CN114875190A - Novel thermocouple device for blast furnace baking oven - Google Patents
Novel thermocouple device for blast furnace baking oven Download PDFInfo
- Publication number
- CN114875190A CN114875190A CN202210676526.6A CN202210676526A CN114875190A CN 114875190 A CN114875190 A CN 114875190A CN 202210676526 A CN202210676526 A CN 202210676526A CN 114875190 A CN114875190 A CN 114875190A
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- cylindrical groove
- column
- graphite gasket
- flange plate
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 36
- 229910002804 graphite Inorganic materials 0.000 claims description 36
- 239000010439 graphite Substances 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B9/00—Stoves for heating the blast in blast furnaces
- C21B9/10—Other details, e.g. blast mains
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Control Of Combustion (AREA)
Abstract
The invention discloses a novel thermocouple device for a blast furnace, belonging to the field of thermocouples. A novel thermocouple device of a blast furnace comprises a thermocouple and is characterized in that a protective tube is fixedly arranged at the connecting end of the thermocouple; the outer part of the protection tube is provided with threads; the protection pipe is in threaded connection with a flange plate; one side of the protection tube, which is far away from the flange plate, is fixedly provided with a limiting column; a locking column is arranged between the limiting column and the flange plate; the locking column is in threaded connection with the protection tube; compared with the prior art, the novel thermocouple device for the blast furnace baking oven has the advantages that the contact area between the thermocouple device and a blast furnace pipeline is increased by arranging the flange plate, so that the thermocouple is prevented from being blown out due to deformation caused by excessive local heating; the locking post further locks the flange against blow-off.
Description
Technical Field
The invention relates to the field of thermocouples, in particular to a novel thermocouple device for a blast furnace baking oven.
Background
When the blast furnace is dried, the air quantity is generally 1500 cubic meters per minute and the air temperature is 600 ℃ at 500-. A traditional blast furnace baking furnace adopts a common thermocouple to be directly inserted into the blast furnace through a tuyere blowpipe, and the front end of the thermocouple is fixed by water stemming, yellow sand and refractory bricks. The thermocouple is arranged behind the blast furnace, is easy to blow out from the blast furnace or deform, seriously influences the use of the blast furnace, and even causes the blast furnace to be forced to stop blowing for replacing the thermocouple, thereby increasing the cost and having certain potential safety hazard.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel thermocouple device for a blast furnace drying oven.
The purpose of the invention can be realized by the following technical scheme:
a novel thermocouple device of a blast furnace comprises a thermocouple, wherein a protective tube is fixedly arranged at the connecting end of the thermocouple; the outer part of the protection tube is provided with threads; the protection pipe is in threaded connection with a flange plate; one side of the protection tube, which is far away from the flange plate, is fixedly provided with a limiting column; a locking column is arranged between the limiting column and the flange plate; the locking column is in threaded connection with the protection tube.
Furthermore, a connecting column is fixedly arranged on one side, away from the protective tube, of the flange plate; the inner part and the outer part of the connecting column are both provided with threads; the connecting column is in threaded connection with the protective tube; one side of the flange plate, which is close to the connecting column, is provided with a first cylindrical groove; and a first graphite gasket is arranged inside the first cylindrical groove.
Furthermore, a first circular ring is fixedly mounted on one side, close to the flange, of the locking column; a graphite gasket II is fixedly arranged inside the circular ring I; one side of the flange plate, which is close to the first circular ring, is provided with a second cylindrical groove; the second cylindrical groove is matched with the first circular ring; a graphite gasket III is fixedly arranged inside the cylindrical groove II;
a third cylindrical groove is formed in one side, close to the limiting column, of the locking column; a graphite gasket IV is fixedly arranged inside the cylindrical groove III; a second circular ring is fixedly arranged on one side, close to the locking column, of the limiting column; a fifth graphite gasket is fixedly arranged inside the second circular ring; the second circular ring is matched with the third cylindrical groove.
Furthermore, the cross sections of the limiting columns and the locking columns are hexagonal.
Further, the thickness of the first graphite gasket is smaller than that of the first cylindrical groove.
Further, the sum of the thicknesses of the second graphite gasket and the third graphite gasket is smaller than the sum of the thickness of the first circular ring and the depth of the second cylindrical groove; the sum of the thicknesses of the fourth graphite gasket and the fifth graphite gasket is smaller than the sum of the thickness of the second circular ring and the depth of the third cylindrical groove.
Furthermore, mounting holes are uniformly distributed on the circumference of the flange plate; the mounting holes are at least two.
The invention has the beneficial effects that:
according to the novel thermocouple device for the blast furnace baking oven, the contact area between the thermocouple device and a blast furnace pipeline is increased by arranging the flange plate, so that the thermocouple is prevented from being blown out due to deformation caused by excessive local heating; the locking post further locks the flange against blow-off.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present application;
fig. 2 is a schematic bottom view of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Based on the invention. Embodiments, all other embodiments that can be made by one of ordinary skill in the art without inventive faculty are within the scope of the invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
A novel thermocouple device of a blast furnace comprises a thermocouple 1, wherein a protective tube 2 is fixedly arranged at the connecting end of the thermocouple 1; the outer part of the protection tube 2 is provided with threads; the protection tube 2 is in threaded connection with a flange 3; a limiting column 4 is fixedly arranged on one side of the protection tube 2 far away from the flange plate 3; a locking column 5 is arranged between the limiting column 4 and the flange plate 3; the locking column 5 is in threaded connection with the protection tube 2, when the thermocouple device is used, one end of the thermocouple 1 is inserted into a blast furnace, the flange 3 on the protection tube 2 is connected with a pipeline of the blast furnace, the flange 3 and the pipeline can be in threaded connection or in screw connection, the locking column 5 rotates to the flange 3, and the locking column 5 abuts against the flange 3; the flange 3 is provided with an increased contact surface, so that the deformation of the flange caused by over-large local heating is effectively avoided; the locking post 5 further locks the flange 3 to prevent it from blowing out.
Furthermore, a connecting column 6 is fixedly arranged on one side of the flange 3 away from the protective tube 2; the inside and the outside of the connecting column 6 are both provided with threads; the connecting column 6 is in threaded connection with the protective tube 2; one side of the flange plate 3 close to the connecting column 6 is provided with a first cylindrical groove 7; a first graphite gasket 8 is arranged inside the first cylindrical groove 7; the cylindrical groove I7 is matched with the outer diameter of a pipeline of the blast furnace, the flange plate 3 is connected with the inner thread of the pipeline through the outer thread of the connecting column 6, and the pipe orifice of the pipeline props against a graphite gasket II 10 in the cylindrical groove I7; the pipe wall of the pipeline is tightly attached to the inner wall of the first cylindrical groove 7, so that the air tightness is enhanced; the inner length of the protection pipe 2 inserted into the blast furnace pipeline can be adjusted through the inner threads of the connecting column 6.
Furthermore, a first ring 9 is fixedly arranged on one side of the locking column 5 close to the flange plate 3; a graphite gasket II 10 is fixedly arranged inside the circular ring I9; one side of the flange plate 3 close to the first ring 9 is provided with a second cylindrical groove 11; the second cylindrical groove 11 is matched with the first circular ring 9; a graphite gasket III 12 is fixedly arranged inside the cylindrical groove II 11;
a third cylindrical groove 13 is formed in one side, close to the limiting column 4, of the locking column 5; a graphite gasket IV 14 is fixedly arranged inside the cylindrical groove III 13; a second circular ring 15 is fixedly arranged on one side of the limiting column 4 close to the locking column 5; a graphite gasket five 16 is fixedly arranged inside the second circular ring 15; the second circular ring 15 is matched with the third cylindrical groove 13; the length of the protection pipe 2 is matched with the pipeline of the blast furnace; the length of the protection pipe 2 ensures that the protection pipe 2 does not extend out of the pipeline of the blast furnace after all structures are installed;
when the locking device is used, the flange plate 3 is fixed firstly, then the locking column 5 is fixed firstly, and the side wall of the first ring 9 on the locking column 5 is attached to the inner wall of the second cylindrical groove 11; the second graphite gasket 10 is propped against the third graphite gasket 12; then, the protection tube 2 is rotated, so that the side wall of the second circular ring 15 on the limiting column 4 is attached to the inner wall of the third cylindrical groove 13, and the fourth graphite gasket 14 abuts against the fifth graphite gasket 16; the structure further enhances the air tightness and prevents the air from flowing out from the connected thread gap; the graphite gasket is high temperature resistant, compresses tightly the cylinder groove through the ring to avoid high-temperature gas to flow.
Furthermore, the cross sections of the limiting column 4 and the locking column 5 are hexagonal, so that the limiting column 4 and the locking column 5 can be conveniently rotated, and the installation is convenient.
Further, the thickness of the first graphite gasket 8 is smaller than that of the first cylindrical groove 7.
Further, the sum of the thicknesses of the second graphite gasket 10 and the third graphite gasket 12 is smaller than the sum of the thickness of the first circular ring 9 and the depth of the second cylindrical groove 11; the sum of the thicknesses of the graphite gasket IV 14 and the graphite gasket V16 is less than the sum of the thickness of the circular ring II 15 and the depth of the cylindrical groove III 13.
Furthermore, mounting holes 17 are uniformly distributed on the circumference of the flange plate 3; the mounting holes 17 are at least two, and the flange plate 3 is convenient to mount.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. A novel thermocouple device for a blast furnace baker comprises a thermocouple (1) and is characterized in that a connecting end of the thermocouple (1) is fixedly provided with a protection tube (2); the outer part of the protection tube (2) is provided with threads; the protective pipe (2) is in threaded connection with a flange plate (3); a limiting column (4) is fixedly arranged on one side, far away from the flange plate (3), of the protection tube (2); a locking column (5) is arranged between the limiting column (4) and the flange plate (3); the locking column (5) is in threaded connection with the protection tube (2).
2. A novel thermocouple device for a blast furnace according to claim 1, wherein a connecting column (6) is fixedly mounted on one side of the flange (3) away from the protective tube (2); the inner part and the outer part of the connecting column (6) are both provided with threads; the connecting column (6) is in threaded connection with the protective tube (2); one side of the flange plate (3) close to the connecting column (6) is provided with a first cylindrical groove (7); and a first graphite gasket (8) is arranged inside the first cylindrical groove (7).
3. A novel thermocouple device for a blast furnace according to claim 2, wherein a first ring (9) is fixedly mounted on one side of the locking column (5) close to the flange (3); a graphite gasket II (10) is fixedly arranged inside the circular ring I (9); a second cylindrical groove (11) is formed in one side, close to the first circular ring (9), of the flange plate (3); the second cylindrical groove (11) is matched with the first circular ring (9); a graphite gasket III (12) is fixedly arranged inside the cylindrical groove II (11);
a third cylindrical groove (13) is formed in one side, close to the limiting column (4), of the locking column (5); a graphite gasket IV (14) is fixedly arranged in the cylindrical groove III (13); a second circular ring (15) is fixedly arranged on one side, close to the locking column (5), of the limiting column (4); a fifth graphite gasket (16) is fixedly arranged inside the second circular ring (15); the second circular ring (15) is matched with the third cylindrical groove (13).
4. A novel thermocouple device for a blast furnace according to claim 1, characterized in that the cross section of the limiting post (4) and the locking post (5) is hexagonal.
5. The novel thermocouple device for a blast furnace according to claim 1, wherein the thickness of the graphite gasket one (8) is smaller than the thickness of the cylindrical groove one (7).
6. The novel thermocouple device for a blast furnace according to claim 1, wherein the sum of the thicknesses of the second graphite gasket (10) and the third graphite gasket (12) is smaller than the sum of the thickness of the first circular ring (9) and the depth of the second cylindrical groove (11); the sum of the thicknesses of the graphite gasket IV (14) and the graphite gasket V (16) is smaller than the sum of the thickness of the circular ring II (15) and the depth of the cylindrical groove III (13).
7. The novel thermocouple device for the blast furnace according to claim 1, wherein the flange (3) is provided with mounting holes (17) uniformly distributed on the circumference; at least two mounting holes (17) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676526.6A CN114875190A (en) | 2022-06-15 | 2022-06-15 | Novel thermocouple device for blast furnace baking oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676526.6A CN114875190A (en) | 2022-06-15 | 2022-06-15 | Novel thermocouple device for blast furnace baking oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114875190A true CN114875190A (en) | 2022-08-09 |
Family
ID=82681328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210676526.6A Pending CN114875190A (en) | 2022-06-15 | 2022-06-15 | Novel thermocouple device for blast furnace baking oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114875190A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020085617A1 (en) * | 2002-01-03 | 2002-07-04 | Mamac Systems, Inc. | Thermowell adapter |
| CN204224628U (en) * | 2014-11-24 | 2015-03-25 | 上海宝盈工业炉窑工程有限公司 | The thermopair that a kind of blast furnace hearth is installed online |
| CN209858085U (en) * | 2019-06-28 | 2019-12-27 | 上海湛钢科技集团江苏股份有限公司 | High-precision anti-corrosion thermocouple |
| CN211373862U (en) * | 2019-11-21 | 2020-08-28 | 天津市宇创温度仪表有限公司 | Multistage leakage-resistant thermocouple in steel industry |
| CN211373865U (en) * | 2020-03-10 | 2020-08-28 | 上海毅碧自动化仪表有限公司 | Temperature thermocouple for garbage incinerator |
| CN211696717U (en) * | 2020-03-25 | 2020-10-16 | 陕西长青能源化工有限公司 | Insertion depth adjustable K-type thermocouple device |
| CN212059155U (en) * | 2020-04-29 | 2020-12-01 | 峡江县飞福科技有限公司 | Thermocouple |
| CN212807359U (en) * | 2020-06-15 | 2021-03-26 | 安徽长江钢铁股份有限公司 | Novel thermocouple for hot-blast stove |
| CN212903622U (en) * | 2020-09-14 | 2021-04-06 | 宁夏莫克仪表科技有限公司 | Fixed flange type thermocouple |
| CN213067994U (en) * | 2020-10-29 | 2021-04-27 | 重庆三多亿仪表有限公司 | Flame-proof thermocouple |
| CN214748490U (en) * | 2021-05-14 | 2021-11-16 | 山西天泽煤化工集团股份公司 | Change furnace thermometer portable device |
-
2022
- 2022-06-15 CN CN202210676526.6A patent/CN114875190A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020085617A1 (en) * | 2002-01-03 | 2002-07-04 | Mamac Systems, Inc. | Thermowell adapter |
| CN204224628U (en) * | 2014-11-24 | 2015-03-25 | 上海宝盈工业炉窑工程有限公司 | The thermopair that a kind of blast furnace hearth is installed online |
| CN209858085U (en) * | 2019-06-28 | 2019-12-27 | 上海湛钢科技集团江苏股份有限公司 | High-precision anti-corrosion thermocouple |
| CN211373862U (en) * | 2019-11-21 | 2020-08-28 | 天津市宇创温度仪表有限公司 | Multistage leakage-resistant thermocouple in steel industry |
| CN211373865U (en) * | 2020-03-10 | 2020-08-28 | 上海毅碧自动化仪表有限公司 | Temperature thermocouple for garbage incinerator |
| CN211696717U (en) * | 2020-03-25 | 2020-10-16 | 陕西长青能源化工有限公司 | Insertion depth adjustable K-type thermocouple device |
| CN212059155U (en) * | 2020-04-29 | 2020-12-01 | 峡江县飞福科技有限公司 | Thermocouple |
| CN212807359U (en) * | 2020-06-15 | 2021-03-26 | 安徽长江钢铁股份有限公司 | Novel thermocouple for hot-blast stove |
| CN212903622U (en) * | 2020-09-14 | 2021-04-06 | 宁夏莫克仪表科技有限公司 | Fixed flange type thermocouple |
| CN213067994U (en) * | 2020-10-29 | 2021-04-27 | 重庆三多亿仪表有限公司 | Flame-proof thermocouple |
| CN214748490U (en) * | 2021-05-14 | 2021-11-16 | 山西天泽煤化工集团股份公司 | Change furnace thermometer portable device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220809 |
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| RJ01 | Rejection of invention patent application after publication |