A kind of refining furnace being convenient to measuring tempeature as shown in Figure 1, in order to protect thermocouple hole, the present embodiment is optimized on the basis of above-described embodiment, is filled with sealing device in namely described thermocouple hole.
Described sealing device is alumina silicate asbestic blanket.
As mentioned above, the utility model can be realized preferably.
Claims (7)
1. be convenient to the refining furnace of measuring tempeature for one kind, the furnace roof comprising body of heater (1) and the burner (2) be arranged in body of heater, described furnace roof comprises liner flame retardant coating (11), it is characterized in that: the furnace roof of described body of heater (1) is provided with the different thermocouple hole of multiple degree of depth (3) from burner (2) horizontal range 2.5 meters to 3 meters, and the bottom of described thermocouple hole (3) is all positioned at liner flame retardant coating (11).
2. a kind of refining furnace being convenient to measuring tempeature according to claim 1, is characterized in that: described thermocouple hole (3) has 3, comprises the first thermocouple hole, the second thermocouple hole and three thermocouple hole.
3. a kind of refining furnace being convenient to measuring tempeature according to claim 2, it is characterized in that: the degree of depth of the first described thermocouple hole is 300mm to 320mm, the degree of depth of the second described thermocouple hole is 230mm to 250mm, and the degree of depth in described three thermocouple hole is 150mm to 200mm.
4. a kind of refining furnace being convenient to measuring tempeature according to claim 3, is characterized in that: the degree of depth in the first described thermocouple hole, the second thermocouple hole and three thermocouple hole is respectively 300mm, 230mm and 150mm.
5. a kind of refining furnace being convenient to measuring tempeature according to claim 3, is characterized in that: the axial line distance between adjacent two thermocouple holes (3) is 250mm.
6. a kind of refining furnace being convenient to measuring tempeature according to claim 1, is characterized in that: be filled with sealing device in described thermocouple hole (3).
7. a kind of refining furnace being convenient to measuring tempeature according to claim 6, is characterized in that: described sealing device is alumina silicate asbestic blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195630.9U CN204514088U (en) | 2015-04-02 | 2015-04-02 | A kind of refining furnace being convenient to measuring tempeature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195630.9U CN204514088U (en) | 2015-04-02 | 2015-04-02 | A kind of refining furnace being convenient to measuring tempeature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514088U true CN204514088U (en) | 2015-07-29 |
Family
ID=53712058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520195630.9U Active CN204514088U (en) | 2015-04-02 | 2015-04-02 | A kind of refining furnace being convenient to measuring tempeature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204514088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186787A (en) * | 2018-10-24 | 2019-01-11 | 河南华润电力首阳山有限公司 | A kind of system for detecting temperature and method of the big packet of boiler top |
-
2015
- 2015-04-02 CN CN201520195630.9U patent/CN204514088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186787A (en) * | 2018-10-24 | 2019-01-11 | 河南华润电力首阳山有限公司 | A kind of system for detecting temperature and method of the big packet of boiler top |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105369009B (en) | A kind of temp measuring system and temp measuring method of electric-arc furnace steelmaking on-line measurement molten steel temperature | |
| Zhao et al. | Study on the early warning mechanism for the security of blast furnace hearths | |
| CN108570524B (en) | Detection and diagnosis process for refractory material of blast furnace hot blast stove pipeline lining | |
| CN101612651A (en) | Front box device for roll-casting of magnesium alloy | |
| JP2014005535A (en) | Method for evaluating solid fuel | |
| CN204514088U (en) | A kind of refining furnace being convenient to measuring tempeature | |
| CN107855509A (en) | Temperature measurement on-line control device and method in ladle baking | |
| CN101907496B (en) | Testing method of baking temperature of steel ladle | |
| CN105891033A (en) | Durometer for measuring variable-temperature hardness of metal material | |
| CN205403489U (en) | Door and book curtain fire resistance testing stove | |
| CN205934001U (en) | Well formula cementation furnace with visit monitor function | |
| CN207581847U (en) | The analoging detecting device that a kind of burden distribution system influences blast furnace melting with soft | |
| CN206330916U (en) | The hot load of key device of mineral wool | |
| CN102322804A (en) | Method of detecting erosion degree of lining of argon oxygen decarburizing furnace | |
| JP5854200B2 (en) | Blast furnace operation method | |
| KR20120087559A (en) | Method for estimating position bordered to furnace wall of softening zone | |
| CN104874780A (en) | Automatic optimization baking device for torpedo type hot metal ladle | |
| CN207570670U (en) | A kind of temperature measuring equipment | |
| Wuenning | Factors, Influencing Radiant Tube Life | |
| CN203561224U (en) | Portable kiln temperature and kiln pressure measuring tool and kiln | |
| CN113514014B (en) | Device and method for measuring thickness of blast furnace wall by correcting stress wave method | |
| CN206089594U (en) | Gasification furnace | |
| CN204214270U (en) | Ignition furnace anchoring piece device | |
| CN220270636U (en) | Device for testing system precision | |
| CN106767288A (en) | The method for measuring electric furnace refractory brick residual thickness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |