CN114058781B - Cleaning device for steel outlet hole of electric arc furnace - Google Patents
Cleaning device for steel outlet hole of electric arc furnace Download PDFInfo
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- CN114058781B CN114058781B CN202111276468.XA CN202111276468A CN114058781B CN 114058781 B CN114058781 B CN 114058781B CN 202111276468 A CN202111276468 A CN 202111276468A CN 114058781 B CN114058781 B CN 114058781B
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- purging
- steel
- air
- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000010891 electric arc Methods 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 title claims abstract description 22
- 238000010926 purge Methods 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000010079 rubber tapping Methods 0.000 claims abstract description 48
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002893 slag Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009628 steelmaking Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005381 potential energy Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
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- 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
Abstract
The invention discloses an electric arc furnace steel outlet hole cleaning device which comprises a steel outlet groove seat, an adjusting mechanism and a purging mechanism, wherein the steel outlet groove seat is provided with a steel outlet hole; the adjusting mechanism is arranged in the tapping groove seat, and the blowing mechanism is arranged in the adjusting mechanism; the purging mechanism consists of a fixed plate, a compressed air tank, an air pipe, an air control valve, a communicating pipe, a purging pipe and a purging pipe head; air in the compressed air tank is sent to the purging pipe through the air control valve by the air pipe, and the steel slag cooled in the steel tapping groove seat is purged by the purging pipe, so that the cooled steel slag around the steel tapping groove seat can be rapidly cleaned, the maintenance time is saved, and the steel-making efficiency is further improved; and through the fixture block arranged on the communicating pipe and the first sliding groove and the second sliding groove which are correspondingly arranged on the inner wall of the purging pipe, the fit length between the communicating pipe and the purging pipe can be adjusted, so that the purging device is suitable for tapping groove seats with different depths, and the purging effect is better in actual application.
Description
Technical Field
The invention relates to the technical field of metallurgical industry, in particular to a cleaning device for a steel outlet hole of an electric arc furnace.
Background
With the development of national economy, a large construction mode is opened all over the country, and under the large construction mode, the use amount of steel materials is increased sharply.
At present, the domestic demand for steel is large, and the domestic main device for steelmaking is an electric arc furnace, which utilizes high-temperature smelting ores and metals generated by electrode arc to effectively remove impurities such as sulfur, phosphorus and the like, and the furnace temperature is easy to control, and the occupied area of the equipment is small, so the electric arc furnace has strong competitiveness in domestic steelmaking industrial equipment.
When the steel hole is replaced by the electric arc furnace, more cooling steel slag exists outside the original steel hole, and if the cooling steel slag cannot be cleaned in time, the time for replacing the steel hole is influenced, but in the prior art, cleaning equipment aiming at the circular shape of the steel hole cannot be applied to the wedge-shaped steel hole, so that the steel slag outside the wedge-shaped steel hole is difficult to quickly clean when the steel hole is replaced by the wedge-shaped electric arc furnace; therefore, the device for cleaning the steel outlet hole of the electric arc furnace is provided for solving the problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a cleaning device for a steel outlet hole of an electric arc furnace, which aims at the problem that the cleaning device with a circular steel outlet hole cannot be applied to a wedge-shaped steel outlet hole, so that steel slag on the outer side of the wedge-shaped steel outlet hole is difficult to quickly clean when the wedge-shaped steel outlet hole is replaced in the electric arc furnace.
A cleaning device for a steel outlet hole of an electric arc furnace comprises a steel tapping groove seat, an adjusting mechanism and a purging mechanism; the adjusting mechanism is arranged in the tapping groove seat, and the purging mechanism is arranged in the adjusting mechanism;
the blowing mechanism consists of a fixed plate, a compressed air tank, an air pipe, an air control valve, a communicating pipe, a blowing pipe and a blowing pipe head; the air control valve is fixedly connected to the fixing plate; one end of the air pipe is communicated with the compressed air tank, and the other end of the air pipe is communicated with the air control valve; one end of the communicating pipe is communicated with the side wall of one end of the air control valve, and one end of the purging pipe is communicated with the other end of the communicating pipe; the purging pipe head is arranged at the other end of the purging pipe; in practical application, the blowing mechanism is arranged in the adjusting mechanism and can horizontally move in the steel tapping groove seat under the driving of the adjusting mechanism, and then the deep blowing effect on the steel tapping groove seat is achieved, wherein when air in the compressed air tank is discharged into the air control valve through the air pipe, the air control valve can adjust the air amount entering the communicating pipe in unit time, and therefore the purpose of adjusting the pressure of the air in the blowing pipe is achieved.
Preferably, the adjusting mechanism consists of a fixed seat, an inner hexagon bolt, a side plate, a push block, an air cylinder and a limiting block; the fixed seat is clamped at one end of the steel tapping groove seat; the side plates are arranged in two groups, and the two groups of side plates are fixedly connected to two sides of the fixed seat respectively; the inner hexagon bolts are in threaded connection with two ends of the fixed seat; the cylinder is fixedly connected in the fixed seat; the push block is connected between the side plates on the two sides in a sliding manner; the output end of the cylinder is fixedly connected to one side of the push block close to the cylinder; the limiting block is fixedly connected to the middle part of the side plate; starting the air cylinder, pushing the push block to slide on the side plate obliquely by the air cylinder, so that the push block can gradually contact the fixed plate and drive the fixed plate to slide transversely at the bottom end of the side plate when sliding from the top end to the bottom end of the side plate; when the push block slides to the bottom end of the side plate, the push block cannot slide continuously under the limiting action of the limiting block, and at the moment, the fixing plate reaches the tail end position.
Preferably, the fixed plate is arranged between the side plates on the two sides, and a return assembly is arranged at one end, far away from the air cylinder, of the fixed plate.
Preferably, the return assembly consists of a straight rod and a third spring; one end of the straight rod is fixedly connected to the fixing plate, and the other end of the straight rod is connected to the side plates on the two sides through a through hole; the third spring is sleeved on the straight rod, and one end of the third spring is fixedly connected to the fixing plate; when the third spring sleeved on the straight rod is contacted and compressed with the front end of the side plate, the third spring generates elastic potential energy, and when the cylinder contracts, the fixing plate can be driven to return to the initial position under the elastic potential energy of the third spring.
Preferably, a third sliding groove is formed in the side plate corresponding to the pushing block, and a second spring is fixedly connected to one end, far away from the air cylinder, of the third sliding groove.
Preferably, two ends of the push block are respectively connected in the third sliding grooves on two sides in a sliding manner, and the other end of the second spring is fixedly connected to the push block; when the cylinder pushes the push block, the connecting block drives the push block to slide in the third sliding groove in an inclined mode, the second spring is extruded in the sliding process, the second spring is extruded to generate elastic potential energy, and when the cylinder contracts, the second spring drives the push block to return to the initial position through the generated elastic potential energy.
Preferably, a movable cavity is formed in the side wall of the communicating pipe, and a clamping block is movably connected in the movable cavity; the bottom of the movable cavity is fixedly connected with a first spring, and the other end of the first spring is fixedly connected to the bottom of the clamping block.
Preferably, a first sliding groove and four groups of second sliding grooves are formed in the purging pipe; the four groups of the second sliding grooves are equidistantly arranged in the inner wall of the purging pipe, and the first sliding groove is communicated with the four groups of the second sliding grooves; manually rotating the purging pipe to enable the clamping block located at the fixed position of the communicating pipe to slide into the second sliding groove and to be clamped on the inner wall of the purging pipe when the clamping block slides to the tail end of the second sliding groove; wherein blow and sweep No. two spout ends on the pipe and be provided with the draw-in groove, when the fixture block slided No. two spout ends, can the joint in the draw-in groove to the realization is blown and is swept the fixed of pipe and communicating pipe.
Preferably, the clamping block is connected in the first sliding groove and the second sliding groove in a sliding manner; the first sliding groove is of a rectangular structure, and the second sliding groove is of an arc structure; no. two spouts are two separation arc spouts of symmetrical arrangement, and the quantity of the fixture block that corresponds is two sets of, and when the pipe was swept in the artificial rotation, two opposite fixture blocks homoenergetic slided in No. two spouts.
Preferably, the steel tapping groove seat is of a wedge-shaped structure, and the side plates are correspondingly arranged to be of a wedge-shaped structure.
The invention has the advantages that:
1. according to the invention, the blowing mechanism is arranged, air in the compressed air tank is sent to the blowing pipe through the air control valve by using the air pipe, and the steel slag cooled in the steel tapping groove seat is blown by using the blowing pipe, so that the cooled steel slag around the steel tapping groove seat can be quickly cleaned, the maintenance time is saved, and the steel-making efficiency is further improved; and through the fixture block arranged on the communicating pipe and the first sliding groove and the second sliding groove which are correspondingly arranged on the inner wall of the purging pipe, the fit length between the communicating pipe and the purging pipe can be adjusted, so that the purging device is suitable for tapping groove seats with different depths, and the purging effect is better in actual application.
2. According to the invention, by arranging the adjusting mechanism, when the purging mechanism is arranged in the steel tapping groove seat, the purging mechanism is fixedly connected to one end of the steel tapping groove seat by using the hexagon socket head cap screw, the push block is driven by the cylinder to move on the side plate, and further when the push block is driven by the cylinder to be contacted with the fixed plate, the purging mechanism fixed at one end of the fixed plate can be driven to horizontally move in the steel tapping groove seat in the continuous advancing process of the cylinder, so that the purging mechanism is adapted to the steel tapping groove seat with the wedge-shaped structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a first perspective view of one embodiment of the present invention;
FIG. 2 is a second perspective view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of one embodiment of the present invention;
FIG. 4 is a first cross-sectional view of a purge tube in an embodiment of the invention;
FIG. 5 is a second cross-sectional view of a purge tube in an embodiment of the invention.
In the figure: 1. a compressed air tank; 11. an air tube; 12. an air control valve; 121. a communicating pipe; 122. a movable cavity; 123. a clamping block; 124. a first spring; 13. a purge tube; 131. a first chute; 132. a second chute; 133. purging the tube head; 2. tapping a trough seat; 3. a purging mechanism; 31. a fixed seat; 311. a hexagon socket head cap screw; 32. a side plate; 321. a third sliding chute; 322. a second spring; 33. a push block; 34. a cylinder; 35. a limiting block; 36. a fixing plate; 37. a straight rod; 38. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an electric arc furnace steel outlet hole cleaning device includes a steel outlet slot base 2, an adjusting mechanism and a purging mechanism 3; the adjusting mechanism is arranged in the tapping groove seat 2, and the blowing mechanism 3 is arranged in the adjusting mechanism;
the purging mechanism 3 consists of a fixing plate 36, a compressed air tank 1, an air pipe 11, an air control valve 12, a communicating pipe 121, a purging pipe 13 and a purging pipe head 133; the air control valve 12 is fixedly connected to the fixing plate 36; one end of the air pipe 11 is communicated with the compressed air tank 1, and the other end of the air pipe 11 is communicated with the air control valve 12; one end of the communication pipe 121 is communicated with the side wall of one end of the air control valve 12, and one end of the purge pipe 13 is communicated with the other end of the communication pipe 121; the purge stub 133 is provided at the other end of the purge pipe 13.
During operation, when the steel tapping bath seat 2 is purged, air in the compressed air tank 1 is introduced into the communicating pipe 121 through the air control valve 12 by the air pipe 11, and is introduced into the purging pipe 13 through the communicating pipe 121, so that cooled steel slag around the steel tapping bath seat 2 can be purged through the purging pipe head 133, when the steel tapping bath seat is actually applied, the purging mechanism 3 is arranged in the adjusting mechanism, can horizontally move in the steel tapping bath seat 2 under the driving of the adjusting mechanism, and further, the deep purging effect on the steel tapping bath seat 2 is realized, wherein when the air in the compressed air tank 1 is discharged into the air control valve 12 through the air pipe 11, the air control valve 12 can adjust the air amount entering the communicating pipe 121 in unit time, so that the pressure adjustment purpose of the air in the purging pipe 13 is realized; wherein the purge tip 133 is a hollow tube with an interior of 45 °.
As an embodiment of the present invention, the adjusting mechanism is composed of a fixed seat 31, an inner hexagon bolt 311, a side plate 32, a push block 33, a cylinder 34 and a limit block 35; the fixed seat 31 is clamped at one end of the steel tapping groove seat 2; two groups of side plates 32 are arranged, and the two groups of side plates 32 are respectively and fixedly connected to two sides of the fixed seat 31; the hexagon socket head cap screw 311 is connected with the two ends of the fixed seat 31 in a threaded manner; the cylinder 34 is fixedly connected in the fixed seat 31; the push block 33 is connected between the side plates 32 on the two sides in a sliding manner; the output end of the cylinder 34 is fixedly connected to one side of the push block 33 close to the cylinder 34; the limiting block 35 is fixedly connected to the middle of the side plate 32.
When the steel slag cooling device works, when cooling steel slag in the steel tapping groove seat 2 is swept, firstly, the adjusting mechanism and the sweeping mechanism 3 are clamped at one end, far away from an electric arc furnace, of the steel tapping groove seat 2 under the action of human, in order to further achieve the fixing effect of the fixing seat 31, and then when the adjusting mechanism is clamped at one end of the steel tapping groove seat 2, the fixing seat 31 is fixed at one end of the steel tapping groove seat 2 by using the hexagon socket head cap screw 311, then, the cylinder 34 is started, the push block 33 is pushed by the cylinder 34 to slide on the side plate 32 in an inclined manner, so that when the push block 33 slides from the top end to the bottom end of the side plate 32, the push block can gradually contact with the fixing plate 36 and drive the fixing plate 36 to slide transversely at the bottom end of the side plate 32; when the pushing block 33 slides to the bottom end of the side plate 32, the pushing block is limited by the limiting block 35 and cannot slide continuously, and at this time, the fixing plate 36 reaches the end position.
In one embodiment of the present invention, the fixing plate 36 is disposed between the two side plates 32, and a return assembly is disposed at an end of the fixing plate 36 away from the cylinder 34.
As an embodiment of the present invention, the return assembly is composed of a straight rod 37 and a third spring 38; one end of the straight rod 37 is fixedly connected to the fixing plate 36, and the other end of the straight rod 37 is connected to the side plates 32 on the two sides through a through hole; the third spring 38 is sleeved on the straight rod 37, and one end of the third spring 38 is fixedly connected to the fixing plate 36.
When the fixing plate 36 is pushed by the pushing block 33 to horizontally move across the bottom ends of the side plates 32, the straight rod 37 arranged at the front end slides the through hole at the front ends of the side plates 32 at the two sides, and when the third spring 38 sleeved on the straight rod 37 contacts and compresses the front ends of the side plates 32, the third spring 38 generates elastic potential energy, and when the cylinder 34 contracts, the fixing plate 36 can be driven to return to the initial position under the elastic potential energy of the third spring 38.
In an embodiment of the present invention, a third sliding slot 321 is formed in the side plate 32 at a position corresponding to the pushing block 33, and a second spring 322 is fixed to an end of the third sliding slot 321 away from the cylinder 34.
In an embodiment of the present invention, two ends of the pushing block 33 are slidably connected to the third sliding grooves 321 on two sides, respectively, and the other end of the second spring 322 is fixed to the pushing block 33.
When the pneumatic pushing device works, when the air cylinder 34 acts, the output end of the pneumatic pushing device drives the pushing block 33 to slide obliquely on the side plates 32 on the two sides, the two ends of the pushing block 33 are provided with the connecting blocks, the connecting blocks slide in the third sliding grooves 321, when the air cylinder 34 pushes the pushing block 33, the connecting blocks drive the pushing block 33 to slide obliquely in the third sliding grooves 321, and the second spring 322 is extruded in the sliding process, so that the second spring 322 is extruded to generate elastic potential energy, and when the air cylinder 34 contracts, the second spring 322 drives the pushing block 33 to return to the initial position by using the generated elastic potential energy.
As an embodiment of the present invention, a movable cavity 122 is disposed on a side wall of the communication pipe 121, and a fixture block 123 is movably connected in the movable cavity 122; a first spring 124 is fixedly connected to the bottom of the movable cavity 122, and the other end of the first spring 124 is fixedly connected to the bottom of the latch 123.
As an embodiment of the present invention, a first sliding chute 131 and four sets of second sliding chutes 132 are formed in the purging tube 13; four sets of No. two spout 132 equidistance are arranged in the inner wall of sweeping pipe 13, just No. one spout 131 all communicates with four sets of No. two spout 132.
During operation, when the communicating pipe 121 is fitted and connected in the purging pipe 13, the fixture block 123 arranged inside the communicating pipe 121 can be manually driven to slide in the first sliding groove 131 in the purging pipe 13, and when the communicating pipe moves to a proper position, the purging pipe 13 is manually rotated, so that the fixture block 123 located at the fixed position of the communicating pipe 121 can slide in the second sliding groove 132 and be clamped on the inner wall of the purging pipe 13 when the fixture block slides to the tail end of the second sliding groove 132; the tail end of the second sliding groove 132 on the purging pipe 13 is provided with a clamping groove, and when the clamping block 123 slides to the tail end of the second sliding groove 132, the clamping block can be clamped in the clamping groove, so that the purging pipe 13 and the communicating pipe 121 are fixed.
As an embodiment of the present invention, the latch 123 is slidably connected in the first sliding slot 131 and the second sliding slot 132; the first sliding groove 131 is of a rectangular structure, and the second sliding groove 132 is of an arc structure.
During operation, No. two spout 132 are two separation arc spouts that the symmetry was arranged, and the quantity of the fixture block 123 that just corresponds is two sets of, and when the people rotated and sweeps pipe 13, two opposite fixture blocks 123 homoenergetic slided in No. two spout 132.
In one embodiment of the present invention, the steel tapping spout base 2 has a wedge-shaped structure, and the side plates 32 are correspondingly arranged in a wedge-shaped structure.
The working principle is as follows: the tapping hole of the traditional electric arc furnace is generally of a circular structure, and when tapping hole cleaning equipment aiming at the circular structure on the market is applied to the tapping trough seat 2 of the wedge-shaped structure, the cleaning effect on the tapping trough seat 2 cannot be exerted, so that the adaptability of the equipment is poor, the cleaning effect on the tapping trough seat 2 is poor, and the production efficiency of a steel plant is influenced;
when the device is used, firstly, the adjusting mechanism and the purging mechanism 3 are clamped at one end, far away from an electric arc furnace, of the steel tapping groove seat 2 under the action of human beings, in order to further realize the fixing effect on the fixing seat 31, when the adjusting mechanism is clamped at one end of the steel tapping groove seat 2, the fixing seat 31 needs to be fixed at one end of the steel tapping groove seat 2 by using the hexagon socket head cap screw 311, then the cylinder 34 is started, the push block 33 is pushed by the cylinder 34 to slide obliquely on the side plate 32, and therefore when the push block 33 slides from the top end to the bottom end of the side plate 32, the push block can gradually contact with the fixing plate 36 and drive the fixing plate 36 to slide transversely at the bottom end of the side plate 32; when the fixed plate 36 is pushed by the push block 33 to horizontally move at the bottom end of the side plate 32, the straight rod 37 arranged at the front end slides the through hole at the front end of the side plate 32 at two sides, and when the third spring 38 sleeved on the straight rod 37 is contacted with and compressed at the front end of the side plate 32, the third spring 38 generates elastic potential energy, and when the cylinder 34 contracts, the fixed plate 36 can be driven to return to the initial position under the elastic potential energy of the third spring 38; when the push block 33 slides to the bottom end of the side plate 32, the push block cannot slide continuously under the limiting action of the limiting block 35, and at the moment, the fixing plate 36 reaches the tail end position, so that the purging pipe 13 can go deep into the steel tapping groove seat 2, and further the deep cleaning effect on the steel tapping groove seat 2 is realized;
when the purging pipe 13 works, air in the compressed air tank 1 is introduced into the communicating pipe 121 through the air control valve 12 by the air pipe 11 and is introduced into the purging pipe 13 through the communicating pipe 121, so that cooling steel slag around the steel tapping bath seat 2 can be purged through the purging pipe head 133, in practical application, the purging mechanism 3 is arranged in the adjusting mechanism and can horizontally move in the steel tapping bath seat 2 under the driving of the adjusting mechanism, and further the deep purging effect on the steel tapping bath seat 2 is realized, wherein when the air in the compressed air tank 1 is discharged into the air control valve 12 by the air pipe 11, the air control valve 12 can adjust the air amount entering the communicating pipe 121 per unit time, so that the purpose of adjusting the pressure of the air in the purging pipe 13 is realized; compared with the traditional purging mechanism 3 pushed by a lifting and contracting rod, the purging mechanism 3 driven by the adjusting mechanism can be more suitable for the steel tapping groove seat 2 with a wedge-shaped structure.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (10)
1. The utility model provides an electric arc furnace goes out steel hole cleaning device which characterized in that: comprises a steel tapping groove seat (2), an adjusting mechanism and a blowing mechanism (3); the adjusting mechanism is arranged in the tapping groove seat (2), and the purging mechanism (3) is arranged in the adjusting mechanism;
the purging mechanism (3) consists of a fixing plate (36), a compressed air tank (1), an air pipe (11), an air control valve (12), a communicating pipe (121), a purging pipe (13) and a purging pipe head (133); the air control valve (12) is fixedly connected to the fixing plate (36); one end of the air pipe (11) is communicated with the compressed air tank (1), and the other end of the air pipe (11) is communicated with the air control valve (12); one end of the communicating pipe (121) is communicated with the side wall of one end of the air control valve (12), and one end of the purging pipe (13) is communicated with the other end of the communicating pipe (121); the purging pipe head (133) is arranged at the other end of the purging pipe (13).
2. The device for cleaning the steel outlet hole of the electric arc furnace as claimed in claim 1, wherein: the adjusting mechanism consists of a fixed seat (31), an inner hexagon bolt (311), a side plate (32), a push block (33), an air cylinder (34) and a limiting block (35); the fixed seat (31) is clamped at one end of the steel tapping groove seat (2); the two groups of side plates (32) are arranged, and the two groups of side plates (32) are fixedly connected to two sides of the fixed seat (31) respectively; the inner hexagon bolt (311) is in threaded connection with two ends of the fixed seat (31); the air cylinder (34) is fixedly connected in the fixed seat (31); the push block (33) is connected between the side plates (32) at two sides in a sliding manner; the output end of the cylinder (34) is fixedly connected to one side, close to the cylinder (34), of the push block (33); the limiting blocks (35) are fixedly connected to the middle parts of the side plates (32).
3. The device for cleaning the steel outlet hole of the electric arc furnace as claimed in claim 2, wherein: the fixing plate (36) is arranged between the side plates (32) on the two sides, and a restoring assembly is arranged at one end, far away from the air cylinder (34), of the fixing plate (36).
4. The device for cleaning the steel outlet hole of the electric arc furnace as claimed in claim 3, wherein: the return assembly consists of a straight rod (37) and a third spring (38); one end of the straight rod (37) is fixedly connected to the fixing plate (36), and the other end of the straight rod (37) is connected to the side plates (32) on the two sides in a penetrating mode; the third spring (38) is sleeved on the straight rod (37), and one end of the third spring (38) is fixedly connected to the fixing plate (36).
5. The device for cleaning the steel outlet hole of the electric arc furnace as claimed in claim 4, wherein: a third sliding groove (321) is formed in the position, corresponding to the push block (33), of the side plate (32), and a second spring (322) is fixedly connected to one end, far away from the air cylinder (34), of the third sliding groove (321).
6. The device for cleaning the tap hole of the electric arc furnace as claimed in claim 5, wherein: two ends of the push block (33) are respectively connected in the third sliding grooves (321) on two sides in a sliding mode, and the other end of the second spring (322) is fixedly connected to the push block (33).
7. The device of claim 6, wherein: a movable cavity (122) is formed in the side wall of the communication pipe (121), and a clamping block (123) is movably connected in the movable cavity (122); a first spring (124) is fixedly connected to the bottom of the movable cavity (122), and the other end of the first spring (124) is fixedly connected to the bottom of the clamping block (123).
8. The device of claim 7, wherein: a first sliding groove (131) and four groups of second sliding grooves (132) are formed in the purging pipe (13); four sets of No. two spout (132) equidistance are arranged in the inner wall of sweeping pipe (13), just No. one spout (131) all communicate with four sets of No. two spout (132).
9. The device for cleaning the steel outlet hole of the electric arc furnace as claimed in claim 8, wherein: the fixture block (123) is connected in the first sliding groove (131) and the second sliding groove (132) in a sliding manner; the first sliding groove (131) is of a rectangular structure, and the second sliding groove (132) is of an arc structure.
10. The device for cleaning the steel outlet hole of the electric arc furnace as claimed in claim 9, wherein: the steel tapping groove seat (2) is of a wedge-shaped structure, and the side plates (32) are correspondingly arranged into wedge-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276468.XA CN114058781B (en) | 2021-10-29 | 2021-10-29 | Cleaning device for steel outlet hole of electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276468.XA CN114058781B (en) | 2021-10-29 | 2021-10-29 | Cleaning device for steel outlet hole of electric arc furnace |
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| CN114058781B true CN114058781B (en) | 2022-09-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB660619A (en) * | 1947-03-18 | 1951-11-07 | Louis Legrand | Improvements in or relating to the cleaning of boilers and other apparatus |
| IT1284643B1 (en) * | 1996-05-14 | 1998-05-21 | Acciai Speciali Terni Spa | CLEANING SYSTEM OF THE CASTING CHANNEL OF ELECTRIC ARC FURNACES WITH E.B.T. SYSTEM |
| CN209957821U (en) * | 2019-03-26 | 2020-01-17 | 邯郸钢铁集团有限责任公司 | Blast furnace tapping chute observation hole structure |
| CN210945669U (en) * | 2019-08-21 | 2020-07-07 | 江阴兴澄特种钢铁有限公司 | Oxygen blowing device for electric furnace steel tapping |
| CN211005474U (en) * | 2019-12-13 | 2020-07-14 | 马鞍山钢铁股份有限公司 | Steel slag cleaning device for steel tapping hole of electric arc furnace |
| EP3892947B1 (en) * | 2020-04-08 | 2022-01-12 | Badische Stahl-Engineering GmbH | Device and method for maintaining the tap hole of an electric arc furnace |
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Address after: Suzhou City, Jiangsu province 215625 Zhangjiagang City Jin Fengzhen Shagang Technology Building Patentee after: Jiangsu Shagang Steel Co.,Ltd. Country or region after: China Patentee after: JIANGSU SHAGANG GROUP Co.,Ltd. Address before: Suzhou City, Jiangsu province 215625 Zhangjiagang City Jin Fengzhen Shagang Technology Building Patentee before: ZHANGJIAGANG HONGCHANG STEEL PLATE Co.,Ltd. Country or region before: China Patentee before: JIANGSU SHAGANG GROUP Co.,Ltd. |