CN109765553B - Radar device for blast furnace measurement - Google Patents
Radar device for blast furnace measurement Download PDFInfo
- Publication number
- CN109765553B CN109765553B CN201910175992.4A CN201910175992A CN109765553B CN 109765553 B CN109765553 B CN 109765553B CN 201910175992 A CN201910175992 A CN 201910175992A CN 109765553 B CN109765553 B CN 109765553B
- Authority
- CN
- China
- Prior art keywords
- antenna
- side wall
- blast furnace
- ventilation ring
- mandrel
- 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
- 238000005259 measurement Methods 0.000 title claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000009545 invasion Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention provides a radar device for blast furnace measurement, which comprises a measuring element, a channel element and an antenna element; the measuring element is arranged at the topmost end of the radar device, and the other end of the measuring element is connected with the channel element; the channel element is connected with a rotating shaft which is fixed on the furnace wall of the blast furnace; the channel element comprises a central hollow T-shaped structure mandrel, and the lower end of the mandrel is of a trapezoid hollow structure; the outer side wall of the mandrel is sleeved with an air vent ring, and the air vent ring is of an annular structure and comprises an inner side wall of the air vent ring and an outer side wall of the air vent ring; the lower end of the ventilation ring is connected with an antenna element. Through setting up cavity, antenna inlayer between ventilation ring lateral wall and the inside wall with cavity between the antenna skin is the through structure, continuously lets in gas in the through structure, has realized the cooling to radar detection device, has reduced invasion and attack of harmful impurity such as dust, has improved the measuring degree of accuracy of charge level shape in the stove.
Description
Technical Field
The invention belongs to the field of blast furnace detection, and particularly relates to a radar device for blast furnace measurement.
Background
At present, the internal working environment of the blast furnace is extremely bad, and the condition of directly detecting the charge level is very difficult. In order to control the shape of the charge level, the distribution shape of the charge on the top of the blast furnace needs to be measured, and the high temperature, high pressure and dust environment on the top of the blast furnace bring great difficulty to measurement. The foremost is that according to the experience of operating personnel, the distribution and the firepower state of the blast furnace are ensured by manual operation, so that the operation of the blast furnace has great experience and randomness, the accuracy cannot be ensured, and the optimization of the distribution operation is not facilitated.
The radar trial rod applied to the blast furnace can only measure the height of one point of the material surface, and does not have the capability of detecting the shape of the material surface. The array is constituteed to many single-point radars and is measured the charge level height of charge level different points, and though can realize charge level shape detection through subsequent data processing, trompil number is many, is difficult for obtaining in reasonable mounted position reality.
Industrial radars on the market cannot resist the attack of high temperature, dust and corrosive gas in a blast furnace because of no protection design aiming at the blast furnace environment, so the radar is necessary to be provided for measuring the shape of the charge level in the furnace, and an effective way is provided for realizing the optimization of the burden distribution operation of the blast furnace.
Disclosure of Invention
Technical problems: in order to solve the problem of invasion of harmful impurities such as dust and the like when the radar is used for blast furnace measurement in the prior art, the invention provides a radar device for blast furnace measurement, which comprises the following specific technical scheme: comprises a measuring element, a channel element and an antenna element; the measuring element is arranged at the topmost end of the radar device, and the other end of the measuring element is connected with the channel element; the channel element is connected with a rotating shaft which is fixed on the furnace wall of the blast furnace; the channel element comprises a central hollow T-shaped structure mandrel, and the lower end of the mandrel is of a trapezoid hollow structure; the outer side wall of the mandrel is sleeved with an air vent ring, and the air vent ring is of an annular structure and comprises an inner side wall of the air vent ring and an outer side wall of the air vent ring; the lower end of the ventilation ring is connected with an antenna element; the antenna element comprises an inner antenna layer and an outer antenna layer; the inner side wall of the ventilation ring is fixed outside the mandrel, the top end of the inner layer of the antenna is connected with the tail end of the mandrel, and the outer layer of the antenna is connected with the outer side wall of the ventilation ring; the section of the inner wall of the ventilation ring isShape, outer side wall is->A shape in which a cavity structure is formed between the inner sidewall and the outer sidewall; the cavity between the outer side wall and the inner side wall of the ventilation ring and the cavity between the inner antenna layer and the outer antenna layer are of a through structure, and gas is introduced into the through structure; and a group of through holes are distributed on the inner layer of the antenna at intervals.
As an improvement, the mandrel, the ventilation ring, the antenna inner layer and the antenna outer layer are centrosymmetric.
As an improvement, the antenna inner layer and the antenna outer layer are both of horn-shaped structures.
As an improvement, the inclination angle of the pore canal of the through hole relative to the horizontal plane is adjusted in the angle range parallel to the horizontal plane and perpendicular to the inner layer of the antenna according to the taper of the inner layer of the antenna.
As an improvement, the rotating shaft is connected with a speed reducer, and the speed reducer is connected with a power device.
As a modification, the gas is nitrogen or an inert gas.
The beneficial effects are that: according to the radar device for measuring the blast furnace, provided by the invention, the cavity between the outer side wall and the inner side wall of the ventilation ring and the cavity between the inner layer of the antenna and the outer layer of the antenna are of the through structure, and the air is continuously introduced into the through structure, so that the radar detection device is cooled, meanwhile, the invasion of harmful impurities such as dust is reduced, and the accuracy of measuring the shape of the material surface in the furnace is improved.
Drawings
Fig. 1 is a schematic structural view of the device of the present invention.
FIG. 2 is a cross-sectional view of embodiment 1 of the vent ring of the present invention.
FIG. 3 is a schematic view of the structure of the main parts of the device of the present invention when gas is introduced.
In the above figures: 1. a measuring element; 2. a channel element; 3. a rotating shaft; 4. an antenna element; 5. a mandrel; 6. an air-permeable ring; 7. an antenna inner layer; 8. an antenna outer layer; 9. a speed reducer; 10. power loading; 11. the blast furnace wall.
Detailed Description
The present invention will be further described below.
A radar device for blast furnace measurement comprises a measuring element 1, a channel element 2 and an antenna element 4; the measuring element 1 is arranged at the topmost end of the radar device, and the other end of the measuring element is connected with the channel element 2; the channel element 2 is connected with a rotating shaft 3, and the rotating shaft 3 is fixed on a blast furnace wall 11; the channel element 2 comprises a central hollow T-shaped structural mandrel 5, and the lower end of the mandrel 5 is of a trapezoid hollow structure; the outer side wall of the mandrel 5 is sleeved with an air vent ring 6, and the air vent ring 6 is of an annular structure and comprises an inner side wall of the air vent ring 6 and an outer side wall of the air vent ring 6; the lower end of the ventilation ring 6 is connected with an antenna element 4; the antenna element 4 comprises an antenna inner layer 7 and an antenna outer layer 8; the inner side wall of the ventilation ring 6 is fixed outside the mandrel 5, the top end of the antenna inner layer 7 is connected with the tail end of the mandrel 5, and the antenna outer layer 8 is connected with the outer side wall of the ventilation ring 6.
The cavity between the outer side wall and the inner side wall of the ventilation ring 6 and the cavity between the antenna inner layer 7 and the antenna outer layer 8 are of a through structure, and gas is introduced into the through structure. A group of through holes are distributed on the antenna inner layer 7 at intervals. The inclination angle of the pore canal of the through hole relative to the horizontal plane is adjusted in the angle range parallel to the horizontal plane and perpendicular to the antenna inner layer 7 according to the taper of the antenna inner layer 7. The antenna inner layer 7 and the antenna outer layer 8 are both of horn-shaped structures. The mandrel 5, the ventilation ring 6, the antenna inner layer 7 and the antenna outer layer 8 are symmetrical in center. The rotating shaft 3 is connected with a speed reducer 9, and the speed reducer 9 is connected with a power device 10. The gas is nitrogen or inert gas.
Example 1
As shown in FIG. 2, the section of the inner side wall of the ventilation ring 6 isThe shape is square in the middle, and four corners of the square independently protrude out of the image to form a square shape; the outer side wall is->The shape is square; wherein a cavity structure is formed between the inner side wall and the outer side wall.
Working principle: the power device 10 is turned on, and the rotation of the rotating shaft 3 is realized through the speed reducer 9, so that the radar device can obtain complete blast furnace burden surface shape information. Set up the breather ring 6 of different cross-sections, let in gas, for example nitrogen gas or inert gas in the through-structure, set up the inclination of through-hole pore on the antenna inlayer 7 for the horizontal plane according to the tapering size of antenna inlayer 7, in being on a parallel with horizontal plane and perpendicular to the angle within range adjustment of antenna inlayer 7, realized that gas can circulate along certain angle, in order to realize radar installation in work more high-efficiently, when cooling down to it, reduced the invasion of harmful impurity such as dust, improved the degree of accuracy of measuring of material level shape in the stove.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (4)
1. A radar apparatus for blast furnace measurement, characterized in that: comprises a measuring element (1), a channel element (2) and an antenna element (4); the measuring element (1) is arranged at the topmost end of the radar device, and the other end of the measuring element is connected with the channel element (2); the channel element (2) is connected with a rotating shaft (3), and the rotating shaft (3) is fixed on the blast furnace wall (11); the channel element (2) comprises a central hollow T-shaped structural mandrel (5), and the lower end of the mandrel (5) is of a trapezoid hollow structure; the outer side wall of the mandrel (5) is sleeved with an air ventilation ring (6), and the air ventilation ring (6) is of an annular structure and comprises an inner side wall of the air ventilation ring (6) and an outer side wall of the air ventilation ring (6); the lower end of the ventilation ring (6) is connected with an antenna element (4); the antenna element (4) comprises an antenna inner layer (7) and an antenna outer layer (8); wherein the inner side wall of the ventilation ring (6) is fixed outside the mandrel (5), the top end of the antenna inner layer (7) is connected with the tail end of the mandrel (5), and the antenna outer layer (8) is connected with the outer side wall of the ventilation ring (6); wherein the section of the inner side wall of the ventilation ring (6) isShape, outer side wall is->A shape in which a cavity structure is formed between the inner sidewall and the outer sidewall; the cavity between the outer side wall and the inner side wall of the ventilation ring (6) and the cavity between the antenna inner layer (7) and the antenna outer layer (8) are of a through structure, and gas is introduced into the through structure; a group of through holes are distributed on the antenna inner layer (7) at intervals;
the inclination angle of the pore canal of the through hole relative to the horizontal plane is adjusted in an angle range parallel to the horizontal plane and perpendicular to the antenna inner layer (7) according to the taper of the antenna inner layer (7);
the gas is nitrogen or inert gas.
2. The radar device for blast furnace measurement according to claim 1, wherein: the core shaft (5), the ventilation ring (6), the antenna inner layer (7) and the antenna outer layer (8) are centrosymmetric.
3. The radar device for blast furnace measurement according to claim 1, wherein: the antenna inner layer (7) and the antenna outer layer (8) are both of horn-shaped structures.
4. The radar device for blast furnace measurement according to claim 1, wherein: the rotating shaft (3) is connected with a speed reducer (9), and the speed reducer (9) is connected with a power device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175992.4A CN109765553B (en) | 2019-03-08 | 2019-03-08 | Radar device for blast furnace measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175992.4A CN109765553B (en) | 2019-03-08 | 2019-03-08 | Radar device for blast furnace measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109765553A CN109765553A (en) | 2019-05-17 |
| CN109765553B true CN109765553B (en) | 2024-03-05 |
Family
ID=66457941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910175992.4A Active CN109765553B (en) | 2019-03-08 | 2019-03-08 | Radar device for blast furnace measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109765553B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273272B (en) * | 2020-03-24 | 2020-10-23 | 北京金德创业测控技术有限公司 | 3D radar scanner for blast furnace burden surface imaging and blast furnace burden surface detection system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2141844A1 (en) * | 1971-06-12 | 1973-01-26 | Thyssen Huette Ag | Blast furnace charge level measuring appts - gives instant accurate measurements using radar |
| US4094494A (en) * | 1976-02-09 | 1978-06-13 | S. A. Des Anciens Etablissements Paul Wurth | Furnace charge profile measuring process and apparatus |
| JPH03264882A (en) * | 1989-04-27 | 1991-11-26 | Nkk Corp | Inner-furnace level gage and antenna used therefor |
| CN2442247Y (en) * | 2000-01-21 | 2001-08-08 | 曾征 | High accuracy raddr monitor for material storehouse level |
| CN200979439Y (en) * | 2006-11-27 | 2007-11-21 | 菅希顺 | A probe ruler for measuring the material height in a blast furnace |
| CN102142590A (en) * | 2011-03-22 | 2011-08-03 | 北京科技大学 | Self-cleaning microwave antenna with resistance to high temperature and corrosion |
| CN102864263A (en) * | 2012-10-22 | 2013-01-09 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN102912054A (en) * | 2012-11-13 | 2013-02-06 | 北京航空航天大学 | Device for measuring material surface by using blast furnace based on multiple input multiple output (MIMO) radar |
| CN205603619U (en) * | 2016-04-12 | 2016-09-28 | 天津市三特电子有限公司 | Blast furnace charge level radar scan 3D image device and monitored control system thereof |
| CN205808507U (en) * | 2016-06-20 | 2016-12-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of radar level gauge Test Cycle conversion equipment |
| CN210015232U (en) * | 2019-03-08 | 2020-02-04 | 南京众新信息科技有限公司 | Radar device for blast furnace measurement |
-
2019
- 2019-03-08 CN CN201910175992.4A patent/CN109765553B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2141844A1 (en) * | 1971-06-12 | 1973-01-26 | Thyssen Huette Ag | Blast furnace charge level measuring appts - gives instant accurate measurements using radar |
| US4094494A (en) * | 1976-02-09 | 1978-06-13 | S. A. Des Anciens Etablissements Paul Wurth | Furnace charge profile measuring process and apparatus |
| JPH03264882A (en) * | 1989-04-27 | 1991-11-26 | Nkk Corp | Inner-furnace level gage and antenna used therefor |
| CN2442247Y (en) * | 2000-01-21 | 2001-08-08 | 曾征 | High accuracy raddr monitor for material storehouse level |
| CN200979439Y (en) * | 2006-11-27 | 2007-11-21 | 菅希顺 | A probe ruler for measuring the material height in a blast furnace |
| CN102142590A (en) * | 2011-03-22 | 2011-08-03 | 北京科技大学 | Self-cleaning microwave antenna with resistance to high temperature and corrosion |
| CN102864263A (en) * | 2012-10-22 | 2013-01-09 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN102912054A (en) * | 2012-11-13 | 2013-02-06 | 北京航空航天大学 | Device for measuring material surface by using blast furnace based on multiple input multiple output (MIMO) radar |
| CN205603619U (en) * | 2016-04-12 | 2016-09-28 | 天津市三特电子有限公司 | Blast furnace charge level radar scan 3D image device and monitored control system thereof |
| CN205808507U (en) * | 2016-06-20 | 2016-12-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of radar level gauge Test Cycle conversion equipment |
| CN210015232U (en) * | 2019-03-08 | 2020-02-04 | 南京众新信息科技有限公司 | Radar device for blast furnace measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109765553A (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109765553B (en) | Radar device for blast furnace measurement | |
| CN210015232U (en) | Radar device for blast furnace measurement | |
| CN107727353A (en) | One kind exports adjustable cryonetic wind tunnel exhaust chimney | |
| CN1566903A (en) | Laser vision on-line automatic measuring method for tire multiple geometrical parameters | |
| CN109777904B (en) | Dustproof radar detection device | |
| CN113468655B (en) | High-speed boundary layer transition criterion calibration method and system based on flight test data | |
| CN210012867U (en) | Dustproof radar detection device | |
| CN105466425A (en) | Spherical inertial stabilization platform | |
| CN107546485A (en) | A kind of antenna and the communication base station using the antenna | |
| CN105353650B (en) | Foundation temporarily rushes formula Asia across the super preset aperture model method of across the flow field pressure regulator valve in wind-tunnel Asia | |
| CN207618458U (en) | The particle emission device of controlled speed angle and variable grain size | |
| CN102296529B (en) | Sliding spherical hinge base and method for using same in bridge lifting process | |
| CN106017317A (en) | Airborne antenna installation precision detection method and airborne antenna installation precision detection device | |
| CN101700571A (en) | Nozzle-shaped airflow guiding device used for cooling large-sized annular cast | |
| CN105508818B (en) | A kind of spherical inertial stabilized platform with triangle engraved structure | |
| CN202576254U (en) | Sleeve kiln lime cooling equipment | |
| CN108490218A (en) | Anemoclinograph field calibration system and method based on unmanned air vehicle technique | |
| CN210151157U (en) | Annealing furnace with flow guide cover | |
| CN207687183U (en) | Unmanned machine head special bearing | |
| CN208762414U (en) | A kind of limekiln air supply device | |
| CN109489866B (en) | Probe for measuring heat flow distribution of protruding block | |
| US9568345B2 (en) | Dust measurement system for filter | |
| CN106547013A (en) | A kind of ion source beam diagnostics subtended angle measuring instrument | |
| CN207180163U (en) | A kind of Quick uniform drying unit of alumina balls | |
| CN207096820U (en) | A kind of centring device for laser ranging of rotary kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210421 Address after: Room 302-1, Building 2, Changfeng Building, 14 Xinghuo Road, Jiangbei New District, Nanjing, Jiangsu Province, 210000 Applicant after: Nanjing Tiandai Information Technology Co.,Ltd. Address before: Room 133, Building D, 19 Limin West Road, Changlu Street, Jiangbei New District, Nanjing City, Jiangsu Province, 210000 Applicant before: NANJING ZHONGXIN INFORMATION TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240110 Address after: Room 201, No.1 Xinhu Avenue, Banqiao New City Management Committee, Yuhuatai District, Nanjing City, Jiangsu Province, 210000 Applicant after: Nanjing Zhenrui Zhongda Technology Co.,Ltd. Address before: Room 302-1, Building 2, Changfeng Building, 14 Xinghuo Road, Jiangbei New District, Nanjing, Jiangsu Province, 210000 Applicant before: Nanjing Tiandai Information Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |