CN115070162A - Intelligent environment-friendly cutting method and device for bulk steel scraps - Google Patents
Intelligent environment-friendly cutting method and device for bulk steel scraps Download PDFInfo
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- CN115070162A CN115070162A CN202210845319.9A CN202210845319A CN115070162A CN 115070162 A CN115070162 A CN 115070162A CN 202210845319 A CN202210845319 A CN 202210845319A CN 115070162 A CN115070162 A CN 115070162A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 194
- 239000010959 steel Substances 0.000 title claims abstract description 194
- 238000005520 cutting process Methods 0.000 title claims abstract description 169
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 37
- 238000009628 steelmaking Methods 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 53
- 239000000178 monomer Substances 0.000 claims description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 17
- 239000003546 flue gas Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000779 smoke Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002893 slag Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to an intelligent environment-friendly cutting method and device for bulk steel scraps, which comprises the following steps: s1, conveying and feeding large blocks of waste steel, conveying the large blocks of waste steel to a waste steel cutting workshop by using a loader, and starting an overhead crane and an electromagnetic chuck to automatically unload the large blocks of waste steel and lay the large blocks of waste steel on a cutting table; s2, identifying the type of the scrap steel according to a preset model; s3, carrying out classified cutting according to the identification type, starting the movable cover to move to the position right above the cutting table, and starting the cutting arm to carry out automatic ignition cutting on the large scrap steel; s4, blanking and conveying small pieces of scrap steel, after cutting large pieces of scrap steel into small pieces of scrap steel, moving the movable cover away from the upper part of the cutting table, starting the crown block and the electromagnetic chuck, and moving the small pieces of scrap steel to a loader and conveying the small pieces of scrap steel to a steelmaking workshop; the intelligent environment-friendly cutting method and device for the massive steel scraps greatly improve the equipping level of the massive steel scraps cutting, improve the steel scrap cutting efficiency and improve the operation environment.
Description
Technical Field
The invention relates to an intelligent environment-friendly cutting method and device for massive scrap steel, in particular to an intelligent environment-friendly cutting method and device for massive scrap steel generated in the steel-making and steel slag treatment production processes of steel enterprises.
Background
In recent years, the steel yield of China exceeds 10 hundred million tons every year, and the steel yield accounts for more than half of the whole world. A large amount of scrap steel is produced in the steel production process, such as continuous casting billet head cutting and tail cutting, pouring of residual scrap steel in a tundish, and bulk scrap steel produced in the steel slag treatment process. The large scrap steel is an important steel resource, and the resource recycling significance is great.
At present, the yield of steel products in China is about 95%, and thousands of tons of waste steel need to be cut every year by considering the waste steel such as large steel slag. For a medium-sized iron and steel enterprise with annual output of 500 ten thousand tons, the amount of scrap steel required to be cut every year is often more than 20 ten thousand tons. Therefore, scrap cutting is a necessary processing plant for steel enterprises, heavy machinery plants and other related enterprises.
A large amount of high-temperature dust can be generated in the cutting process of the scrap steel, the dust contains a large amount of oxidized scrap iron, the production and operation environment is very severe, and serious dust pollution can be generated if effective dust removal measures are not taken. At present, domestic steel scrap cutting is often carried out in the open air or in steel plants, and the treatment environment is very severe. The existing steel enterprise scrap cutting mainly depends on manual operation, high-temperature radiation and spark sputtering in the treatment process have great potential safety hazards, the post operation environment is extremely poor, relevant workers are difficult to be called, and the steel enterprise production and retrograde operation are not facilitated.
The existing scrap steel cutting production has the problems of serious environmental pollution, dangerous post operation and the like, and the development of a novel environment-friendly and intelligent scrap steel cutting process is urgently needed to replace the traditional backward scrap steel cutting process.
The novel scrap steel cutting process and equipment development are carried out aiming at the problems that the existing scrap steel cutting operation environment is poor, the spark splashing manual operation danger is high, the smoke and dust unorganized emission environment is poor and the like. The intelligent environment-friendly cutting method and device for the massive scrap steel have the advantages of high equipment automation level, high production efficiency, organized environmental emission, low production noise and the like. The technology realizes the efficient environment-friendly treatment of the bulk steel scraps, remarkably improves the treatment efficiency of the bulk steel scraps, and is a leap-type upgrade to the technical equipment of the existing scrap steel cutting process.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent environment-friendly cutting method and device for bulk steel scraps, which are used for solving the technical problem of severe manual operation environment in the prior art, and the organized discharge of smoke is realized by adopting dust removal facilities such as a movable cover and the like in the treatment process, so that the production process is environment-friendly.
In order to solve the technical problem, the invention relates to an intelligent environment-friendly cutting method for bulk steel scraps, which comprises the following steps:
s1, conveying and feeding large blocks of waste steel, conveying the large blocks of waste steel to a waste steel cutting workshop by using a loader, and starting an overhead crane and an electromagnetic chuck to automatically unload the large blocks of waste steel and lay the large blocks of waste steel on a cutting table;
s2, identifying the type of the scrap steel according to a preset model;
s3, carrying out classified cutting according to the identification type, starting the movable cover to move to the position right above the cutting table, and starting the cutting arm to carry out automatic ignition cutting on the large scrap steel;
and S4, blanking and conveying the small scrap steel, cutting the large scrap steel into the small scrap steel, moving the movable cover away from the upper part of the cutting table, and starting the crown block and the electromagnetic chuck to move the small scrap steel to the loader and convey the small scrap steel to a steelmaking workshop.
Further, in the step S2, identifying the type of the scrap according to the preset model includes extracting sample data of the scrap, where the sample data includes color difference with the scrap and monomer area data, and the type of the scrap is classified and marked according to the sample data.
Further, in step S2, recognizing the type of the scrap according to the preset model includes acquiring image data of the feeding material by using a camera, recognizing whether the scrap is scrap according to color difference by programming, calculating a monomer area for the scrap material, recognizing and judging that the longest straight line distance between any two points of the monomer exceeds 1m, determining that the monomer area exceeds 0.6 square meter, and determining that the monomer is a large piece of scrap, otherwise, determining that the monomer is a small piece of scrap.
Further, the step S3, the classifying and cutting according to the identification type further includes that the cutting arm performs automatic cutting according to the identification and determination result of the camera on the large scrap and the small scrap, and when the large scrap and the small scrap are identified, the cutting arm does not perform cutting and moves to a position above the large scrap.
Furthermore, when the cutting arm cuts the large scrap steel, the distance between two adjacent cutting positions of the same large scrap steel is 0.6-1 m.
Further, the length and the width of the small pieces of scrap steel after cutting are not more than 1m, and 80% of the length and the width are less than 800 mm.
Further, in the step S1, the large pieces of scrap steel are tiled on the cutting table, the minimum distance between two adjacent large pieces of scrap steel is not more than 0.2m, and the tiling position of the large pieces of scrap steel does not exceed the edge around the cutting table.
Further, step S3 includes processing the flue gas during cutting, and starting the dust removal pipe, the gravity dust collector, the bag-type dust collector, and the fan to process the flue gas generated during processing and discharge the flue gas.
Further, the exhaust temperature of the flue gas after passing through the gravity dust collector is not more than 200 ℃, and the dust concentration of the flue gas exhausted out of the chimney after being treated by the bag-type dust collector is lower than 10mg/m 3.
The invention also provides an intelligent environment-friendly cutting device for the massive scrap steel, which comprises: the device comprises a transportation module, a feeding and discharging module, a cutting module, a dust removal module, an identification module and a control module;
the transportation module is used for transporting large scrap steel or small scrap steel;
the feeding and discharging module is movably arranged at the upper parts of the transportation module and the cutting module and is used for feeding large pieces of scrap steel or discharging small pieces of scrap steel of the cutting module;
the cutting module is used for automatically cutting the scrap steel;
the dust removal module is used for automatically treating and discharging the flue gas;
the identification module is used for identifying the type of the scrap steel according to the preset model, extracting sample data of the scrap steel and classifying and marking the type of the scrap steel according to the sample data;
and the control module is used for classifying and cutting according to the identification type, and simultaneously automatically controlling the transportation module, the feeding and discharging module, the cutting module, the dust removal module and the identification module to be matched to finish intelligent environment-friendly cutting of the large scrap steel.
The invention adopts the devices such as the overhead travelling crane, the electromagnetic chuck, the camera, the cutting arm and the like to realize the automatic identification and positioning of the large scrap steel and realize the remote operation to carry out the scrap steel cutting treatment. And sucking out the processed and cut small pieces of scrap steel by using an electromagnetic chuck, and conveying the small pieces of scrap steel to a converter smelting workshop. The difficult problem of severe environment caused by manual operation is solved by adopting automatic cutting process equipment, and the smoke is discharged in an organized manner in the treatment process, so that the production process is environment-friendly.
The automatic cutting device and the automatic cutting method for the large-block steel scraps realize the automatic cutting of the large-block steel scraps from the device and the method, replace the traditional simple and extensive manual cutting steel scrap production mode, have the advantages of high automation degree, high treatment efficiency, good tightness, small space occupation, safe and controllable treatment process, organized emission of smoke and the like, greatly improve the intelligent level of equipment for cutting the large-block steel scraps, improve the steel scrap cutting efficiency and improve the operation environment.
The invention solves the technical problems of poor environment, high risk of spark splashing manual operation, poor smoke and dust unorganized emission environment and the like of the existing scrap steel cutting operation, has the advantages of high equipment automation level, high production efficiency, organized environmental emission, low production noise and the like, realizes the efficient and environment-friendly treatment of large scrap steel, obviously improves the treatment efficiency of the large scrap steel, and is the cross-over upgrade of the existing scrap steel cutting process technical equipment.
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic flow diagram of an intelligent environment-friendly cutting method for bulk steel scraps, provided by the invention;
FIG. 2 is a general schematic diagram of an intelligent environment-friendly cutting device for bulk steel scraps provided by the invention;
FIG. 3 is a schematic cross-sectional view of an intelligent environment-friendly cutting device for bulk steel scraps, provided by the invention;
description of reference numerals:
the device comprises a large scrap-1, a loader-2, a crown block-3, an electromagnetic chuck-4, a cutting table-5, a movable cover-6, a camera-7, a cutting arm-8, a rotating wheel-9, a track-10, a gas cylinder-11, a gas valve-12, a gas pipe-13, a small scrap-14, an observing inner window-15, a dust removing pipe-16, a gravity dust remover-17, a cloth bag dust remover-18, a fan-19 and a chimney-20.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to the attached drawings 1-3, the invention provides an intelligent environment-friendly cutting method for bulk steel scraps, which comprises the following steps:
s1, conveying and loading large blocks of waste steel, conveying the large blocks of waste steel 1 to a waste steel cutting workshop by using a loader 2, and starting a crown block 3 and an electromagnetic chuck 4 to automatically unload the large blocks of waste steel 1 and flatly lay the large blocks of waste steel on a cutting table 5;
s2, identifying the type of the scrap steel according to a preset model;
s3, carrying out classified cutting according to the identification type, starting the movable cover 6 to move to the position right above the cutting table 5, and starting the cutting arm 8 to carry out automatic ignition cutting on the large scrap steel 1;
and S4, blanking and conveying the small scrap steel, cutting the large scrap steel 1 into the small scrap steel 14, moving the movable cover 6 away from the upper part of the cutting table 5, starting the crown block 3 and the electromagnetic chuck 4, and moving the small scrap steel 14 to the loader 2 and conveying the small scrap steel 14 to a steelmaking workshop.
Specifically, in step S2, identifying the type of the scrap steel according to the preset model includes extracting sample data of the scrap steel, where the sample data includes data of color difference with the scrap steel and monomer area, and the type of the scrap steel is labeled according to the sample data classification.
Specifically, in step S2, identifying the type of scrap according to the preset model includes acquiring image data of the material fed by the camera 7, identifying whether the scrap is scrap according to color difference through programming, calculating monomer area for the scrap material, identifying and judging whether the longest straight line distance between any two points of the monomer exceeds 1m, determining that the monomer area exceeds 0.6 square meter and determining that the monomer area is large scrap 1, and determining that the monomer area is small scrap 14.
Specifically, the step S3 of performing classified cutting according to the identification type further includes that the cutting arm 8 performs automatic cutting according to the identification judgment result of the camera 7 on the large scrap 1 and the small scrap 14, and when the large scrap 1 and the small scrap 14 are identified, the cutting arm 8 does not perform cutting and moves to the position above the large scrap 1.
Specifically, when the cutting arm 8 cuts the large scrap steel 1, the distance between two adjacent cutting positions of the same large scrap steel 1 is 0.6-1 m.
Specifically, the length and the width of the small scrap steel 14 after cutting are not more than 1m, and 80% of the length and the width are less than 800 mm.
Specifically, the gas cylinder 11 supplies cutting gas to the cutting arm 8 through the gas valve 12 and the gas pipe 13.
Specifically, in step S1, the large pieces of steel scrap 1 are tiled on the cutting table 5, the minimum distance between two adjacent large pieces of steel scrap 1 is not more than 0.2m, and the tiling position of the large pieces of steel scrap 1 should not exceed the edge around the cutting table 5.
Specifically, the step S3 further includes processing flue gas during cutting, wherein the flue gas contains a large amount of high-temperature sparks and dust during the cutting and crushing process of the large scrap 1, and the flue gas generated during the processing process is processed and discharged by starting the dust removal pipe 16, the gravity dust remover 17, the bag-type dust remover 18 and the fan 19 during the cutting process.
Specifically, the temperature of the discharged flue gas after passing through the gravity dust collector 17 is not more than 200 ℃, and the dust concentration of the flue gas discharged from the chimney 19 after being treated by the bag-type dust collector 18 is lower than 10mg/m 3.
The invention also provides an intelligent environment-friendly cutting device for the massive steel scraps, which comprises: a transportation module, a feeding and discharging module, a cutting module, a dust removal module, an identification module and a control module,
the transportation module is used for transporting large scrap steel 1 or small scrap steel 14;
the feeding and discharging module is movably arranged at the upper parts of the transportation module and the cutting module and is used for feeding large scrap steel 1 or discharging small scrap steel 14 of the cutting module;
the cutting module is used for automatically cutting the scrap steel;
the dust removal module is used for automatically treating and discharging the flue gas;
the identification module is used for identifying the type of the scrap steel according to the preset model, extracting sample data of the scrap steel and classifying and marking the type of the scrap steel according to the sample data;
and the control module is used for classifying and cutting according to the identification type, and simultaneously automatically controlling the transportation module, the feeding and discharging module, the cutting module, the dust removal module and the identification module to be matched to finish intelligent environment-friendly cutting of the large scrap steel.
Specifically, the feeding and discharging module comprises a crown block 3 and an electromagnetic chuck 4, the crown block 3 is horizontally and movably bridged at the tops of the transportation module and the cutting module, and the electromagnetic chuck 4 is vertically and movably arranged at the lower part of the crown block 3.
Specifically, the cutting module includes cutting bed 5, removes cover 6, camera 7, cutting arm 8, runner 9, track 10, the mobilizable covering of removal cover 6 or non-covering cutting bed 5, upper portion has set firmly camera 7, cutting arm 8 in removing cover 6, it is equipped with runner 9 to remove cover 6 bottom, removes cover 6 and passes through runner 9 and follow track 10 removes.
Specifically, the cutting module further comprises a gas cylinder 11, a gas valve 12, a gas pipe 13 and an observing inner window 15, the gas cylinder 11 is connected with the cutting arm 8 through the gas valve 12 and the gas pipe 13 to supply gas, and the observing inner window 15 is arranged on the side wall of the movable cover 6.
In particular, the dust removal module comprises a dust removal duct 16, said dust removal duct 16 being connected to a plurality of mobile cowls 6 close to the cutting module.
Specifically, the dust removal module further comprises a gravity dust remover 17, a bag-type dust remover 18, a fan 19 and a chimney 20, and the dust removal pipe 16 far away from the cutting module is sequentially communicated with the gravity dust remover 17, the bag-type dust remover 18, the fan 19 and the chimney 20.
In particular, the transport module is a mobile loader 2, said loader 2 being one or more.
Specifically, the cutting arm 8 is a steel structure automatic mechanical arm, the cutting arm 8 is installed in the middle of the upper portion of the steel structure cover body of the movable cover 6, and the cutting arm can move in three dimensions to touch any point position of the cutting table 5.
Specifically, the movable cover 6 is a steel structure cover body, and the length and width dimensions of the movable cover 6 are larger than those of the cutting table 5 by more than 0.5m so as to completely cover the cutting table 5.
Specifically, the transportation module, the feeding and discharging module, the cutting module and the dust removal module are all operated automatically and controlled through remote or online control operation.
The height of the rail top of the crown block 3 is not lower than 9 m, and the load of the electromagnetic chuck 4 is not lower than 10 t; the cutting table 5 is a steel or concrete structure platform, and the length and the width of the cutting table are not less than 5 m. The movable cover 6 is a steel structure cover body, and the thickness of a steel plate is not less than 3 mm; the length and the width of the movable cover 6 are larger than those of the cutting table 5 by not less than 0.5m, and the movable cover can completely cover the cutting table 5. The resolution of the camera 7 high-definition camera is not lower than 300 ten thousand pixels. Cutting arm 8 is steel construction automatic mechanical arm, and cutting arm 8 installs in steel construction cover body upper portion intermediate position, can realize 3 dimension and remove, can touch 5 arbitrary points in cutting bed. The gas cylinder 11 is a steel structure pressure container, and the design pressure is not lower than 1 MPa; the gas in the gas cylinder 11 is cutting gas such as propane gas, propylene gas, acetylene gas and the like; the gas valve 12 is an electromagnetic regulating valve. The overhead traveling crane 3 is an automatic overhead traveling crane, the overhead traveling crane 3 moves and positions, the electromagnetic chuck 4, the camera 7 and the fan 19 are opened and closed, the movable cover 6 moves, and the air valve 12 is adjusted and the cutting arm 8 cuts and moves to be operated through programming remote control. The main body of the viewing inner window 15 is made of high-temperature-resistant transparent glass, the thickness of the glass is not less than 3mm, and the length and the width of the viewing inner window 15 are not less than 200 mm. The rail 10 is a steel rail. The main bodies of the dust removal pipe 16, the gravity dust remover 17, the bag-type dust remover 18 and the chimney 20 are all steel structures; no less than 3 steel structure baffles are arranged in the gravity dust collector 17; the diameter of the dust removal pipe 16 is not less than 500 mm; the fan 19 is a variable frequency fan with air quantity not less than 5 ten thousand m 3 。
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An intelligent environment-friendly cutting method for massive steel scraps is characterized by comprising the following steps:
s1, conveying and feeding large blocks of waste steel, conveying the large blocks of waste steel (1) to a waste steel cutting workshop by using a loader (2), and starting an overhead crane (3) and an electromagnetic chuck (4) to automatically unload the large blocks of waste steel (1) and flatly lay the large blocks of waste steel on a cutting table (5);
s2, identifying the type of the scrap steel according to a preset model;
s3, carrying out classified cutting according to the identification type, starting the movable cover (6) to move to the position right above the cutting table (5), and starting the cutting arm (8) to carry out automatic ignition cutting on the large scrap steel (1);
and S4, blanking and conveying the small scrap steel, cutting the large scrap steel (1) into the small scrap steel (14), moving the movable cover (6) away from the upper part of the cutting table (5), starting the crown block (3) and the electromagnetic chuck (4), and moving the small scrap steel (14) to the loader (2) and conveying the small scrap steel to a steelmaking workshop.
2. The intelligent environment-friendly cutting method for the large blocks of waste steel according to claim 1, wherein in the step S2, identifying the type of the waste steel according to the preset model comprises extracting sample data of the waste steel, wherein the sample data comprises color difference with the waste steel and monomer area data, and classifying and marking the type of the waste steel according to the sample data.
3. The intelligent environment-friendly cutting method for the large pieces of waste steel according to claim 1, wherein in the step S2, identifying the type of the waste steel according to the preset model comprises acquiring image data of a feeding material by a camera (7), identifying whether the waste steel is waste steel according to color difference through programming, calculating the area of a monomer for identifying and judging the waste steel material, determining that the longest straight line distance between any two points of the monomer exceeds 1m, determining that the monomer area exceeds 0.6 square meter to be the large pieces of waste steel (1), and determining that the monomer area is the small pieces of waste steel (14) if the monomer area exceeds 0.6 square meter.
4. The intelligent environment-friendly cutting method for the large scrap steel according to claim 1, wherein in the step S3, the classification and cutting according to the identification type further comprises the step that the cutting arm (8) automatically cuts the large scrap steel (1) and the small scrap steel (14) according to the identification and judgment results of the camera (7), and when the large scrap steel (1) is identified as the small scrap steel (14), the cutting arm (8) does not cut and moves to the position above the large scrap steel (1).
5. The intelligent environment-friendly cutting method for the large waste steel blocks as claimed in claim 4, wherein when the cutting arm (8) cuts the large waste steel blocks (1), the distance between two adjacent cutting positions of the same large waste steel block (1) is 0.6-1 m.
6. The intelligent environment-friendly cutting method for the large scrap steel according to claim 5, wherein the length and the width of the small scrap steel (14) after being cut are both not more than 1m, and 80% of the length and the width are less than 800 mm.
7. The intelligent environment-friendly cutting method for the large blocks of steel scraps according to claim 1, wherein in the step S1, the large blocks of steel scraps (1) are tiled on the cutting table (5), the minimum distance between two adjacent large blocks of steel scraps (1) is not more than 0.2m, and the tiling position of the large blocks of steel scraps (1) is not more than the edge around the cutting table (5).
8. The intelligent environment-friendly cutting method of the bulk steel scrap according to claim 1, wherein the step S3 further comprises the step of processing the flue gas during cutting, and the dust removal pipe (16), the gravity dust collector (17), the bag-type dust collector (18) and the fan (19) are started to process and discharge the flue gas generated in the processing process.
9. The intelligent environment-friendly cutting method for the bulk steel scraps according to claim 8, wherein the temperature of the flue gas discharged after passing through the gravity dust collector (17) is not more than 200 ℃, and the dust concentration of the flue gas discharged out of the chimney (19) after being treated by the bag-type dust collector (18) is lower than 10mg/m 3 。
10. An intelligent environment-friendly cutting device for massive steel scraps, which is used for the intelligent environment-friendly cutting method for the massive steel scraps according to any one of claims 1-9, and is characterized by comprising the following components: the device comprises a transportation module, a feeding and discharging module, a cutting module, a dust removal module, an identification module and a control module;
a transportation module for transporting large scrap (1) or small scrap (14);
the feeding and discharging module is movably arranged at the upper parts of the conveying module and the cutting module and is used for feeding large scrap steel (1) or small scrap steel (14) of the cutting module;
the cutting module is used for automatically cutting the scrap steel;
the dust removal module is used for automatically treating and discharging the flue gas;
the identification module is used for identifying the type of the scrap steel according to the preset model, extracting sample data of the scrap steel and classifying and marking the type of the scrap steel according to the sample data;
and the control module is used for classifying and cutting according to the identification type, and simultaneously automatically controlling the transportation module, the feeding and discharging module, the cutting module, the dust removal module and the identification module to be matched to finish intelligent environment-friendly cutting of the large scrap steel.
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