CN113201616B - An air-cooled blast furnace distributor - Google Patents
An air-cooled blast furnace distributor Download PDFInfo
- Publication number
- CN113201616B CN113201616B CN202110586344.5A CN202110586344A CN113201616B CN 113201616 B CN113201616 B CN 113201616B CN 202110586344 A CN202110586344 A CN 202110586344A CN 113201616 B CN113201616 B CN 113201616B
- Authority
- CN
- China
- Prior art keywords
- air
- distributor
- cooling
- rotary drum
- blast furnace
- 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.)
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- 238000001816 cooling Methods 0.000 claims abstract description 61
- 238000005096 rolling process Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 10
- 239000000112 cooling gas Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
本发明属于高炉布料器风冷技术领域，涉及一种风冷高炉布料器，包括布料器本体、与布料器本体转动连接的旋转筒，所述旋转筒上设有冷却风道、送风装置；所述送风装置上设有进风口、出风口，所述进风口与布料器内腔相通；所述冷却风道一端与出风口连接，另一端与布料器内腔相通。本发明通过在布料器中设置送风装置与冷却风道，送风装置加速布料器内的氮气循环流动，同时通过冷却风道，将冷却气体定向引入指定位置，实现局部定点冷却，提高冷却效率。
The present invention belongs to the technical field of air cooling of blast furnace distributors, and relates to an air-cooled blast furnace distributor, comprising a distributor body, a rotating cylinder rotatably connected to the distributor body, the rotating cylinder being provided with a cooling air duct and an air supply device; the air supply device being provided with an air inlet and an air outlet, the air inlet being communicated with the inner cavity of the distributor; one end of the cooling air duct being connected with the air outlet, and the other end being communicated with the inner cavity of the distributor. The present invention arranges an air supply device and a cooling air duct in the distributor, the air supply device accelerates the circulation of nitrogen in the distributor, and at the same time, through the cooling air duct, the cooling gas is directed into a designated position, thereby realizing local fixed-point cooling and improving cooling efficiency.
Description
Technical Field
The invention belongs to the technical field of air cooling of blast furnace distributors, and relates to an air-cooled blast furnace distributor.
Background
The use of bell-less top distributors for blast furnaces has been known for nearly 50 years and is commonly referred to in China as a "water-cooled gearbox" or "air-tight box". At present, various types of distributors exist, and the common characteristic of the distributors is that the distributors have a rotary cylinder structure, the sealing of the rotary cylinder and the fixed part of the distributors is sealed by nitrogen, and meanwhile, the nitrogen can also be used as cooling gas. The rotary drum is a key transmission part of the blast furnace distributor, transmission parts on the rotary drum are positioned in a cavity of the distributor and are eroded by high-temperature gas of the blast furnace, and if the rotary drum and the parts mounted on the rotary drum are not cooled, the parts fail due to thermal deformation.
In the prior art, cooling gas is introduced into the distributor cavity to cool the distributor cavity, but the cooling gas cannot flow at a high speed, so that the heat exchange efficiency is very low, and the distributor rotating cylinder and parts on the distributor rotating cylinder cannot be effectively cooled. Later adopts the water-cooling structure, like the European patent with publication number EP0116142B1, and it adopts open water-cooling mode to cool off, sets up an annular water tank promptly in rotatory section of thick bamboo top, and the water inlet aims at the water tank and supplies water to be provided with detecting element such as fluviograph and carry out water level monitoring to annular water tank, prevent that water from spilling over and getting into distributing device inner chamber and blast furnace, water tank bottom and rotatory section of thick bamboo on need cooling position intercommunication, water is cooled off according to gravity direction downflow, and at last is discharged into a fixed annular basin of distributing device lower part and is discharged outside the distributing device through the pipeline. But has the following defects that dust easily enters a cooling water path, meanwhile, the cooling efficiency is lower due to low water flow speed, the energy consumption is higher, the water path is also often blocked by scaling, the water tank is also seriously deposited with dust, and the maintenance cost is higher.
For example, in chinese patent with publication number CN102483304B, an annular rotary joint is adopted to seal and reform an original annular water tank structure, a fixed loop and a rotary loop are provided, and a sealing structure is provided between the fixed loop and the rotary loop, so that pressurized water can enter the rotary cylinder to cool parts, and then return to the fixed loop, thereby forming closed water cooling, but the closed water cooling has a complex structure and high cost.
Disclosure of Invention
In view of the above, the invention aims to solve the problem of low cooling efficiency of a rotary drum of the conventional distributor and provide an air-cooled blast furnace distributor.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The air-cooled blast furnace distributor comprises a distributor body and a rotary drum which is rotationally connected with the distributor body, wherein a cooling air channel and an air supply device are arranged on the rotary drum, an air inlet and an air outlet are arranged on the air supply device, the air inlet is communicated with an inner cavity of the distributor, one end of the cooling air channel is connected with the air outlet, and the other end of the cooling air channel is communicated with the inner cavity of the distributor.
According to the basic scheme, the air supply device and the cooling air duct are arranged on the rotary drum, the air supply device sucks cooling nitrogen of the distributing device, circulation flow of the nitrogen in the inner cavity of the distributing device is accelerated, and the rotary drum is a high-heating part, the cooling nitrogen is directionally introduced into the rotary drum through the cooling air duct to cool the rotary drum, so that the cooling efficiency of the rotary drum is improved, and the air supply device can adopt forward and reverse rotation and can realize circulation cooling.
The air supply device comprises a fan, a fan shaft and a roller, wherein the fan is arranged on a rotary drum, one end of the fan shaft is connected with the fan, the other end of the fan shaft is connected with the roller, an annular roller path is further arranged in an inner cavity of the distributing device, the roller is in rolling connection with the annular roller path and drives the fan shaft to rotate, and the roller rolls on an annular roller way and drives the fan shaft to rotate, so that the fan is driven to rotate.
The rotary drum is arranged on the distributor body, the annular roller path is fixedly connected with the distributor body, the roller is driven by the rotary drum to roll on the annular roller path, and the rotary drum and the distributor body are utilized to rotate by taking the rotation of the rotary drum as power to drive the fan to rotate, so that a power source is not required to be independently provided for the air supply device.
Further, a power device is arranged on the distributing device body; the annular roller path is connected with the distributing device body or the rotating cylinder in a rotating way, the power device is connected with the annular roller path and drives the annular roller path to rotate, the power device drives the annular roller path to rotate so as to drive the fan to operate, the rotating direction of the annular roller path can be opposite to the rotating direction of the rotating cylinder, the rotating speed of the roller is improved, and nitrogen gas circulation cooling is accelerated.
Further, the roller surface is cylindrical or drum-shaped or tooth surface, the shape of the annular roller path is matched with that of the roller, the roller path and the roller surface can be made of friction enhancing materials or structures, such as rubber materials, and the surface is made of knurled structures with pits.
Further, the air supply device further comprises a speed changer, the fan shaft is connected with the fan through the speed changer, the speed changer is fixedly connected with the rotary cylinder, the rotating speed of the fan is increased through the speed changer, and the air flow is accelerated.
The distributor body comprises a driving device and a fixed shell, the rotary cylinder is rotationally connected with the fixed shell, and the driving device is arranged on the fixed shell and connected with the rotary cylinder to drive the rotary cylinder to rotate.
Furthermore, the cooling air duct is arranged on the outer wall of the rotary cylinder, a labyrinth structure is arranged in the cooling air duct, the contact area between cooling gas and the rotary cylinder is increased by the labyrinth structure, the cooling effect is further improved, and meanwhile, the sealing performance can be improved by the labyrinth structure.
The rotary drum is further provided with a chute assembly, the chute assembly comprises a chute and a trunnion, the trunnion is fixedly connected with the chute, the chute is arranged in the rotary drum and is rotationally connected with the rotary drum through the trunnion, the trunnion is internally provided with a cooling hole, the cooling hole is connected with an air outlet through a pipeline, the cooling hole is communicated with an inner cavity of the distributing device, and the trunnion is locally cooled through an air supply device due to higher temperature of the trunnion caused by rotary motion.
Further, the quantity of air supply arrangement is 1 at least, and air supply arrangement's quantity can be adjusted according to actual demand to promote the cooling effect.
The invention has the beneficial effects that:
1) According to the invention, the cooling nitrogen in the inner cavity of the distributing device is utilized, the air supply device and the cooling air duct are adopted to perform forced air cooling on the rotary drum, the cooling air flows at a high speed in the cooling air duct with the labyrinth structure, the heat exchange efficiency of the cooling air is improved, the circulating flow of the cooling nitrogen is accelerated, and the overall cooling efficiency of the distributing device is improved. And the directional and fixed-point cooling is realized aiming at the parts which are easy to generate heat, and the cooling effect is improved.
2) In the invention, the fan power source can directly adopt the rotation of the rotary drum as power without increasing the investment cost of the power source, the increased components are conventional and simple and have lower cost, and the fan can be driven by independent power, so that the fan can still normally run when the rotary drum does not rotate.
3) Compared with the existing water cooling structure, the invention has simple structure and easy implementation.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall structure of a distributor according to the present invention;
FIG. 2 is a partial cross-sectional view of A-A of FIG. 1;
FIG. 3 is an enlarged view of section I of FIG. 1;
FIG. 4 is a partial cross-sectional view of B-B of FIG. 2;
FIG. 5 is a schematic view of a roller vertical arrangement;
FIG. 6 is a schematic view of a cone roller vertical arrangement;
FIG. 7 is a schematic view of a cone roller horizontal orientation arrangement;
fig. 8 is a schematic view of a drum roller horizontal orientation arrangement.
The reference numerals comprise a 1-distributor body, a 2-rotary drum, a 3-air supply device, a 4-chute assembly, a 5-labyrinth structure, a 6-nitrogen port, a 7-driving device, an 8-distributor inner cavity, a 101-rotary driving gear, a 102-rotary drum support, a 103-tilting mechanism, a 104-fixed shell, a 105-fixed chassis, a 201-rotary drum, a 202-rotary drum chassis, a 301-annular roller path, a 302-roller, a 303-input shaft, a 304-speed changer, a 305-air inlet, a 306-fan shaft, a 307-fan, a 308-air outlet, a 309-air supply pipe, a 310-cooling air duct, a 311-cooling air duct outlet, a 312-cooling hole, a 401-trunnion and a 402-chute.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
In which the drawings are for illustrative purposes only and are not intended to be construed as limiting the invention, and in which certain elements of the drawings may be omitted, enlarged or reduced in order to better illustrate embodiments of the invention, and not to represent actual product dimensions, it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred devices or elements must have a specific direction, be constructed and operated in a specific direction, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present invention, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Example 1
Referring to fig. 1-4, an air-cooled blast furnace distributor comprises a distributor body 1, wherein a nitrogen port 6 is arranged on the distributor body 1, a cooling air duct 310 and an air supply device 3 are arranged on a rotary drum 2, an air inlet 305 and an air outlet 308 are arranged on the air supply device 3, the air outlet 308 is communicated with the cooling air duct 310 through an air supply pipe 309, the air inlet 305 is communicated with an inner cavity 8 of the distributor, the distributor body 1 comprises a driving device 7, a fixed shell 104 and the rotary drum 2, the rotary drum 2 is rotationally connected with the fixed shell 104, and the driving device 7 is arranged on the fixed shell 104 and drives the rotary drum 2 to rotate through a rotary driving gear 101.
In this embodiment, the rotary drum 2 includes a rotary drum 201 and a rotary drum chassis 202, the rotary drum 201 is rotationally connected with the fixed housing 104 through the rotary drum support 102, the rotary drum chassis 202 is welded at the bottom of the rotary drum 201, a cooling air duct 310 is installed on the rotary drum 201 and the rotary drum chassis 202, a labyrinth structure 5 is arranged in the middle of the cooling air duct 310, and a cooling air duct outlet 311 is communicated with the inner cavity 8 of the distributor.
In this embodiment, the air supply device 3 includes a fan 307, a fan shaft 306, and a roller 302, wherein the fan 307 is mounted on the rotary drum chassis 202, one end of the fan shaft 306 is connected with the fan 307, the other end is connected with the transmission 304, the roller 302 is fixedly mounted on the input shaft 303 of the transmission 304, the transmission 304 is fixedly mounted on the rotary drum 2, the fixed chassis 105 is welded at the lower part of the fixed housing 104, the annular roller path 301 is fixedly mounted on the fixed chassis 105, and the roller 302 is in rolling fit with the annular roller path 301 and drives the fan shaft 306 to rotate.
Referring to fig. 5-8, in the embodiment, the surface of the roller 302 is a cylindrical surface, a drum surface or a tooth surface, the shape of the annular roller path 301 is matched with that of the roller 302, a friction wheel transmission mode is adopted between the roller 302 and the annular roller path 301, rolling motion is realized between the roller 302 and the annular roller path 301 through friction resistance, various arrangement modes exist, and the axis of the roller 302 is vertical or horizontal.
In this embodiment, the distributing device body 1 is further provided with a chute assembly 4, the chute assembly 4 comprises a chute 402 and trunnions 401, the chute 402 is installed in the rotary cylinder 201 and is installed at the lower part of the rotary cylinder 201 through the two trunnions 401, the driving device 7 drives the chute 402 to rotate around the central axis A1 of the trunnion 401 by a limited angle through the tilting mechanism 103, the trunnion 401 is provided with a cooling hole 312, the cooling hole 312 is communicated with the air outlet 308 through an air supply pipe 309 to cool the trunnion 401, and the cooling hole 312 is communicated with the inner cavity 8 of the distributing device.
Example 2
The difference between this embodiment and embodiment 1 is that the annular roller 301 is rotatably mounted on the fixed chassis 105 through a rotary bearing, a gear is disposed on the outer circumference of the annular roller 301, and a motor is further mounted on the fixed chassis 105 and drives the annular roller 301 to rotate through the gear.
When the rotary drum 2 does not rotate, the motor can drive the annular roller path 301 to rotate, so that the roller 302 is driven to rotate through friction, and the fan 307 can continuously run.
Example 3
The difference between this embodiment and embodiment 2 is that the annular roller 301 is rotatably mounted on the rotary drum 2 through a rotary bearing, and a motor is mounted on the fixed chassis 105, and the motor drives the annular roller 301 to rotate, so that the roller 302 is driven to rotate through friction, and the fan 307 is continuously operated.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (8)
1. The air-cooled blast furnace distributor comprises a distributor body and a rotary drum rotationally connected with the distributor body, and is characterized in that a cooling air duct and an air supply device are arranged on the rotary drum, an air inlet and an air outlet are arranged on the air supply device, the air inlet is communicated with an inner cavity of the distributor, one end of the cooling air duct is connected with the air outlet, the other end of the cooling air duct is communicated with the inner cavity of the distributor, the air supply device comprises a fan, a fan shaft and a roller, the fan is arranged on the rotary drum, one end of the fan shaft is connected with the fan, the other end of the fan shaft is connected with the roller, an annular roller way is further arranged in the inner cavity of the distributor, and the roller is in rolling connection with the annular roller way and drives the fan shaft to rotate;
The distributor body comprises a driving device and a fixed shell, the rotary cylinder is rotationally connected with the fixed shell, and the driving device is arranged on the fixed shell and connected with the rotary cylinder to drive the rotary cylinder to rotate.
2. The air-cooled blast furnace distributor according to claim 1, wherein the annular roller path is fixedly connected with the distributor body, and the rollers are driven by the rotary drum to roll on the annular roller path.
3. The air-cooled blast furnace distributor according to claim 1, wherein the distributor body is further provided with a power device, the annular roller path is rotatably connected with the distributor body or the rotary cylinder, and the power device is connected with the annular roller path and drives the annular roller path to rotate.
4. The air-cooled blast furnace distributor according to claim 1, wherein the roller surface is a cylindrical surface, a drum surface or a tooth surface, and the annular roller path is matched with the roller in shape.
5. The air-cooled blast furnace distributor according to claim 1, wherein the air supply device further comprises a speed changer, the fan shaft is connected with the fan through the speed changer, and the speed changer is fixedly connected with the rotary cylinder.
6. The air-cooled blast furnace distributor according to claim 1, wherein the cooling air channel is arranged on the outer wall of the rotary drum, and a labyrinth structure is arranged in the cooling air channel.
7. The air-cooled blast furnace distributor according to claim 1, wherein the rotary drum is further provided with a chute assembly, the chute assembly comprises a chute and a trunnion, the trunnion is fixedly connected with the chute, the chute is arranged in the rotary drum and is rotationally connected with the rotary drum through the trunnion, cooling holes are formed in the trunnion and are connected with an air outlet through a pipeline, and the cooling holes are communicated with an inner cavity of the distributor.
8. The air-cooled blast furnace distributor according to claim 1, wherein the number of the air supply devices is at least 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586344.5A CN113201616B (en) | 2021-05-27 | 2021-05-27 | An air-cooled blast furnace distributor |
| PCT/CN2021/120565 WO2022247077A1 (en) | 2021-05-27 | 2021-09-26 | Air-cooled blast furnace distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586344.5A CN113201616B (en) | 2021-05-27 | 2021-05-27 | An air-cooled blast furnace distributor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113201616A CN113201616A (en) | 2021-08-03 |
| CN113201616B true CN113201616B (en) | 2025-01-24 |
Family
ID=77023255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110586344.5A Active CN113201616B (en) | 2021-05-27 | 2021-05-27 | An air-cooled blast furnace distributor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113201616B (en) |
| WO (1) | WO2022247077A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201616B (en) * | 2021-05-27 | 2025-01-24 | 中冶赛迪工程技术股份有限公司 | An air-cooled blast furnace distributor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253903A (en) * | 1998-11-16 | 2000-05-24 | 保尔·沃特公司 | Material distributing equipment with rotary chute capable of changing oblique angle |
| CN214781936U (en) * | 2021-05-27 | 2021-11-19 | 中冶赛迪工程技术股份有限公司 | An air-cooled blast furnace distributor |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1431566A (en) * | 1973-04-18 | 1976-04-07 | Armco Steel Corp | Furnace feeding apparatus |
| LU84521A1 (en) * | 1982-12-10 | 1984-10-22 | Wurth Paul Sa | COOLING DEVICE FOR A LOADING INSTALLATION OF A TANK OVEN |
| LU87948A1 (en) * | 1991-06-12 | 1993-01-15 | Wurth Paul Sa | DEVICE FOR COOLING A DISTRIBUTION CHUTE OF A LOADING INSTALLATION OF A TANK OVEN |
| LU88399A1 (en) * | 1993-09-01 | 1995-04-05 | Wurth Paul Sa | Distribution chute for installation in an oven |
| KR100496567B1 (en) * | 2002-12-02 | 2005-06-28 | 주식회사 포스코 | An Emergency Nitrogen Gas Filling Equipment to Cooling Plate of Blast Furnace |
| RU2374325C2 (en) * | 2007-12-28 | 2009-11-27 | Открытое акционерное общество "Гипромез" | Distributor of charge of load device of blast furnace |
| LU91601B1 (en) * | 2009-08-26 | 2012-09-13 | Wurth Paul Sa | Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore |
| CN101935725B (en) * | 2010-09-16 | 2012-02-01 | 中冶赛迪工程技术股份有限公司 | Layered hanging cloth device |
| US20120148373A1 (en) * | 2010-12-13 | 2012-06-14 | Woodings Industrial Corporation | Hydraulic distributor for top charging a blast furnace |
| CN202613993U (en) * | 2012-05-17 | 2012-12-19 | 中冶长天国际工程有限责任公司 | Circular cooler and circular air flue end portion sealing device and support assembly thereof |
| CN108955275B (en) * | 2017-05-23 | 2023-07-04 | 中冶长天国际工程有限责任公司 | Vertical sinter cooler with chute type distributor and sinter cooling method |
| CN207828336U (en) * | 2017-11-21 | 2018-09-07 | 秦皇岛秦冶重工有限公司 | Blast-furnace distributor |
| CN113201616B (en) * | 2021-05-27 | 2025-01-24 | 中冶赛迪工程技术股份有限公司 | An air-cooled blast furnace distributor |
-
2021
- 2021-05-27 CN CN202110586344.5A patent/CN113201616B/en active Active
- 2021-09-26 WO PCT/CN2021/120565 patent/WO2022247077A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253903A (en) * | 1998-11-16 | 2000-05-24 | 保尔·沃特公司 | Material distributing equipment with rotary chute capable of changing oblique angle |
| CN214781936U (en) * | 2021-05-27 | 2021-11-19 | 中冶赛迪工程技术股份有限公司 | An air-cooled blast furnace distributor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113201616A (en) | 2021-08-03 |
| WO2022247077A1 (en) | 2022-12-01 |
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