CN220959614U - Horizontal feeding device for electric furnace steelmaking - Google Patents
Horizontal feeding device for electric furnace steelmaking Download PDFInfo
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- CN220959614U CN220959614U CN202322564541.4U CN202322564541U CN220959614U CN 220959614 U CN220959614 U CN 220959614U CN 202322564541 U CN202322564541 U CN 202322564541U CN 220959614 U CN220959614 U CN 220959614U
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- electric furnace
- conveying pipe
- pipe
- box
- feeding device
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- 238000009628 steelmaking Methods 0.000 title claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 42
- 239000010959 steel Substances 0.000 abstract description 42
- 238000003723 Smelting Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 description 21
- 239000002912 waste gas Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 239000002699 waste material Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- -1 produced stimulation Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model discloses a horizontal feeding device for electric furnace steelmaking, which comprises an electric furnace body and a protective cover arranged at the top of the electric furnace body, wherein a conveying pipe is arranged at the upper end of the protective cover; the top of the electric furnace body is provided with a bearing assembly, the bearing assembly comprises a supporting disc arranged at the top of the electric furnace body and a rotary roller movably arranged in the middle of the supporting disc, and the rotary roller is provided with separation blocks in a circumferential array; the conveying pipe comprises a throwing component arranged at the top of the conveying pipe and a conveying chain plate movably arranged at the lower end of the conveying pipe; the conveying pipe further comprises a preheating component arranged at the upper end of the conveying pipe, wherein the preheating component comprises a supporting frame which is arranged at the upper end of the conveying pipe in an array mode, a heat discharging pipe which is arranged on the supporting frame in an array mode and a first suction pump which is fixedly arranged on the heat discharging pipe. The utility model can improve the production efficiency, the safety performance and the energy utilization rate of the steel smelting through reasonable design, and has better practical value and economic benefit.
Description
Technical Field
The utility model relates to the technical field of electric furnace processing, in particular to a horizontal feeding device for electric furnace steelmaking.
Background
The electric furnace is a heating furnace which converts electric energy in the furnace into heat to heat workpieces, and when steel scrap is processed, the steel scrap is directly poured into the electric furnace for smelting continuously through automatic charging, however, most of the existing electric furnaces are not provided with a top cover for conveniently throwing in raw materials, the steel scrap is not preheated when being poured into the electric furnace, and the materials are cold, so that when the raw materials are thrown in, the melted raw materials can splash under the impact of the raw materials, and therefore, when the steel scrap is poured, the waste of the raw materials is dangerous and possibly caused.
Disclosure of utility model
Aiming at the defects in the prior art, the horizontal feeding device for electric furnace steelmaking solves the problems of danger and raw material waste caused by splashing of the melted raw material under the impact of the follow-up raw material when cold scrap steel is poured into an electric furnace in the prior art.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the horizontal feeding device for electric furnace steelmaking comprises an electric furnace body and a protective cover arranged at the top of the electric furnace body, wherein a conveying pipe is arranged at the upper end of the protective cover;
The top of electric stove body sets up accepts the subassembly, accepts the subassembly and including setting up the supporting disk at electric stove body top and the rotatory roller of activity setting at the supporting disk middle part, is circumference array installation separation piece on the rotatory roller.
The beneficial effects of the utility model are as follows: according to the scheme, the protective cover is arranged at the top of the electric furnace body, so that the danger caused by the fact that raw materials in the electric furnace splash everywhere under the impact when the raw materials are fed into the electric furnace can be effectively prevented; the conveying pipe is arranged at the upper end of the protective cover, so that the charging materials can be conveyed into the electric furnace from the outside, the complicated and risk of manual operation is avoided, and the operation efficiency and safety are improved; the bearing assembly can play a role in buffering the falling of the scrap steel, so that splashing generated when the scrap steel falls is reduced.
Further, the horizontal feeding device for electric furnace steelmaking comprises a conveying pipe and a feeding device, wherein the conveying pipe comprises a throwing component arranged at the top of the conveying pipe and a conveying chain plate movably arranged at the lower end of the conveying pipe;
The conveying pipe further comprises a preheating component arranged at the upper end of the conveying pipe, wherein the preheating component comprises a supporting frame which is arranged at the upper end of the conveying pipe in an array mode, a heat discharging pipe which is arranged on the supporting frame in an array mode and a first suction pump which is fixedly arranged on the heat discharging pipe.
The beneficial effects of adopting the further scheme are as follows: the feeding assembly is positioned at the top of one side of the conveying pipe far away from the electric furnace body, so that raw materials can be accurately fed into the conveying pipe, manual operation in a traditional mode is avoided, and the accuracy and stability of feeding are improved; the conveying chain plate is movably arranged at the lower part of the conveying pipe cavity, so that raw materials can be effectively conveyed from one end of the conveying pipe to the other end, and the continuity and fluency of feeding are ensured; simultaneously, preheat the subassembly setting in the upper portion of conveyer pipe cavity, first suction pump fixed mounting is at the surface of heat pipe, the export of throwing in the subassembly is aimed at to the heat extraction mouth of heat pipe, when carrying out work, the waste gas that the smelting produced enters into the protection casing, then start first suction pump with waste gas aim at the steel scrap that is dropping to on the conveyer chain link joint through the heat extraction pipe on the support frame and blow and preheat, make the steel scrap intensify, thereby reduced because the low temperature of steel scrap and the high temperature contact of molten steel, produced stimulation, and avoid the steel scrap directly to add the high temperature oxidation problem that produces in the electric arc furnace, make the treatment effect to the steel scrap briquetting better.
Further, in the horizontal feeding device for electric furnace steelmaking, the baffle plates are arranged on the supporting plate, and the radian value of each baffle plate is larger than that of each adjacent separation block.
The beneficial effects of adopting the further scheme are as follows: the setting of baffle can effectively support the material, and the radian value of baffle is greater than the radian value of adjacent separate piece, and when the furnace charge from the baffle landing, the great baffle of radian can play the supporting role, makes the furnace charge flow more steady to when avoiding the steel scrap rotatory, take place to drop.
Further, the horizontal feeding device for electric furnace steelmaking comprises a feeding box, a feeding opening fixedly arranged at the upper end of the feeding box, a movable bottom plate movably arranged at the bottom of the feeding box, hinging blocks arranged at the bottom of the movable bottom plate and the upper end of a conveying pipe, movable telescopic rods movably hinged to the two hinging blocks and a purifying unit arranged at the top of the feeding box.
The beneficial effects of adopting the further scheme are as follows: when the movable telescopic rod is in operation, the movable bottom plate is opened, and due to the existence of the hinging block, the working angle of the movable telescopic rod can be adjusted when the movable telescopic rod works, so that the throwing speed and the opening size can be controlled.
Further, the horizontal feeding device for electric furnace steelmaking comprises a throwing opening and a filtering box which are arranged at the top of the throwing box in parallel, a suction pipe is arranged on the side face of the filtering box, and the bottom of the suction pipe is communicated with the top of the throwing opening.
The beneficial effects of adopting the further scheme are as follows: during operation, waste gas can enter into the left throwing port of the throwing box, and then is pumped into the filter box by the second suction pump through the suction pipe for filtering treatment, so that the influence on the external environment is reduced, and the air quality of the working environment is improved.
Further, in the horizontal feeding device for electric furnace steelmaking, the section size of the movable bottom plate is the same as that of the throwing box.
The beneficial effects of adopting the further scheme are as follows: the section size of the movable bottom plate is the same as that of the throwing box, and when the movable bottom plate works, the bottom of the throwing box can be blocked by the movable bottom plate, so that the opening degree of the movable bottom plate is controlled, and the throwing speed of scrap steel is controlled.
The beneficial effects of the utility model are as follows: the device realizes continuous and stable raw material feeding through an automatic feeding mode, effectively reduces the time and labor intensity of manual operation, and improves the production efficiency; the steel scraps can drop onto the separation blocks on the inner side of the supporting disc when the raw materials are put in, so that the weight of the separation blocks is increased, the separation blocks automatically rotate around the rotating roller, the raw materials drop into the electric furnace body to be dissolved, and the separation blocks and the rotating roller buffer the steel scraps, so that the falling impact force of the steel scraps is reduced, the solution in the melting furnace is not easy to sputter, and the safety is improved;
According to the utility model, through the cooperation of the structures such as the heat discharging pipe, the protective cover and the conveying chain plate, when the electric arc furnace works, waste gas generated by smelting enters the protective cover, and then the first suction pump is started to aim at waste steel falling onto the conveying chain plate through the heat discharging pipe on the support frame to perform blowing preheating, so that the waste steel is heated, the stimulation generated when the low temperature of the waste steel is contacted with the high temperature of molten steel is reduced, the problem of high-temperature oxidation generated when the waste steel is directly added into the electric arc furnace is avoided, and the treatment effect on the waste steel briquettes is better; meanwhile, the purification unit is used for purifying the flue gas and the waste gas, so that the emission of pollutants and harmful gases in the furnace is reduced, and the environment and the health and safety of operators are protected.
The scheme has the advantages of improving production efficiency, product quality and energy utilization rate, reducing pollutant discharge, ensuring stable reliability of the system, and being simple and convenient to operate, and the advantages and beneficial effects bring higher production benefit and environmental protection benefit for the steelmaking industry.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of a front view in cross section;
FIG. 4 is a schematic view of a right-side cross-sectional structure of the present utility model;
fig. 5 is an enlarged schematic view of the portion a of fig. 3 according to the present utility model.
Wherein: 1. the electric furnace comprises an electric furnace body, 2, a protective cover, 3, a supporting disc, 4, a rotating roller, 5, a separation block, 6, a partition board, 7, a conveying pipe, 8, a conveying chain plate, 9, a supporting frame, 10, a heat exhausting pipe, 11, a first suction pump, 12, a throwing box, 13, a throwing opening, 14, a filter box, 15, a second suction pump, 16, a suction pipe, 17, a movable bottom plate, 18, a hinging block, 19 and a movable telescopic rod.
Detailed Description
The following describes the embodiments of the present utility model in detail with reference to the drawings.
As shown in fig. 1 to 5, the utility model provides a horizontal feeding device for electric furnace steelmaking, which comprises an electric furnace body 1 and a protective cover 2 arranged at the top of the electric furnace body 1, wherein the electric furnace body 1 is used for smelting scrap steel, the protective cover 2 is made of high-temperature-resistant and corrosion-resistant materials, the inside and the outside environment of the electric furnace can be effectively isolated, and when materials are input into the electric furnace body 1, the raw materials in the electric furnace body 1 are prevented from splashing; the upper end of the protective cover 2 is provided with a conveying pipe 7;
The top of the electric furnace body 1 is provided with a bearing assembly, the bearing assembly comprises a supporting disc 3 arranged at the top of the electric furnace body 1 and a rotary roller 4 movably arranged in the middle of the supporting disc 3, and the supporting disc 3 has enough strength and stability and can bear the weight and the movement force of raw materials; the baffle plates 6 are arranged on the supporting plate 3, the radian value of each baffle plate 6 is larger than that of the adjacent separation block 5, and falling of the steel scraps is avoided when the steel scraps rotate; the rotating roller 4 is provided with the separation blocks 5 in a circumferential array, so that the raw materials can be uniformly distributed and stably put in.
During operation, the scrap steel falls onto the separation block 5 on the inner side of the supporting disc 3 through the conveying pipe 7, so that the weight of the separation block 5 is increased, the separation block 5 rotates around the rotary roller 4, raw materials fall into the electric furnace body 1 to be dissolved, the effect of buffering the falling of the scrap steel is achieved, and splashing generated when the scrap steel falls is reduced.
According to one embodiment of the application, the conveying pipe 7 comprises a throwing component arranged at the top of the conveying pipe 7 and a conveying chain plate 8 movably arranged at the lower end of the conveying pipe 7, and the conveying chain plate 8 is made of high-temperature resistant and wear-resistant materials, so that the surface is smooth, the resistance and friction of raw materials can be reduced, and the throwing efficiency is improved;
the conveying pipe 7 further comprises a preheating component arranged at the upper end of the conveying pipe 7, the preheating component comprises a supporting frame 9 arranged at the upper end of the conveying pipe 7 in an array mode, a heat discharging pipe 10 arranged on the supporting frame 9 in an array mode and a first suction pump 11 fixedly arranged on the heat discharging pipe 10, a heat discharging opening of the heat discharging pipe 10 is aligned with an outlet of the throwing component, the exhaust direction of the preheating component is opposite to the movement direction of the conveying chain plate 8, and leaked high-temperature waste gas is aligned with the outlet of the throwing component to blow.
When the device works, the first suction pump 11 at the left end of the heat extraction pipe 10 on the supporting frame 9 is started to blow and preheat the hot gas aiming at the scrap steel falling onto the conveying chain plate 8, so that the temperature of the scrap steel is raised, and the irritation generated when the low temperature of the scrap steel is contacted with the high temperature of molten steel is reduced.
According to one embodiment of the application, the throwing component comprises a throwing box 12, a throwing opening 13 fixedly arranged at the upper end of the throwing box 12, a movable bottom plate 17 movably arranged at the bottom of the throwing box 12, a hinged block 18 arranged at the bottom of the movable bottom plate 17 and the upper end of the conveying pipe 7, a movable telescopic rod 19 movably hinged on the two hinged blocks 18 and a purifying unit arranged at the top of the throwing box 12; the purifying unit comprises a throwing port 13 and a filter box 14 which are arranged at the top of the throwing box 12 in parallel, a suction pipe 16 is arranged on the side surface of the filter box 14, and the bottom of the suction pipe 16 is communicated with the top of the throwing port 13; the waste gas enters the feeding port 13 at the left side of the feeding box 12, and is pumped into the filtering box 14 by the second suction pump 15 through the suction pipe 16 for filtering treatment, so that the influence of the waste gas on the external environment is reduced, and the air quality of the working environment is improved.
According to one embodiment of the application, the throwing port 13 is fixedly arranged on one side of the upper end of the throwing box 12, the movable bottom plate 17 is movably hinged to the bottom of the throwing box 12, the hinged blocks 18 are arranged at the bottom of the movable bottom plate 17 and the left end of the conveying pipe 7, the movable telescopic rods 19 are movably hinged to the two hinged blocks 18, and the movable telescopic rods 19 are started to open the movable bottom plate 17, so that the working angles of the movable telescopic rods 19 can be adjusted when the movable telescopic rods 19 work due to the hinged blocks 18;
According to one embodiment of the application, the cross section of the movable bottom plate 17 is equal to that of the throwing box 12, and the movable bottom plate 17 can block the bottom of the throwing box 12 when in operation; the opening degree of the movable bottom plate 17 is in direct proportion to the smelting speed, so that the casting speed of the scrap steel is conveniently controlled.
The working principle and the using flow of the utility model are as follows:
When in work, when the scrap steel is conveyed into the throwing box 12 through the throwing opening 13, then the movable telescopic rod 19 is started to open the movable bottom plate 17, and the working angle of the movable telescopic rod 19 can be adjusted when in work due to the existence of the hinging block 18, so that the work is convenient;
Then the scrap steel falls onto a conveying chain plate 8 in a conveying pipe 7 and then falls onto a separation block 5 on the inner side of a supporting disc 3, so that the weight of the separation block 5 is increased, and the separation block 5 rotates around a rotating roller 4, so that raw materials fall into an electric furnace body 1 for dissolution;
When smelting, because the separation block 5 can have the clearance, lead to waste gas to enter into protection casing 2, then start the first suction pump 11 of the heat extraction pipe 10 left end on the support frame 9 with the steam aim at dropping the steel scrap on the conveying link joint 8 and blow preheating for the steel scrap intensifies, thereby reduced because the low temperature of steel scrap when contacting with the high temperature of molten steel, produced stimulation, waste gas can enter into put in case 12, then take out in the filter box 14 through suction tube 16 by second suction pump 15 and carry out filtration treatment, thereby make reduced the influence to external environment, improved operational environment's air quality.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The horizontal feeding device for electric furnace steelmaking is characterized by comprising an electric furnace body (1) and a protective cover (2) arranged at the top of the electric furnace body (1), wherein a conveying pipe (7) is arranged at the upper end of the protective cover (2);
the top of electric stove body (1) sets up and accepts the subassembly, accept the subassembly including setting up supporting disk (3) at electric stove body (1) top and the activity setting at rotatory roller (4) at supporting disk (3) middle part, be circumference array installation separation piece (5) on rotatory roller (4).
2. The horizontal feeding device for electric furnace steelmaking according to claim 1, wherein the conveying pipe (7) comprises a throwing component arranged at the top of the conveying pipe (7) and a conveying chain plate (8) movably arranged at the lower end of the conveying pipe (7);
The conveying pipe (7) further comprises a preheating component arranged at the upper end of the conveying pipe (7), and the preheating component comprises a supporting frame (9) arranged at the upper end of the conveying pipe (7) in an array, a heat discharging pipe (10) arranged on the supporting frame (9) in an array and a first suction pump (11) fixedly arranged on the heat discharging pipe (10).
3. The horizontal feeding device for electric furnace steelmaking as claimed in claim 1, wherein a partition plate (6) is arranged on the supporting plate (3), and the radian value of the partition plate (6) is larger than that of the adjacent partition block (5).
4. The horizontal feeding device for electric furnace steelmaking as claimed in claim 2, wherein the feeding assembly comprises a feeding box (12), a feeding opening (13) fixedly installed at the upper end of the feeding box (12), a movable bottom plate (17) movably arranged at the bottom of the feeding box (12), a hinged block (18) arranged at the bottom of the movable bottom plate (17) and the upper end of the conveying pipe (7), movable telescopic rods (19) movably hinged on the two hinged blocks (18) and a purifying unit arranged at the top of the feeding box (12).
5. The horizontal feeding device for electric furnace steelmaking as claimed in claim 4, wherein the purifying unit comprises a throwing port (13) and a filter box (14) which are arranged on the top of the throwing box (12) in parallel, a suction pipe (16) is arranged on the side surface of the filter box (14), and the bottom of the suction pipe (16) is communicated with the top of the throwing port (13).
6. The horizontal charging device for electric steelmaking as claimed in claim 4, wherein the movable bottom plate (17) has a cross section of the same size as the cross section of the delivery box (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564541.4U CN220959614U (en) | 2023-09-20 | 2023-09-20 | Horizontal feeding device for electric furnace steelmaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564541.4U CN220959614U (en) | 2023-09-20 | 2023-09-20 | Horizontal feeding device for electric furnace steelmaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220959614U true CN220959614U (en) | 2024-05-14 |
Family
ID=91015456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322564541.4U Active CN220959614U (en) | 2023-09-20 | 2023-09-20 | Horizontal feeding device for electric furnace steelmaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220959614U (en) |
-
2023
- 2023-09-20 CN CN202322564541.4U patent/CN220959614U/en active Active
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