CN219934654U - Automatic sand filling and draining device for tapping hole of electric furnace - Google Patents
Automatic sand filling and draining device for tapping hole of electric furnace Download PDFInfo
- Publication number
- CN219934654U CN219934654U CN202320986043.6U CN202320986043U CN219934654U CN 219934654 U CN219934654 U CN 219934654U CN 202320986043 U CN202320986043 U CN 202320986043U CN 219934654 U CN219934654 U CN 219934654U
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- CN
- China
- Prior art keywords
- sand
- electric furnace
- fixedly connected
- screw feeder
- rotary screw
- 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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- 239000004576 sand Substances 0.000 title claims abstract description 59
- 238000010079 rubber tapping Methods 0.000 title claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 238000005303 weighing Methods 0.000 claims description 7
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000003723 Smelting Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses an automatic sand filling and draining device for a steel outlet of an electric furnace, which comprises a sand bin and the electric furnace, wherein the sand bin is fixedly connected to a platform at the outer side of the electric furnace, the bottom of the sand bin is fixedly connected with a feed inlet of a rotary screw feeder through a gate valve, the rotary screw feeder is installed on the ground, the output end of the rotary screw feeder is positioned right above a chute, the chute is fixedly connected to the outer wall of the electric furnace, a nitrogen sealing mechanism is installed at the bottom of the chute, a camera is fixedly connected to the furnace wall of the electric furnace, the direction of the camera is right opposite to the steel outlet, and the steel outlet is arranged at the bottom of the electric furnace. According to the utility model, through the arrangement of the camera, the sand filling and draining condition in the furnace can be conveniently and clearly observed in real time, and convenience is provided for handling accidents.
Description
Technical Field
The utility model relates to the technical field of metal smelting, in particular to an automatic sand filling and draining device for a steel tapping hole of an electric furnace.
Background
In recent years, along with establishment and rapid promotion of national double-carbon targets, an electric furnace is widely popularized as an important device for energy conservation and emission reduction in the metal smelting industry, and the number of the electric furnace is continuously improved in the domestic and foreign conservation and new construction. In the operation process of the electric furnace, the tapping hole needs to be prefilled with sand to prevent molten steel from entering the tapping hole in the smelting process, and tapping failure caused by molten steel freezing in the tapping hole is prevented. When tapping is needed, the slide plate mechanism at the lower part of the tapping hole is opened, the pre-filled drainage sand is automatically discharged, and then pure molten steel can be smoothly injected into the ladle through the tapping hole, so that normal smelting operation is completed. At present, filling of drainage sand is realized through the mode of manual filling, and the workman stands on the platform near the furnace body, adopts barreled or bagged drainage sand to pour into in the tap hole through the mode of naked eye observation, just so has a lot of disadvantages: 1) The inside of the furnace body is a metal melting area with the temperature of more than 1600 ℃ and the periphery is a high-temperature area, so that safety accidents such as high-temperature burn and the like are easy to occur; 2) The manual operation is easy to inhale harmful gases such as high-temperature smoke and the like, and the human health is damaged. 3) Manual operation also has personal experience problems and reliability problems.
Disclosure of Invention
The utility model aims to provide an automatic sand filling and draining device for a steel outlet of an electric furnace, which is used for solving the problems of dangerous manual operation, severe environment, low efficiency and the like of filling and draining sand for the steel outlet in actual use.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an automatic drainage sand device that fills of tap hole of electric stove, includes sand silo and electric stove, sand silo fixed connection is on the platform in the electric stove outside, the bottom in sand silo passes through push-pull valve and rotary screw feeder's feed inlet fixed connection, rotary screw feeder installs on ground, rotary screw feeder's output is located directly over the elephant trunk, elephant trunk fixed connection is on the outer wall of electric stove, nitrogen seal mechanism is installed to the elephant trunk bottom, it overflows to prevent to have the flue gas in the smelting process through nitrogen seal mechanism, and fixedly connected with camera on the oven of electric stove, the direction of camera is just to the tap hole, thereby can clearly observe the filling drainage sand condition in the stove in real time, the tap hole has been seted up for handling unexpected condition emergence to the bottom of electric stove, the material after the melting is discharged outside the electric stove through the tap hole.
Preferably: the bag breaking knife is fixedly connected to the top in the sand bin, and when the bag filled with materials enters the sand bin, the bag breaking knife automatically breaks the bag, so that the automatic sand filling function is realized.
Preferably: the sand bin is fixed on a platform outside the electric furnace through the supporting function of the supporting legs, a weighing sensor is fixedly connected between the bottoms of the supporting legs and the platform, and the material dosage entering the sand bin is measured through the weighing sensor.
Preferably: the push-pull valve adopts a structure that a cylinder drives a valve plate, is communicated and cut off between a sand bin and a rotary screw feeder, and is mainly used for controlling the flow quantity of diversion sand, wherein the upper part of the push-pull valve is fixedly connected with the bottom of the sand bin, the lower part of the push-pull valve is connected with the lower part of the rotary screw feeder, and the rotary screw feeder also needs to have a rotary function, so that the push-pull valve and the rotary screw feeder are connected by adopting a sleeve type structure, the seal adopts flexible seal, the leakage of smoke and dust to the outside is prevented, and a certain expansion quantity is allowed in the axial direction at the same time, and the thermal deformation is prevented.
Preferably: the water cooling box is fixedly connected to the outer wall of the pipeline of the rotary screw feeder, so that high-temperature deformation is prevented, and normal operation is influenced.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the arrangement of the camera, the sand filling and draining condition in the furnace can be conveniently and clearly observed in real time, and convenience is provided for handling accidents.
According to the utility model, through the arrangement of the nitrogen sealing mechanism, the leakage of smoke and dust to the outside is prevented, and the environmental protection of the device is effectively improved.
Drawings
Fig. 1 is a schematic structural view of an automatic sand filling and draining device for a tapping hole of an electric furnace.
As shown in the figure: 1. a bag breaking knife; 2. a sand bin; 3. a weighing sensor; 4. a gate valve; 5. a rotary screw feeder; 6. a chute; 7. a nitrogen sealing mechanism; 8. a camera; 9. a steel tapping hole; 10. an electric furnace.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1, in the embodiment of the utility model, an automatic sand filling and draining device for a steel outlet of an electric furnace comprises a sand bin 2 and an electric furnace 10, wherein the sand bin 2 is fixedly connected to a platform outside the electric furnace 10, the bottom of the sand bin 2 is fixedly connected with a feed inlet of a rotary screw feeder 5 through a gate valve 4, the rotary screw feeder 5 is installed on the ground, the output end of the rotary screw feeder 5 is positioned right above a chute 6, the chute 6 is fixedly connected to the outer wall of the electric furnace 10, a nitrogen sealing mechanism 7 is installed at the bottom of the chute 6, flue gas is prevented from overflowing in the smelting process through the nitrogen sealing mechanism 7, a camera 8 is fixedly connected to the furnace wall of the electric furnace 10, and the direction of the camera 8 is opposite to the steel outlet 9, so that the sand filling and draining condition in the furnace can be clearly observed in real time, convenience is provided for handling accidents, the bottom of the electric furnace 10 is provided with the steel outlet 9, and molten materials are discharged out of the electric furnace 10 through the outlet 9.
The technology of the nitrogen sealing mechanism 7 built in the electric furnace 10 is the prior art, and the specific structure and the working principle thereof are all the prior art, and are not described herein.
The top in the sand silo 2 is fixedly connected with a bag breaking knife 1, and when a bag filled with materials enters the sand silo 2, the bag breaking knife 1 automatically breaks bags, so that an automatic sand filling function is realized.
The sand silo 2 is fixed on a platform outside the electric furnace 10 through the supporting function of supporting feet, a weighing sensor 3 is fixedly connected between the bottom of the supporting feet and the platform, and the material dosage entering the sand silo 2 is measured through the weighing sensor 3.
It should be noted that the weighing sensor 3 in the utility model adopts the model YZC-1BG, and all electric equipment related to the utility model is powered by a municipal power supply system.
The push-pull valve 4 adopts a structure that a cylinder drives a valve plate, is communicated and cut off between the sand bin 2 and the rotary screw feeder 5, and is mainly used for controlling the flow quantity of the guided sand, wherein the upper part of the push-pull valve 4 is fixedly connected with the bottom of the sand bin 2, the lower part of the push-pull valve 4 is connected with the lower part of the rotary screw feeder 5, and the rotary screw feeder 5 also needs to have a rotary function, so that the push-pull valve 4 and the rotary screw feeder 5 are connected in a sleeve type structure, and flexible sealing is adopted for sealing, so that the leakage of smoke and dust to the outside is prevented, and a certain expansion quantity is allowed in the axial direction at the same time, so that the thermal deformation is prevented.
It should be noted that, the camera 8 in the present utility model adopts a high-temperature camera with a built-in water-cooling and air-cooling structure, which can effectively prevent high-temperature damage, and the high-temperature camera is a mature technology and will not be described herein.
In addition, the rotary screw feeder 5 selects LS-200 equipment with the model of being manufactured by sea environmental protection equipment limited company, cangzhou, and is used for conveying materials from the sand bin 2 to the chute 6, the feeding speed can be adjusted in real time to meet the requirement of filling and guiding sand, a rotary function is also provided, when the rotary screw feeder does not work normally, the rotary screw feeder 5 is stopped at a waiting position, smelting operation of a furnace body is not influenced, and when the sand filling and guiding operation is needed, the rotary screw feeder 5 rotates to a sand filling and guiding operation position for operation.
The water cooling box is fixedly connected to the outer wall of the pipeline of the rotary screw feeder 5, so that high-temperature deformation is prevented, and normal operation is influenced.
All electric equipment involved in the utility model is controlled by the existing automation technology, consists of an industrial personal computer, a CPU, a PLC module, software and the like, collects data of all sensors on site, performs calculation and analysis, and then sends out instructions through users, and related actions are performed by an on-site execution element to realize automation of sand filling and drainage operation.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides an automatic drainage sand device that fills of tap hole of electric stove, includes sand silo (2) and electric stove (10), its characterized in that, sand silo (2) fixed connection is on the platform in electric stove (10) outside, the bottom of sand silo (2) is through push-pull valve (4) and the feed inlet fixed connection of rotary screw feeder (5), rotary screw feeder (5) are installed on ground, the output of rotary screw feeder (5) is located directly over elephant trunk (6), elephant trunk (6) fixed connection is on the outer wall of electric stove (10), nitrogen seal mechanism (7) are installed to elephant trunk (6) bottom, and fixedly connected with camera (8) on the oven wall of electric stove (10), the direction of camera (8) is just to tap hole (9), tap hole (9) have been seted up to the bottom of electric stove (10).
2. The automatic sand filling and draining device for the steel tapping hole of the electric furnace according to claim 1 is characterized in that a bag breaking knife (1) is fixedly connected to the top in the sand bin (2).
3. The automatic sand filling and draining device for the steel tapping hole of the electric furnace according to claim 1, wherein the sand bin (2) is fixed on a platform outside the electric furnace (10) through the supporting function of supporting feet, and a weighing sensor (3) is fixedly connected between the bottom of the supporting feet and the platform.
4. The automatic sand filling and draining device for the steel tapping hole of the electric furnace according to claim 1, wherein the gate valve (4) adopts a structure that a cylinder drives a valve plate, the upper part of the gate valve (4) is fixedly connected with the bottom of the sand bin (2), and the lower part of the gate valve (4) is connected with the lower part of the rotary screw feeder (5).
5. The automatic sand filling and draining device for the tapping hole of the electric furnace according to claim 1, wherein a water cooling tank is fixedly connected to the outer wall of a pipeline of the rotary screw feeder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320986043.6U CN219934654U (en) | 2023-04-25 | 2023-04-25 | Automatic sand filling and draining device for tapping hole of electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320986043.6U CN219934654U (en) | 2023-04-25 | 2023-04-25 | Automatic sand filling and draining device for tapping hole of electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934654U true CN219934654U (en) | 2023-10-31 |
Family
ID=88494994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320986043.6U Active CN219934654U (en) | 2023-04-25 | 2023-04-25 | Automatic sand filling and draining device for tapping hole of electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934654U (en) |
-
2023
- 2023-04-25 CN CN202320986043.6U patent/CN219934654U/en active Active
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