CN111440911A - Movable distributing device arranged on blast furnace - Google Patents
Movable distributing device arranged on blast furnace Download PDFInfo
- Publication number
- CN111440911A CN111440911A CN202010246673.0A CN202010246673A CN111440911A CN 111440911 A CN111440911 A CN 111440911A CN 202010246673 A CN202010246673 A CN 202010246673A CN 111440911 A CN111440911 A CN 111440911A
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- China
- Prior art keywords
- blast furnace
- feeding
- driving
- longitudinal
- distributing device
- 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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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000010146 3D printing Methods 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims description 14
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 4
- 239000008188 pellet Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 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
- C21B7/18—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
- C21B7/24—Test rods or other checking devices
Abstract
The invention discloses a movable distributing device arranged on a blast furnace, which comprises a supporting frame erected at the top of the blast furnace, wherein a longitudinal driving mechanism is arranged on the supporting frame, a transverse driving mechanism is arranged on a driving part of the longitudinal driving mechanism through a transverse driving frame, a feeding conical hopper from top to bottom is arranged in a main body of the distributing device, a lower port of the feeding hopper is connected with one end of a feeding pipe, the other end of the feeding pipe is communicated with an upper port of the blast furnace, the shape and the size of the upper port of the feeding hopper are in a range of a raw material falling point of a raw material fixing and conveying device, and the shape and the size of the upper port of the feeding hopper are in a range of the raw material falling point of the distributing device; the material is thrown into the blast furnace from the upper end of the main body of the distributing device through the feeding cone hopper and the feeding pipe, the distributing device is driven by the transverse driving mechanism and the longitudinal driving mechanism to be thrown to the set positions in the blast furnace, and the feeding amount of the set positions can be controlled through the set feeding time of each set position, so that the 3D printing type feeding layout is formed.
Description
Technical Field
The invention relates to the technical field of blast furnace top equipment, in particular to a movable distributing device arranged on a blast furnace.
Background
The blast furnace is the main body of the blast furnace iron-making process, iron ore, fuel and solvent are charged from the upper part of the furnace body, air is blown from the lower part to burn the fuel, a large amount of high-temperature reducing gas is generated to move upwards, and the furnace burden is subjected to a series of physical and chemical processes such as heating, reduction, melting, slagging and the like in the descending process to finally generate liquid slag and pig iron.
The proportion, the placing position and the distribution mode of the materials have important influence on the operation of the blast furnace, and the accurate material distribution has important significance on the operation of the blast furnace. In the prior art, the material flow is controlled by the opening degree of a material flow regulating valve on a bell-less furnace top to control the material speed, and the material distribution position is controlled by the tilting and rotation of a distribution chute, wherein the chute is controlled in a weight and time mode.
The weight mode is characterized in that after a preset material distribution matrix is read, data in the matrix are converted into weight parameters, and materials with set weight are placed at set positions during material distribution. In the time mode, after a preset distribution matrix is read, data in the matrix are converted into the number of rotation turns, and the preset number of turns is rotated at a set angle during distribution, so that the purpose of distributing materials with specific weight at a specific position is achieved.
In practical application, because the weight mode can more accurately lay out the materials, the weight mode is adopted in most cases in production, but the stability of the weighing equipment in the weight mode is very dependent, and in practical production, the pressure of the blast furnace changes, the materials on the charging bucket are stacked, the weighing stability is often influenced, and the material distribution is unstable. The time mode is independent of the weighing equipment, however, the traditional time mode controls the material distribution according to the number of turns, the precision is poor, the form of a distribution matrix is limited, and the effective value must be a reasonable natural number.
In addition, the discharge ports of the existing distributing devices are all arranged at fixed positions, and the purpose of putting materials into the set positions in the blast furnace is achieved through the rotation of the chute and the change of the inclination angle of the chute. However, the feeding mode cannot achieve accurate control, and the materials are distributed and fed into the blast furnace in an assumed mode.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a blast furnace distributor with a movable feeding port, which is simple in structure, convenient to operate, high in automation degree and accurate in control and can be used for feeding materials into a blast furnace according to an arbitrarily set feeding layout structure.
In order to achieve the purpose, the technical scheme of the invention is to provide a movable distributing device arranged on a blast furnace, which comprises a supporting frame erected at the top of the blast furnace, wherein a longitudinal driving mechanism is arranged on the supporting frame, a transverse driving mechanism is arranged on a driving part of the longitudinal driving mechanism through a transverse driving frame or a transverse driving plate, a distributing device is arranged on a driving part of the transverse driving mechanism through a distributing device driving frame or a distributing device driving plate, a feeding conical hopper from top to bottom is arranged in a main body of the distributing device, a lower port of the feeding hopper is connected with one end of a feeding pipe, the other end of the feeding pipe is communicated with an upper port of the blast furnace, the shape and the size of the upper port of the feeding hopper are in the range of a raw material falling point of raw material fixing and conveying equipment, and the shape and the size of the upper port of the feeding hopper are in accordance; the material is thrown into the blast furnace through the feeding cone hopper and the feeding pipe from the upper end of the main body of the distributing device, and is thrown into the blast furnace from the feeding port at the lower end of the feeding pipe, the distributing device can be driven by the transverse driving mechanism and the longitudinal driving mechanism to feed the material to the set positions in the blast furnace according to the feeding distribution requirements, and the feeding amount of the set positions can be controlled through the set feeding time of each set position, so that the 3D printing type feeding layout is formed.
In order to facilitate the feeding of different materials into the blast furnace respectively or simultaneously according to the feeding layout requirements and improve the feeding efficiency, the preferred technical scheme is that 2-3 raw material fixed conveying devices are arranged at the upper end of the distributing device and are respectively used for feeding sintered ores, pellets and solvents into the blast furnace.
In order to ensure that the feeding port of the distributing device can flexibly move along the transverse direction (X direction), simplify a driving mechanism and fix the feeding port of a feeding pipe on a frame or a plate surface so that the feeding port cannot swing randomly, the further preferable technical proposal is that the transverse driving mechanism comprises a transverse driving nut, one side of the transverse driving nut is connected with a distributing device driving frame or a distributing device driving plate, a screw hole of the transverse driving nut is in threaded fit with a transverse screw rod, two ends of the transverse screw rod are connected with the transverse driving frame or the transverse driving plate through a bearing and a bearing seat, wherein one end of the transverse screw rod is connected with a transverse driving motor which is connected with a transverse driving frame or a transverse driving plate through a base, and a transverse guide block is arranged on the other side of the transverse driving nut and is in sliding fit with a transverse guide groove arranged on the transverse driving frame or the transverse driving plate.
In order to ensure that the distributing device can flexibly move along the longitudinal direction (Y direction), simplify a driving mechanism, and fix a transverse driving frame or a transverse driving plate on a longitudinal driving frame or a longitudinal driving plate surface to enable the transverse driving frame or the longitudinal driving plate to stably move, the preferable technical scheme is that the longitudinal driving mechanism comprises a longitudinal driving nut, one side of the longitudinal driving nut is connected with the bottom of the transverse driving frame or the transverse driving plate, a screw hole of the longitudinal driving nut is in threaded fit with a longitudinal screw rod, two ends of the longitudinal screw rod are connected with a supporting frame through a bearing and a bearing seat, one end of the longitudinal screw rod is connected with a longitudinal driving motor, the longitudinal driving motor is connected with the supporting frame through a base, a longitudinal guide block is arranged on the other side of the longitudinal driving nut, and the longitudinal guide block is in sliding fit with a longitudinal.
Because the size and the weight of the distributing device, the feeding pipe, the transverse driving mechanism and the longitudinal driving mechanism are large, in order to ensure the safe and stable operation of each driving mechanism and the feeding pipe, the further preferable technical scheme is that the transverse driving mechanism and the longitudinal driving mechanism are respectively and symmetrically provided with two sets.
In order to control the position of the distributing device to move flexibly and quickly and control the moving speed or the staying time of the feeding port, the further preferable technical scheme is that the transverse driving motor and the longitudinal driving motor are servo motors, and each servo motor is electrically connected with the P L C controller.
In order to facilitate the control of the feeding time of the feeding port and the feeding stop time, a ball valve is mounted on the feeding pipe, one end of the ball valve is connected with a ball valve switch control servo motor, and the ball valve switch control servo motor is electrically connected with a P L C controller.
In order to reduce the overall weight of the distributor support frame, the transverse driving mechanism and the longitudinal driving mechanism and simultaneously enable the distributor support frame, the transverse driving mechanism and the longitudinal driving mechanism to have good high-temperature resistance and corrosion resistance, a further preferable technical scheme is that the support frame, the transverse driving frame or the transverse driving plate is made of carbon fibers, or a carbon fiber layer is attached to the surface of the support frame, the transverse driving frame or the transverse driving plate.
In order to reduce the overall structural size of the support frame and firmly fix the support frame on the top of the blast furnace, a further preferred technical scheme is that the support frame is directly supported on the top of the blast furnace or the support frame is directly supported on the ground.
In order to monitor the condition of charging the furnace burden into the blast furnace at any time and adjust the charging scheme at any time, a camera and/or an ultrasonic detector electrically connected with the P L C controller are arranged at the bottom of the support frame.
The movable distributing device has the advantages and beneficial effects that the movable distributing device arranged on the blast furnace has the characteristics of simple structure, convenience in operation, high automation degree, accurate control of feeding amount in the feeding direction, capability of feeding materials into the blast furnace according to an arbitrarily set feeding layout structure and the like. Different materials can be thrown into the blast furnace in a 3D printing mode, and the feeding mode thoroughly changes the feeding mode of chute selective loading and chute pitch angle adjustment in the prior art.
Drawings
Fig. 1.1, 1.2 and 1.3 are schematic sectional structural views of a movable distributor arranged on a blast furnace in a state of 3 positions;
2.1, 2.2 and 2.3 are schematic structural diagrams of the movable distributor arranged on the blast furnace in a top view and a cross section in 3 positions;
3.1, 3.2 are schematic front and top views of the lateral drive mechanism of FIG. 1;
fig. 4.1 and 4.2 are schematic front and top views of the longitudinal driving mechanism in fig. 1.
The automatic feeding device comprises a blast furnace 1, a blast furnace 2, a distributor driving frame 2.1, a support frame 3, a longitudinal driving mechanism 4, a longitudinal driving nut 4.1, a longitudinal lead screw 4.2, a longitudinal driving frame 4.3, a longitudinal guide block 4.4, a longitudinal guide groove 4.5, a transverse driving mechanism 5.1, a transverse driving nut 5.2, a transverse lead screw 5.3, a transverse driving frame 5.4, a transverse driving motor 5.5, a transverse guide block 5.6, a transverse guide groove 6, a feeding cone hopper 7, a feeding pipe 8, a raw material fixing and conveying device 9, a P L C controller 10, a ball valve 11, a ball valve switch control servo motor 12 and a camera.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in figures 1.1-4.2, the invention is a movable distributing device 2 arranged on a blast furnace 1, which comprises a supporting frame 3 erected on the top of the blast furnace 1, a longitudinal driving mechanism 4 arranged on the supporting frame 3, a transverse drive mechanism 5 is arranged on the drive part of the longitudinal drive mechanism 4 by means of a transverse drive frame or a transverse drive plate, a distributing device 2 is arranged on a driving part of a transverse driving mechanism 5 through a distributing device driving frame or a distributing device driving plate, a feeding conical hopper 6 from top to bottom is arranged in a main body of the distributing device 2, a lower port of the feeding hopper 6 is connected with one end of a feeding pipe 7, the other end of the feeding pipe 7 is communicated with an upper port of the blast furnace 1, the shape and the size of the upper port of the feeding hopper 6 are such that the distributing device moves to any limit position, and the upper port of the feeding hopper 6 is within the range of a raw material falling point of a raw material fixing and conveying device 8; the material is put into the blast furnace 1 from the main body upper end of the distributing device 2 through the feeding cone hopper 6 and the feeding pipe 7, and is put into the blast furnace 1 from the feeding port at the lower end of the feeding pipe 7, and the distributing device 2 can feed the material to the set position in the blast furnace 1 according to the feeding distribution demand under the drive of the transverse driving mechanism 5 and the longitudinal driving mechanism 4, and can control the feeding amount of the set position through the set feeding time at each set position, thereby forming the 3D printing type feeding layout.
In order to facilitate the separate or simultaneous feeding of different materials into the blast furnace according to the feeding layout and to improve the feeding efficiency, the preferred embodiment of the present invention is that 2-3 raw material fixed conveying devices 8 are arranged at the upper end of the distributor 2 and are respectively used for feeding the sintered ore, the pellet and the solvent into the blast furnace.
In order to ensure that the feeding port of the distributing device 2 can move flexibly along the transverse direction (X direction), simplify a driving mechanism and fix the feeding port of the feeding pipe 7 on a frame or a plate surface so that the feeding port cannot swing freely, the further preferable embodiment of the invention is that the transverse driving mechanism 5 comprises a transverse driving nut 5.1, one side of the transverse driving nut 5.1 is connected with the distributing device driving frame 2.1, a screw hole of the transverse driving nut 5.1 is in threaded fit with a transverse screw rod 5.2, two ends of the transverse screw rod 5.2 are connected with the transverse driving frame 5.3 through a bearing and a bearing seat, wherein one end of the transverse screw rod 5.2 is connected with a transverse driving motor 5.4, the transverse driving motor 5.4 is connected with a transverse driving frame 5.3 through a base, a transverse guide block 5.5 is arranged on the other side of the transverse driving nut 5.1, and the transverse guide block 5.5 is in sliding fit with a transverse guide groove 5.6 arranged on the transverse driving frame 5.3.
In order to ensure that the distributing device 2 can flexibly move along the longitudinal direction (Y direction), simplify a driving mechanism and fix the transverse driving frame 5.3 on a longitudinal driving part to enable the transverse driving part to stably move, the further preferable embodiment of the invention is that the longitudinal driving mechanism 4 comprises a longitudinal driving nut 4.1, one side of the longitudinal driving nut 4.1 is connected with the bottom of the transverse driving frame 5.3, a screw hole of the longitudinal driving nut 4.1 is in threaded fit with a longitudinal screw rod 4.2, two ends of the longitudinal screw rod 4.2 are connected with a supporting frame 3 through a bearing and a bearing seat, one end of the longitudinal screw rod 4.2 is connected with a longitudinal driving motor 4.3, the longitudinal driving motor 4.3 is connected with the supporting frame 3 through a base, the other side of the longitudinal driving nut 4.1 is provided with a longitudinal guide block 4.4, and the longitudinal guide block 3 is in sliding fit with a longitudinal guide groove 4.5 arranged on the supporting frame.
Because the size and the weight of the distributing device 3, the feeding pipe 7, the transverse driving mechanism 5 and the longitudinal driving mechanism 4 are larger, in order to ensure the safe and stable operation of each driving mechanism and the feeding pipe 7, the further preferable embodiment of the invention is that the transverse driving mechanism 5 and the longitudinal driving mechanism 4 are respectively and symmetrically provided with two sets.
In order to facilitate the control of the position of the distributing device 2, the movement is flexible and fast, and the moving speed or the residence time of the feeding port is convenient to control, in a further preferred embodiment of the invention, the transverse driving motor 5.4 and the longitudinal driving motor 4.3 are servo motors, and each servo motor is electrically connected with the P L C controller 9.
In order to control the feeding time of the feeding port and the feeding stopping time, the feeding pipe 7 is provided with a ball valve 10, one end of the ball valve 10 is connected with a ball valve switch control servo motor 11, and the ball valve switch control servo motor 11 is electrically connected with a P L C controller 9.
In order to reduce the overall weight of the support frame 3, the transverse driving mechanism 5 and the longitudinal driving mechanism 4 of the distributing device 2 and to provide good high temperature resistance and corrosion resistance, it is a further preferred embodiment of the present invention that the support frame 3 and the transverse driving frame 5.3 are made of carbon fiber or a carbon fiber layer is attached to the surface of the support frame 3 and the transverse driving frame 5.3.
In order to facilitate the reduction of the overall structural size of the support frame 3 and to enable the support frame 3 to be firmly fixed to the top of the blast furnace 1, it is also a further preferred embodiment of the present invention that said support frame 3 is directly supported on the top of the blast furnace 1, or that said support frame 3 is directly supported on the ground.
In order to monitor the charging condition of the charging material into the blast furnace 1 at any time and to adjust the charging scheme at any time, a further preferred embodiment of the present invention is to provide a camera 12 and/or an ultrasonic detector electrically connected to the P L C controller 9 at the bottom of the supporting frame 3.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A movable distributing device arranged on a blast furnace is characterized by comprising a supporting frame erected at the top of the blast furnace, wherein a longitudinal driving mechanism is arranged on the supporting frame, a transverse driving mechanism is arranged on a driving part of the longitudinal driving mechanism through a transverse driving frame or a transverse driving plate, a distributing device is arranged on a driving part of the transverse driving mechanism through a distributing device driving frame or a distributing device driving plate, a feeding conical hopper from top to bottom is arranged in a main body of the distributing device, a lower port of the feeding hopper is connected with one end of a feeding pipe, the other end of the feeding pipe is communicated with an upper port of the blast furnace, the shape and the size of the upper port of the feeding hopper are in a mode that the distributing device moves to any limit position, and the upper port of the feeding hopper is in the range of a raw material falling point of a raw material fixing and conveying device; the material is thrown into the blast furnace through the feeding cone hopper and the feeding pipe from the upper end of the main body of the distributing device, and is thrown into the blast furnace from the feeding port at the lower end of the feeding pipe, the distributing device can be driven by the transverse driving mechanism and the longitudinal driving mechanism to feed the material to the set positions in the blast furnace according to the feeding distribution requirements, and the feeding amount of the set positions can be controlled through the set feeding time of each set position, so that the 3D printing type feeding layout is formed.
2. The mobile distributor installed on the blast furnace as claimed in claim 1, wherein 2-3 fixed material conveying devices are installed at the upper end of the distributor for delivering the sintered ore, pellet and solvent into the blast furnace, respectively.
3. The mobile distributing device installed on the blast furnace as claimed in claim 2, wherein the lateral driving mechanism comprises a lateral driving nut, one side of the lateral driving nut is connected with the distributing device driving frame or the distributing device driving plate, a screw hole of the lateral driving nut is in threaded fit with a lateral screw rod, and two ends of the lateral screw rod are connected with the lateral driving frame or the lateral driving plate through a bearing and a bearing seat, wherein one end of the lateral screw rod is connected with a lateral driving motor, the lateral driving motor is connected with the lateral driving frame or the lateral driving plate through a base, a lateral guide block is installed on the other side of the lateral driving nut, and the lateral guide block is in sliding fit with a lateral guide groove installed on the lateral driving frame or the lateral driving plate.
4. The moving distributor installed on the blast furnace as claimed in claim 3, wherein the longitudinal driving mechanism comprises a longitudinal driving nut, one side of the longitudinal driving nut is connected to the bottom of the transverse driving frame or the transverse driving plate, a screw hole of the longitudinal driving nut is in threaded engagement with a longitudinal screw rod, both ends of the longitudinal screw rod are connected to the supporting frame through a bearing and a bearing seat, wherein one end of the longitudinal screw rod is connected to a longitudinal driving motor, the longitudinal driving motor is connected to the supporting frame through a base, a longitudinal guide block is installed on the other side of the longitudinal driving nut, and the longitudinal guide block is in sliding engagement with a longitudinal guide groove installed on the supporting frame.
5. The mobile distributor provided on the blast furnace as claimed in claim 3 or 4, wherein there are two sets of the transverse driving mechanism and the longitudinal driving mechanism respectively and symmetrically.
6. The mobile distributor provided on the blast furnace as claimed in claim 5, wherein the transverse driving motor and the longitudinal driving motor are servo motors, each servo motor is electrically connected with the P L C controller.
7. The mobile distributor installed on blast furnace as claimed in claim 6, wherein the said feeding pipe is installed with ball valve, one end of the ball valve is connected with the ball valve switch control servo motor, the ball valve switch control servo motor is connected with the P L C controller.
8. The moving distributor provided on a blast furnace as set forth in claim 7, wherein said support frame, said transverse driving frame or said transverse driving plate is made of carbon fiber, or a carbon fiber layer is attached to a surface of said support frame, said transverse driving frame or said transverse driving plate.
9. The mobile distributor provided on a blast furnace as claimed in claim 8 wherein said support frame is supported directly on the top of the blast furnace or said support frame is supported directly on the ground.
10. The mobile distributor installed on the blast furnace as claimed in claim 8, wherein a camera and/or an ultrasonic detector electrically connected to the P L C controller is installed at the bottom of the supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246673.0A CN111440911B (en) | 2020-03-31 | 2020-03-31 | Movable distributing device arranged on blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010246673.0A CN111440911B (en) | 2020-03-31 | 2020-03-31 | Movable distributing device arranged on blast furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111440911A true CN111440911A (en) | 2020-07-24 |
| CN111440911B CN111440911B (en) | 2021-03-30 |
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ID=71650916
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010246673.0A Expired - Fee Related CN111440911B (en) | 2020-03-31 | 2020-03-31 | Movable distributing device arranged on blast furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN111440911B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251551A (en) * | 2020-10-12 | 2021-01-22 | 王玉平 | High-proportion magnesium pellet blast furnace iron-smelting method and automatic distributor arranged on blast furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59211515A (en) * | 1983-05-16 | 1984-11-30 | Nippon Steel Corp | Charging device for charge |
| CN201165528Y (en) * | 2008-03-19 | 2008-12-17 | 洛阳市隆盛冶金设备有限公司 | Blast furnace distributor |
| CN109612746A (en) * | 2019-01-08 | 2019-04-12 | 北京市城市管理研究院（北京市环境卫生监测中心） | A kind of earth material dispenses system |
| CN210193636U (en) * | 2019-05-28 | 2020-03-27 | 上海辕本机械制造有限公司 | Excrement distributing device |
-
2020
- 2020-03-31 CN CN202010246673.0A patent/CN111440911B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59211515A (en) * | 1983-05-16 | 1984-11-30 | Nippon Steel Corp | Charging device for charge |
| CN201165528Y (en) * | 2008-03-19 | 2008-12-17 | 洛阳市隆盛冶金设备有限公司 | Blast furnace distributor |
| CN109612746A (en) * | 2019-01-08 | 2019-04-12 | 北京市城市管理研究院（北京市环境卫生监测中心） | A kind of earth material dispenses system |
| CN210193636U (en) * | 2019-05-28 | 2020-03-27 | 上海辕本机械制造有限公司 | Excrement distributing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251551A (en) * | 2020-10-12 | 2021-01-22 | 王玉平 | High-proportion magnesium pellet blast furnace iron-smelting method and automatic distributor arranged on blast furnace |
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| Publication number | Publication date |
|---|---|
| CN111440911B (en) | 2021-03-30 |
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Granted publication date: 20210330 |