CN114164309A - Small and medium-sized protractor for blast furnace tuyere - Google Patents
Small and medium-sized protractor for blast furnace tuyere Download PDFInfo
- Publication number
- CN114164309A CN114164309A CN202210050348.6A CN202210050348A CN114164309A CN 114164309 A CN114164309 A CN 114164309A CN 202210050348 A CN202210050348 A CN 202210050348A CN 114164309 A CN114164309 A CN 114164309A
- Authority
- CN
- China
- Prior art keywords
- rod
- blast furnace
- attaching
- furnace tuyere
- 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
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000010030 laminating Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
Abstract
The invention discloses a middle and small set of protractor for a blast furnace tuyere, which comprises: the rear side of the left attaching rod is used for attaching to the outer plane of the small sleeve in the blast furnace tuyere, the right attaching rod is parallel to the left attaching rod and is arranged oppositely, the rear side of the right attaching rod and the rear side of the left attaching rod are located in the same plane, the plane is a measuring plane, the measuring rod is horizontally arranged, the horizontal positioning rod is horizontally arranged, one end of the horizontal positioning rod is fixedly connected with the front side of the measuring rod, the other end of the horizontal positioning rod is a free end and is used for manually grabbing the whole protractor for measurement, the upper plate surface of the horizontal positioning rod is a positioning surface, the positioning surface is vertical to the measuring surface, and a digital display inclinometer is placed on the positioning surface of the horizontal positioning rod and is used for measuring the inclination angle of the horizontal positioning rod so as to calculate the inclination angle of the outer plane of the small sleeve in the blast furnace tuyere; the device has the advantages of simple structure, low cost, convenient operation, high efficiency, strong practicability and high accuracy, and can effectively ensure the personal safety of operators.
Description
Technical Field
The invention belongs to the peripheral field of middle and small sleeves of a blast furnace assembly tuyere, and particularly relates to a protractor for the middle and small sleeves of the blast furnace tuyere.
Background
The tuyere small sleeve is important equipment in a blast furnace air inlet system, and has the functions of feeding hot air into the blast furnace, the front end of the tuyere small sleeve is in a high-temperature environment of nearly 2000 ℃, the temperature of slag iron melt is above 1400 ℃, the temperature of the hot air passing through the tuyere small sleeve is above 1000-DEG C, and the working environment of the tuyere small sleeve is extremely severe. Generally made of copper, the cooling water is introduced into the furnace for cooling, and the hot air and the coal powder are prevented from directly scouring the wall of the furnace when the furnace is protruded into the furnace.
In the smelting process of a blast furnace or when a newly-built blast furnace is provided with a middle sleeve and a small sleeve, the angles of the middle sleeve and the small sleeve of the tuyere are frequently displaced due to various factors, the area of the tuyere and the blast kinetic energy are influenced, the air inlet amount of the tuyere is reduced, and finally the production of the blast furnace is unsmooth.
Disclosure of Invention
The invention aims to provide a middle and small sleeve protractor for a blast furnace tuyere to solve the problem that the angular displacement of the middle and small sleeve is difficult to measure.
The invention adopts the following technical scheme: a middle and small set of protractor for a blast furnace tuyere comprises:
the left attaching rod is vertically arranged, the section of the left attaching rod is rectangular or square, the rear side of the left attaching rod is used for being attached to the outer plane of the small sleeve in the blast furnace tuyere,
the right attaching rod is vertically arranged, the section of the right attaching rod is rectangular or square, the right attaching rod is parallel to and opposite to the left attaching rod, the rear side of the right attaching rod and the rear side of the left attaching rod are positioned on the same plane, the plane is a measuring plane, the rear side of the right attaching rod is used for being attached to the outer plane of the small sleeve in the blast furnace tuyere,
an upper pull rod which is horizontally arranged and is positioned between the left attaching rod and the right attaching rod, the two ends of the upper pull rod are respectively and fixedly connected with the upper half sections of the left attaching rod and the right attaching rod,
a measuring rod which is horizontally arranged and is positioned between the left attaching rod and the right attaching rod, the two ends of the measuring rod are respectively and fixedly connected with the middle sections of the left attaching rod and the right attaching rod,
a horizontal positioning rod, which is horizontally arranged, one end of the horizontal positioning rod is fixedly connected with the front side of the measuring rod, the other end of the horizontal positioning rod is a free end and is used for manually grabbing the whole protractor for measurement, the upper plate surface of the horizontal positioning rod is a positioning surface, the positioning surface is vertical to the measuring surface,
and the digital display inclinometer is placed on the positioning surface of the horizontal positioning rod and used for measuring the inclination angle of the horizontal positioning rod so as to further calculate the inclination angle of the outer plane of the middle and small sleeve at the blast furnace tuyere.
Further, still include:
and the lower pull rod is horizontally arranged and is positioned between the left attaching rod and the right attaching rod, and the two ends of the lower pull rod are fixedly connected with the lower half sections of the left attaching rod and the right attaching rod respectively.
Further, still include:
the left attaching plate is vertically arranged, the section of the left attaching plate is rectangular or square, the front side of the left attaching plate is fixedly connected with the rear side of the left attaching rod and is arranged in parallel with the left attaching rod, the rear side of the left attaching plate is used for being attached to the outer plane of the small sleeve in the blast furnace tuyere,
and the right attaching plate is vertically arranged, the cross section of the right attaching plate is rectangular or square, the front side of the right attaching plate is fixedly connected with the rear side of the right attaching rod, the right attaching plate is arranged in parallel with the right attaching rod, the thickness of the right attaching plate is the same as that of the left attaching plate, and the rear side of the right attaching plate is used for being attached to the outer plane of the small sleeve in the blast furnace tuyere.
Further, the distance between the left attaching rod and the right attaching rod is smaller than the outer diameter of the middle sleeve and the small sleeve at the tuyere of the blast furnace.
Further, the length of the left attaching rod and the right attaching rod is smaller than the outer diameter of the middle sleeve and the small sleeve at the blast furnace tuyere.
Further, the distance between the left attaching plate and the right attaching plate is smaller than the outer diameter of the middle sleeve and the small sleeve at the blast furnace tuyere.
Furthermore, the length of the left attaching plate and the right attaching plate is smaller than the outer diameter of the middle sleeve of the blast furnace tuyere.
Furthermore, the digital display inclinometer also comprises a fixed coaming which is annular, the lower end of the fixed coaming is fixedly connected to the positioning surface of the horizontal positioning rod, the axis of the fixed coaming is vertical to the positioning surface, and the hollow inner cavity of the fixed coaming is used for placing the digital display inclinometer.
The invention has the beneficial effects that: the device can accurately measure the upwarp or drooping angle and horizontal slope of the tuyere small sleeve and the middle sleeve, provides data support for knowing the angle deviation degree and accurately correcting, is convenient to measure, and can be used when the small sleeve is assembled in a newly-built blast furnace tuyere or the small sleeve in the tuyere is manually replaced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a left attachment bar; 2. a right attachment bar; 3. an upper pull rod; 4. a measuring rod; 5. a horizontal positioning rod; 6. a digital display inclinometer; 7. a lower pull rod; 8. a left attachment plate; 9. a right attachment plate; 10. fixing the coaming; 11. an outer plane; 12. a blast furnace tuyere medium and small sleeve.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a middle and small set of protractor for a blast furnace tuyere, which comprises a left attaching rod 1, a right attaching rod 2, an upper pull rod 3, a measuring rod 4, a horizontal positioning rod 5 and a digital display inclinometer 6 as shown in figure 1.
The vertical setting of left side laminating pole 1, the cross-section of left side laminating pole 1 is rectangle or square, and the rear side of left side laminating pole 1 is used for pasting on the outer plane 11 of little cover 12 in the blast furnace tuyere, and the vertical setting of right side laminating pole 2, and the cross-section of right side laminating pole 2 is rectangle or square, and right side laminating pole 2 is parallel with left laminating pole 1, and sets up relatively, and right side laminating pole 2 and left laminating pole 1 locate a plane with, and the place plane is the measuring surface, and the rear side of right side laminating pole 2 is used for pasting on the outer plane 11 of little cover 12 in the blast furnace tuyere.
Go up 3 horizontal settings of pull rod, go up pull rod 3 and be located between left laminating pole 1 and the right laminating pole 2, go up pull rod 3's both ends respectively with the first section fixed connection of left laminating pole 1 and right laminating pole 2, measuring stick 4 horizontal settings, measuring stick 4 is located between left laminating pole 1 and the right laminating pole 2, measuring stick 4's both ends respectively with the middle section fixed connection of left laminating pole 1 and right laminating pole 2.
The digital display inclinometer 6 is placed on a positioning surface of the horizontal positioning rod 5, and the digital display inclinometer 6 is used for measuring the inclination angle of the horizontal positioning rod 5 so as to calculate the inclination angle of the outer plane 11 of the small sleeve 12 in the blast furnace tuyere.
The invention also includes: lower link 7, lower link 7 level setting, lower link 7 are located between left laminating pole 1 and the right laminating pole 2, and lower link 7's both ends respectively with left laminating pole 1 and the lower half section fixed connection of right laminating pole 2.
The invention also includes: left attaching plate 8, right attaching plate 9, the vertical setting of left attaching plate 8, the cross-section of left attaching plate 8 is rectangle or square, the front side of left attaching plate 8 and the rear side fixed connection of left attaching rod 1 to with left attaching rod 1 parallel arrangement, the rear side of left attaching plate 8 is used for pasting on the outer plane 11 of the well casing 12 in the blast furnace tuyere.
The right attaching plate 9 is vertically arranged, the cross section of the right attaching plate 9 is rectangular or square, the front side of the right attaching plate 9 is fixedly connected with the rear side of the right attaching rod 2 and is arranged in parallel with the right attaching rod 2, and the rear side of the right attaching plate 9 is used for being attached to the outer plane 11 of the small sleeve 12 in the blast furnace tuyere. Through setting up left attaching plate 8 and right attaching plate 9, can make its rear side paste on the outer plane 11 of well cover 12 in the blast furnace tuyere fully, guarantee to laminate closely, avoid appearing pasting inseparably, the measuring error who causes.
The distance between the left attaching rod 1 and the right attaching rod 2 is smaller than the outer diameter of the middle sleeve 12 in the blast furnace tuyere, the length of the left attaching rod 1 and the right attaching rod 2 is smaller than the outer diameter of the middle sleeve 12 in the blast furnace tuyere, and in the measuring process, the rear sides of the left attaching rod 1 and the right attaching rod 2 are required to be completely attached to the outer plane 11 of the middle sleeve 12 in the blast furnace tuyere, and the middle sleeve 12 in the blast furnace tuyere is also provided with a water inlet pipe, a water outlet pipe and a tuyere, so that if the distance between the left attaching rod 1 and the right attaching rod 2 is larger than the outer diameter of the middle sleeve 12 in the blast furnace tuyere, the interference of the water inlet pipe or the water outlet pipe can be caused, the measurement is influenced, or the measurement is inaccurate.
The distance between the left attaching plate 8 and the right attaching plate 9 is smaller than the outer diameter of the small sleeve 12 in the blast furnace tuyere, and the length of the left attaching plate 8 and the right attaching plate 9 is smaller than the outer diameter of the small sleeve 12 in the blast furnace tuyere. In the measuring process, the rear sides of the left attaching plate 8 and the right attaching plate 9 are required to be completely attached to the outer plane 11 of the small sleeve 12 in the blast furnace tuyere, and the small sleeve 12 in the blast furnace tuyere is also provided with a water inlet pipe, a water outlet pipe and a tuyere, so that if the distance between the left attaching plate 8 and the right attaching plate 9 is larger than the outer diameter of the small sleeve 12 in the blast furnace tuyere, the interference of the water inlet pipe or the water outlet pipe can be caused, the measurement is influenced, or the measurement is inaccurate.
The digital display inclinometer further comprises a fixed surrounding plate 10, wherein the fixed surrounding plate 10 is annular, the lower end of the fixed surrounding plate 10 is fixedly connected to a positioning surface of the horizontal positioning rod 5, the axis of the fixed surrounding plate 10 is vertical to the positioning surface, and a hollow inner cavity of the fixed surrounding plate 10 is used for placing the digital display inclinometer 6. Through setting up fixed bounding wall 10, can be so that digital display inclinometer 6 places, needn't utilize workman's hand to fix it, reduce the work degree of difficulty and intensity.
When the device is used, the left attaching plate 8 and the right attaching plate 9 are completely attached to the outer plane 11, namely the surface, of the tuyere small sleeve or the middle sleeve, so that the vertical angle and the horizontal slope of the tuyere small sleeve and the tuyere middle sleeve can be measured.
The use requirements of the invention are as follows: the plane parallel measurement surface of the rear side of the left attaching plate 8 and the right attaching plate 9 is ensured, the tuyere small sleeve or the middle sleeve outer plane 11 is completely attached, the digital display inclinometer 6 is subjected to zero calibration and then is measured to obtain accurate data, and the accurate data is corrected after the measured angle is compared with a standard angle.
The device can accurately measure the upwarp or drooping angle and horizontal slope of the tuyere small sleeve and the middle sleeve, provides data support for knowing the angle deviation degree and accurately correcting, is convenient to measure, and can be used when the small sleeve is assembled in a newly-built blast furnace tuyere or the small sleeve in the tuyere is manually replaced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A middle and small set of protractor in a blast furnace tuyere is characterized by comprising:
the left attaching rod (1) is vertically arranged, the section of the left attaching rod is rectangular or square, the rear side of the left attaching rod is used for being attached to the outer plane (11) of the middle and small sleeve (12) at the tuyere of the blast furnace,
the right attaching rod (2) is vertically arranged, the cross section of the right attaching rod is rectangular or square, the right attaching rod and the left attaching rod (1) are arranged in parallel and opposite, the rear side of the right attaching rod and the rear side of the left attaching rod (1) share one plane, the plane is a measuring surface, the rear side of the right attaching rod is used for being attached to the outer plane (11) of the middle and small sleeve (12) at the blast furnace tuyere,
an upper pull rod (3) which is horizontally arranged and is positioned between the left attaching rod (1) and the right attaching rod (2), the two ends of the upper pull rod are respectively fixedly connected with the upper half sections of the left attaching rod (1) and the right attaching rod (2),
a measuring rod (4) which is horizontally arranged and is positioned between the left attaching rod (1) and the right attaching rod (2), the two ends of the measuring rod are respectively and fixedly connected with the middle sections of the left attaching rod (1) and the right attaching rod (2),
a horizontal positioning rod (5) which is horizontally arranged, one end of the horizontal positioning rod is fixedly connected with the front side of the measuring rod (4), the other end of the horizontal positioning rod is a free end and is used for manually grabbing the whole protractor for measurement, the upper plate surface of the horizontal positioning rod (5) is a positioning surface which is vertical to the measuring surface,
and the digital display inclinometer (6) is placed on a positioning surface of the horizontal positioning rod (5) and is used for measuring the inclination angle of the horizontal positioning rod (5) so as to further calculate the inclination angle of the outer plane (11) of the middle and small sleeve (12) at the blast furnace tuyere.
2. The middle and small set of protractors in a blast furnace tuyere according to claim 1, further comprising:
lower pull rod (7), the level sets up, is located between left side laminating pole (1) and the right side laminating pole (2), its both ends respectively with the lower half section fixed connection of left side laminating pole (1) and right side laminating pole (2).
3. The middle and small set of protractors in a blast furnace tuyere according to claim 2, further comprising:
the left attaching plate (8) is vertically arranged, the section of the left attaching plate is rectangular or square, the front side of the left attaching plate is fixedly connected with the rear side of the left attaching rod (1) and is arranged in parallel with the left attaching rod (1), the rear side of the left attaching plate is used for being attached to the outer plane (11) of the middle sleeve (12) in the blast furnace tuyere,
right attaching plate (9), vertical setting, its cross-section is rectangle or square, its front side with the rear side fixed connection of right side laminating pole (2), and with right side laminating pole (2) parallel arrangement, with left side attaching plate (8) thickness is the same, and its rear side is used for pasting on outer plane (11) of well cover (12) in the blast furnace tuyere.
4. The middle and small sleeve protractor for the blast furnace tuyere according to claim 3, wherein the distance between the left attaching rod (1) and the right attaching rod (2) is smaller than the outer diameter of the middle and small sleeve (12) for the blast furnace tuyere.
5. The middle and small sleeve protractor for the blast furnace tuyere according to claim 4, wherein the length of the left attaching rod (1) and the right attaching rod (2) is smaller than the outer diameter of the middle and small sleeve (12) for the blast furnace tuyere.
6. The middle and small sleeve protractor for the blast furnace tuyere according to any one of claims 3-5, wherein the distance between the left abutting plate (8) and the right abutting plate (9) is smaller than the outer diameter of the middle and small sleeve (12) for the blast furnace tuyere.
7. The middle and small sleeve protractor for a blast furnace tuyere according to claim 6, wherein the length of the left abutting plate (8) and the right abutting plate (9) is smaller than the outer diameter of the middle and small sleeve (12) for a blast furnace tuyere.
8. The middle and small set of protractors in a blast furnace tuyere according to any one of claims 3 to 5, characterized by further comprising a fixed surrounding plate (10) which is annular, the lower end of the fixed surrounding plate is fixedly connected to the positioning surface of the horizontal positioning rod (5), the axis of the fixed surrounding plate is vertical to the positioning surface, and the hollow inner cavity of the fixed surrounding plate is used for placing a digital display inclinometer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210050348.6A CN114164309A (en) | 2022-01-17 | 2022-01-17 | Small and medium-sized protractor for blast furnace tuyere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210050348.6A CN114164309A (en) | 2022-01-17 | 2022-01-17 | Small and medium-sized protractor for blast furnace tuyere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114164309A true CN114164309A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210050348.6A Pending CN114164309A (en) | 2022-01-17 | 2022-01-17 | Small and medium-sized protractor for blast furnace tuyere |
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| CN (1) | CN114164309A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012132063A (en) * | 2010-12-21 | 2012-07-12 | Jfe Steel Corp | Method for dismantling tuyere sleeve |
| KR20130034294A (en) * | 2011-09-28 | 2013-04-05 | 현대제철 주식회사 | Inspection device of bellows in furnace |
| CN105115447A (en) * | 2015-08-31 | 2015-12-02 | 南京钢铁股份有限公司 | Method for measuring angle of tuyere medium sleeve and special-purpose tool thereof |
| CN109554512A (en) * | 2017-09-27 | 2019-04-02 | 宝山钢铁股份有限公司 | A kind of tuyere medium sleeve inner diameter measuring device |
| CN216639555U (en) * | 2022-01-17 | 2022-05-31 | 陕西龙门钢铁有限责任公司 | Small and medium-sized protractor for blast furnace tuyere |
-
2022
- 2022-01-17 CN CN202210050348.6A patent/CN114164309A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012132063A (en) * | 2010-12-21 | 2012-07-12 | Jfe Steel Corp | Method for dismantling tuyere sleeve |
| KR20130034294A (en) * | 2011-09-28 | 2013-04-05 | 현대제철 주식회사 | Inspection device of bellows in furnace |
| CN105115447A (en) * | 2015-08-31 | 2015-12-02 | 南京钢铁股份有限公司 | Method for measuring angle of tuyere medium sleeve and special-purpose tool thereof |
| CN109554512A (en) * | 2017-09-27 | 2019-04-02 | 宝山钢铁股份有限公司 | A kind of tuyere medium sleeve inner diameter measuring device |
| CN216639555U (en) * | 2022-01-17 | 2022-05-31 | 陕西龙门钢铁有限责任公司 | Small and medium-sized protractor for blast furnace tuyere |
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