CN210525421U - Short-radiation heat accumulating type heating furnace burner nozzle mold - Google Patents
Short-radiation heat accumulating type heating furnace burner nozzle mold Download PDFInfo
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- CN210525421U CN210525421U CN201920835410.6U CN201920835410U CN210525421U CN 210525421 U CN210525421 U CN 210525421U CN 201920835410 U CN201920835410 U CN 201920835410U CN 210525421 U CN210525421 U CN 210525421U
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- heating furnace
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- nozzle
- nozzle mold
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Abstract
The utility model belongs to the technical field of the thermal technology, a short radiation regenerative heating stove burner is disclosed, this mould includes nozzle mold cavity, and nozzle mold cavity is two half structures, and two nozzle mold cavity's bottom inboard is fixed, forms the space between the two nozzle mold cavity, and the top of two nozzle mold cavity is connected with the spout body that the slope set up, and the top of spout body is equipped with the spout, and the inclination α of spout body is 22.5.
Description
Technical Field
The utility model relates to a thermal technology field, concretely relates to short radiation heat accumulation formula heating furnace burner nozzle.
Background
In the production of bars, the heat-accumulating type heating furnace burner directly determines the heating capacity of the heating furnace and the service life of a furnace wall, the cross mixed combustion angle of the air flow of one crossed nozzle and the gas flow of the other crossed nozzle of the burner on the same side is too small, high-temperature flame is directly blown to the opposite furnace wall, high-temperature waste gas on the opposite furnace wall is subjected to long-term high-frequency washing, and the service life is obviously shortened; if the cross mixed combustion angle is too big, flame burns around same side brickwork, causes the brickwork to detect thermocouple temperature distortion, and the steel billet heating is uneven, and the steel billet tip is great with middle difference in temperature, leads to heating quality accident or rolling mill scaling loss trouble, is unfavorable for stabilizing production and rolling cost management and control, and prior art can't solve above-mentioned technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a short radiation regenerative heating furnace nozzle mould with simple structure and high efficiency in order to solve the problem existing in the regenerative heating furnace burner nozzle in the prior art.
The utility model provides a short radiation regenerative heating furnace nozzle mould, includes two nozzle mould inner chambers, and the bottom of two nozzle mould inner chambers is inboard fixed, forms the space between two nozzle mould inner chambers, and the top of two nozzle mould inner chambers is connected with the spout body that the slope set up, and the top of spout body is equipped with the spout, and the inclination α of spout body is 22.5.
Furthermore, a reinforcing beam is arranged between the upper parts of the spout bodies.
Further, the angles between the two sides of the gap and the center line are both 11-12 degrees.
Further, the inner cavity of the burner die and the nozzle body are both made of steel plates with the thickness of 2 mm.
Further, the reinforcing beam is a steel plate and is welded with the side of the spout body.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses a short radiation heat accumulation formula heating furnace nozzle mould is through the field test, simulate crossing air current mixing angle, gas pressure, flame burning rate, thermal radiation intensity and high temperature flue gas diffusion rate, combine heat accumulation formula nozzle switching-over cycle, calculate the interior flow field of stove, the temperature field, through the trial and error argument, the inclination α of the haplopore spout body on the final determination nozzle mould inner chamber is 22.5, through this item angle design, heating furnace heat supply capacity improves, blast furnace gas consumption ring ratio descends 0.03GJ/t, steel billet head-to-tail temperature difference control is within 50 ℃, make this nozzle slant cross air flow according to spout apart from central line angle 22.5 jiaos and adjacent nozzle slant cross gas flow according to spout apart from central line angle 22.5 jiaos at the mixed combustion of 2.5 meters of furnace wall department of furnace wall, heating radiation diffusion to 6.6 meters furnace width whole region, improve the interior heat radiation of stove, be convenient for to the switching-over in-process simultaneously and discharge fume, the work efficiency of heating furnace heat exchange.
The utility model discloses a be equipped with the stiffening beam between the upper portion of spout body for strengthen the intensity of spout body, prevent to warp when ramming.
The angle between the two sides of the gap and the central line of the utility model is 11-12 degrees. The function of setting this gap is: the gap is filled with the ramming mass to improve the overall strength of the burner, and secondly: when the high-temperature blocking bricks are arranged in the inner cavity of the burner, the high-temperature blocking bricks are fixed to play a supporting role.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
The reference numerals have the following meanings: 1. a mouth mold cavity; 2. a spout body; 3. a spout; 4. a reinforcing beam; 5. a void.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-2, a short-radiation regenerative heating furnace burner die comprises a burner die inner cavity 1, wherein the burner die inner cavity 1 is of a two-half structure to form two burner die inner cavities 1, the inner sides of the bottoms of the two burner die inner cavities 1 are welded, a gap 5 is formed between the two burner die inner cavities 1, the angles between the two sides of the gap 5 and a central line are 11-12 degrees, the top of each burner die inner cavity 1 is connected with a nozzle body 2 which is obliquely arranged, the top of each nozzle body 2 is provided with a nozzle 3, the inclination angle α of each nozzle body 2 is 22.5 degrees, a reinforcing beam 4 is arranged between the upper parts of the two nozzle bodies 2, the burner die inner cavities 1 and the nozzle bodies 2 are made of steel plates with the thickness of 2mm, and the reinforcing beam 4 is made of steel plates with the thickness of 2mm and welded with the side parts of.
After the mold is manufactured, the air nozzle and the gas nozzle enter the nozzle through the nozzle inner cavity 1, air flow and gas flow are obliquely sprayed out according to the angle of 22.5 degrees of the short radiation type burner, mixed combustion flame is ensured to be positioned at the position of 2.5 meters of the furnace wall according to the actual test condition on site, and heat radiates the whole hearth, so that the furnace walls on two sides can be protected from flame washing, and the purpose of rapidly heating square billets can be met. When the die is installed, the inner cavity 1 of the burner die is firstly arranged on one surface of the original inner cavity of the burner and contacted with the inner blocking brick of the burner, the cross center point is superposed with the center point of the burner, the four corners of the inner cavity 1 of the burner die are consistent with the four corners of the inner cavity of the burner, after the position is calibrated, the inner cavity 1 of the burner die is fixed from the opening of the inner cavity of the burner outside the burner, the fixing method can be flexibly applied according to the field, the inner cavity is mainly welded on a steel plate of a shell of the burner, and the support of the fixed die plate ensures that. After the die is firmly fixed, the horizontal vertical positions inside and outside the opening of the nozzle 3 and the inner cavity of the die are corrected, so that the end surfaces of the two nozzles 3 are consistent with the horizontal plane of the furnace wall, and the dislocation phenomenon can not occur, thereby completing the installation of the whole burner die. When in tamping, the material is tamped into the furnace from the inner cavity of the burner, the material is evenly distributed, a high-pressure air tamping hammer is used for tamping for three times from top to bottom and from left to right, and the surface is treated by hair scraping after the tamping. And when the die is removed, the ramming operation is finished for more than 24 hours, the initial setting strength of the ramming material reaches about 70%, the cutting gun is used for cutting the die steel plate, the cut die steel plate is removed piece by piece, and the die removing operation is completed.
Claims (5)
1. The short-radiation regenerative heating furnace burner die is characterized by comprising two burner die inner cavities (1), wherein the inner sides of the bottoms of the two burner die inner cavities (1) are fixed, a gap (5) is formed between the two burner die inner cavities (1), the tops of the two burner die inner cavities (1) are connected with a nozzle body (2) which is obliquely arranged, a nozzle (3) is arranged at the top of the nozzle body (2), and the inclination angle α of the nozzle body (2) is 22.5 degrees.
2. The short-radiation regenerative heating furnace burner mold according to claim 1, characterized in that: a reinforcing beam (4) is arranged between the upper parts of the two spout bodies (2).
3. The short-radiation regenerative heating furnace burner mold according to claim 1, characterized in that: the angles between the two sides of the gap (5) and the center line are both 11-12 degrees.
4. The short-radiation regenerative heating furnace burner mold according to claim 1, characterized in that: the burner die inner cavity (1) and the nozzle body (2) are both made of steel plates with the thickness of 2 mm.
5. The short-radiation regenerative heating furnace burner mold according to claim 2, characterized in that: the reinforcing beam (4) is a steel plate and is welded with the side part of the nozzle body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835410.6U CN210525421U (en) | 2019-06-04 | 2019-06-04 | Short-radiation heat accumulating type heating furnace burner nozzle mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920835410.6U CN210525421U (en) | 2019-06-04 | 2019-06-04 | Short-radiation heat accumulating type heating furnace burner nozzle mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210525421U true CN210525421U (en) | 2020-05-15 |
Family
ID=70595148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920835410.6U Expired - Fee Related CN210525421U (en) | 2019-06-04 | 2019-06-04 | Short-radiation heat accumulating type heating furnace burner nozzle mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210525421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812191A (en) * | 2022-03-09 | 2022-07-29 | 五冶集团上海有限公司 | Construction method for refractory ramming material of burner channel of roasting furnace |
-
2019
- 2019-06-04 CN CN201920835410.6U patent/CN210525421U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812191A (en) * | 2022-03-09 | 2022-07-29 | 五冶集团上海有限公司 | Construction method for refractory ramming material of burner channel of roasting furnace |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |