CN111254242A - Environment-friendly treatment method for liquid steel slag in steel plant - Google Patents
Environment-friendly treatment method for liquid steel slag in steel plant Download PDFInfo
- Publication number
- CN111254242A CN111254242A CN202010176226.2A CN202010176226A CN111254242A CN 111254242 A CN111254242 A CN 111254242A CN 202010176226 A CN202010176226 A CN 202010176226A CN 111254242 A CN111254242 A CN 111254242A
- Authority
- CN
- China
- Prior art keywords
- rod
- wall
- tank body
- steel slag
- welded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 101
- 239000010959 steel Substances 0.000 title claims abstract description 101
- 239000002893 slag Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 238000011282 treatment Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003546 flue gas Substances 0.000 claims abstract description 28
- 239000000779 smoke Substances 0.000 claims abstract description 27
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000009628 steelmaking Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention relates to an environment-friendly treatment method of liquid steel slag in a steel plant, which comprises a tank body assembly, a grinding mechanism, a screening mechanism, a first motor, a feed hopper, a second motor and a collecting bag, wherein the tank body is arranged at the upper end of a fixed frame, a hydraulic push rod is arranged at the center of the top of the tank body, a blanking mechanism is arranged at the bottom of the tank body, smoke discharge mechanisms are symmetrically arranged on the outer wall of the tank body, a feed pipe is arranged on the outer wall of the tank body and positioned at the middle position of the two smoke discharge mechanisms, the hydraulic push rod penetrates through the tank body, a crushing plate is welded at the bottom of the hydraulic push rod, crushing triangular pyramids are welded at equal intervals on the outer wall of the bottom of the crushing plate, a discharge pipeline is arranged in the tank body, and the joint of the discharge pipeline and the tank body is fixed by welding, and the flue gas filtering mechanism has the self-cleaning effect, and the service life is ensured.
Description
Technical Field
The invention relates to the technical field of steel plant steel slag treatment processes, in particular to an environment-friendly treatment method for liquid steel slag in a steel plant.
Background
A by-product of the steel making process. It is composed of various oxides formed by oxidizing impurities in pig iron, such as silicon, manganese, phosphorus, sulfur, etc. in the smelting process, and salts generated by the reaction of these oxides and solvent. Steel slag contains many useful components and can be used as a raw material for ferrous metallurgy. The steel slag as a secondary resource is comprehensively utilized by two main ways, one way is that the steel slag is used as a smelting solvent to be recycled in the factory, so that the steel slag not only can replace limestone, but also can recover a large amount of metallic iron and other useful elements; the other is used as a raw material for manufacturing road building materials, building materials or agricultural fertilizers. And because the steel slag in the production process has a large size, the steel slag needs to be crushed so as to be convenient for later-stage circular processing.
The environmental protection treatment method for the liquid steel slag of the steel plant in the current market has the following problems in the operation process: a. because the traditional environment-friendly treatment method for the liquid steel slag in the steel plant needs to cool the steel slag before crushing the steel slag, the steel slag is hardened, a large amount of smoke is generated in the cooling process, part of treatment methods do not effectively control the smoke, the smoke is directly discharged into the atmosphere, the environment pollution is caused, and meanwhile, part of smoke filtering mechanisms are easy to cause large-area blockage of filtering holes in long-time work, so that the service life of the smoke filtering mechanisms cannot be guaranteed; b. because the traditional environment-friendly treatment method for the liquid steel slag in the steel plant crushes the steel slag, partial steel slag is easy to remain in a crushing area, the crushed steel slag cannot be completely separated from a crushing device, and the blanking effect is poor.
Disclosure of Invention
In order to solve the above problems, the present invention provides an environment-friendly method for treating liquid steel slag in a steel plant, which can solve the above problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the environment-friendly treatment method of the liquid steel slag in the steel plant uses an environment-friendly treatment device of the liquid steel slag in the steel plant, the environment-friendly treatment device of the liquid steel slag in the steel plant comprises a tank body, a feeding pipe, a hydraulic push rod, a smoke discharging mechanism and a blanking mechanism, and the specific method when the environment-friendly treatment device of the liquid steel slag in the steel plant is adopted to carry out crushing operation on the steel slag comprises the following steps:
s1, cooling steel slag: pouring out the liquid steel slag in the steelmaking furnace, and naturally cooling until the liquid steel slag is cooled to be solid;
s2, pouring steel slag: pouring naturally cooled steel slag into the tank body through a feeding pipe by a forklift;
s3, crushing the steel slag: the hydraulic push rod is manually controlled to work, and the steel slag poured into the tank body is crushed through the hydraulic push rod;
s4, smoke emission: filtering the flue gas generated in the step S3 through a flue gas discharge mechanism, and discharging the filtered flue gas from the top end of the flue gas discharge mechanism;
s5, discharging steel slag: manually controlling the blanking mechanism to operate, and discharging the steel slag crushed in the step S3 from the tank body;
the tank body is arranged at the upper end of the fixing frame, a hydraulic push rod is arranged at the center of the top of the tank body, the bottom of the tank body is provided with a blanking mechanism, the outer wall of the tank body is symmetrically provided with smoke emission mechanisms, and a feeding pipe is arranged on the outer wall of the tank body and positioned in the middle of the two smoke emission mechanisms;
the hydraulic push rod penetrates through the tank body, a crushing plate is welded at the bottom of the hydraulic push rod, and crushing triangular cones are welded on the outer wall of the bottom of the crushing plate at equal intervals;
the smoke discharging mechanism comprises a discharging pipeline, an atomizing nozzle, an external water valve, a smoke filtering component, a guide plate and a linkage component, wherein the discharging pipeline is installed in the tank body, the connecting part of the discharging pipeline and the tank body is fixed through welding, the lower end of the bottom of the discharging pipeline is connected with the guide plate, the guide plate is inclined to the discharging pipeline, the atomizing nozzle is installed in the discharging pipeline, a water inlet pipe is connected to the outer side of the atomizing nozzle, one end of the water inlet pipe is connected with the external water valve, the external water valve is fixed on the outer wall of the discharging pipeline through a bolt, the smoke filtering component is arranged in the discharging pipeline and is positioned right above the atomizing nozzle, one end of the smoke filtering component is connected with the linkage component, and;
the blanking mechanism comprises a fixed rod, a bearing plate, a pushing assembly and a hydraulic telescopic rod, the fixed rod is correspondingly welded on the outer wall of the tank body, a rotating shaft is installed at the bottom of the fixed rod, the bearing plate is welded at one side of the rotating shaft, a hinged support is installed on the outer wall of the bottom of the bearing plate, one end of the hinged support is connected with the hydraulic telescopic rod, the hydraulic telescopic rod is fixed at one side of the fixing frame through a bolt, the outer side wall of the bottom of the fixed rod is provided with the pushing assembly, and the other end.
Further, the filtering component comprises a hollow cylinder, a filtering plate, a scraping plate, a driving motor, a rotating round rod, a limiting cylinder, an inserting groove and a semi-circular plate, wherein the hollow cylinder is fixed on the inner wall of the discharge pipeline through a bolt, the driving motor is fixed on the outer wall of the discharge pipeline through a motor mounting rack, the output shaft end of the driving motor is connected with the rotating round rod, the rotating round rod sequentially penetrates through the discharge pipeline and the hollow cylinder, the outer wall of the rotating round rod is symmetrically welded with the filtering plate, filtering holes are formed in the filtering plate at equal intervals, filtering sponge is arranged in the filtering holes, the mounting round groove is formed in the rotating round rod, the inserting groove is formed in one side position of the side wall of the rotating round rod, the scraping plate is inserted in the inserting groove, limiting sliding sleeves are arranged on two sides of the scraping plate, the limiting cylinder is welded on the inner wall of the, the semicircle board is installed to spacing cylindrical bottom outer wall, and spacing cylindrical outer wall just is located the position between spacing sliding sleeve and the semicircle board and is provided with supporting spring.
Further, two spacing traction lever has been placed to the inside of semicircle board, and spacing slider has all been welded to the both ends outer wall of spacing traction lever, and one side of spacing slider pastes mutually with the inner wall of semicircle board, and equidistant embedding of the outer wall of spacing traction lever has the haulage rope, and the end of haulage rope links to each other with the bottom of scraper blade, and the inside of semicircle board and the junction of haulage rope install the gyro wheel, and the left end of spacing traction lever is connected with the actuating lever, and the other end of actuating lever runs through in rotating the round bar and links to each other with the linkage subassembly.
Further, the inside equidistant welding of scraper blade has the connecting rod, and the connecting rod is located two adjacent filter the intermediate position of hole, the equidistant welding in top of connecting rod has the triangle to scrape the piece, and the upper end face that the triangle scraped the piece pastes with the lower terminal surface of filter mutually.
Further, the linkage assembly comprises a protective shell, a first bevel gear, a second bevel gear, a third bevel gear, a fixing plate, a limiting chute, a movable push-pull rod, a rotating sleeve, a linkage rod, a linear track and a rectangular sliding block, wherein the protective shell is fixed on the outer wall of the discharge pipeline, the first bevel gear is welded on the outer wall of the rotating round rod, the upper end of the first bevel gear is meshed with the second bevel gear, one side of the second bevel gear is meshed with the third bevel gear, the second bevel gear and the third bevel gear are both fixed on the inner wall of the protective shell through gear rods, the outer wall of one side of the third bevel gear is welded with a driving gear, the fixing plate is welded on the inner wall of the protective shell, one side of the fixing plate is provided with the limiting chute, the rotating shaft is inserted in the inner, the other end welding of rotation axis has rotatory sleeve, and it has movable push-and-pull rod to peg graft in rotatory sleeve's inside, and the lateral wall welding of activity push-and-pull rod has the stopper, and the stopper is located spacing spout, and the one end swing joint of activity push-and-pull rod has the gangbar, and the one end swing joint of gangbar has the rectangle sliding block, and the other end of rectangle sliding block links to each other with the actuating lever, and the inside at the straight line track is installed in the cooperation of rectangle sliding block, and the inner wall at.
Further, promote the subassembly and include bracing piece, baffle, activity catch bar, the extrusion stem, the track deflects, extrusion spring and track cylinder, the lateral wall at the dead lever is installed to the bracing piece, the one end swing joint of bracing piece has activity catch bar, top one side of activity catch bar is connected with the extrusion stem, the lateral wall welding of activity catch bar has the track cylinder, the track cylinder is located the track that deflects, the orbital inside that deflects is provided with the extrusion spring, the orbital bottom welding of deflecting is at the lateral wall of baffle, the baffle passes through the one side of bolt fastening at the bracing piece.
Furthermore, the standing groove has been seted up to the inside of bearing plate, and the jacking board has been placed to the inside of standing groove, and the up end of jacking board is equidistant to be provided with the T type and extrudes the piece, and the up end that the piece was extruded to the T type flushes with the up end of bearing plate, and the lower terminal surface of jacking board is connected with the jacking track, and the stripper bar runs through in the bearing plate pegs graft in the jacking track.
The invention has the beneficial effects that:
1. according to the environment-friendly treatment method for the liquid steel slag in the steel mill, the flue gas in crushing is comprehensively adsorbed in a mode of combining water spraying and filtering sponge, harmful substances in the flue gas are effectively adsorbed, and the discharged flue gas cannot cause environmental pollution.
2. According to the environment-friendly treatment method for the liquid steel slag in the steel plant, when the crushed steel slag is discharged, the jacking structure is automatically opened, and the residual steel slag on the surface of the bearing plate is pushed out, so that the steel slag and the bearing plate are completely separated, and the discharging effect is better compared with that of a traditional discharging mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of a can body of the present invention;
FIG. 4 is a partial cross-sectional view of the flue gas discharge mechanism of the present invention;
FIG. 5 is a cross-sectional view of a filter assembly of the present invention;
FIG. 6 is a side view of the filter plate, scraper and turning round bar connection assembly of the present invention;
FIG. 7 is a bottom view of the squeegee of the invention;
FIG. 8 is an enlarged, fragmentary view of area A of FIG. 2 in accordance with the present invention;
FIG. 9 is an enlarged partial schematic view of the area B of FIG. 3 in accordance with the present invention;
fig. 10 is an enlarged partial view of the area C of fig. 5 according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to 1-10, the environment-friendly treatment method for the liquid steel slag in the steel plant uses an environment-friendly treatment device for the liquid steel slag in the steel plant, the environment-friendly treatment device for the liquid steel slag in the steel plant comprises a tank body 1, a feeding pipe 2, a hydraulic push rod 3, a smoke discharge mechanism 4 and a blanking mechanism 5, and the specific method for crushing the steel slag by adopting the environment-friendly treatment device for the liquid steel slag in the steel plant is as follows:
s1, cooling steel slag: pouring out the liquid steel slag in the steelmaking furnace, and naturally cooling until the liquid steel slag is cooled to be solid;
s2, pouring steel slag: pouring naturally cooled steel slag into the tank body 1 through the feeding pipe 2 by a forklift;
s3, crushing the steel slag: the hydraulic pushing rod 3 is manually controlled to work, and the steel slag poured into the tank body 1 is crushed through the hydraulic pushing rod 3;
s4, smoke emission: the flue gas generated in the step S3 is filtered through the flue gas discharge mechanism 4, and the filtered flue gas is discharged from the top end of the flue gas discharge mechanism 4;
s5, discharging steel slag: manually controlling the blanking mechanism 5 to operate, and discharging the steel slag crushed in the step S3 from the tank body 1;
the tank body 1 is arranged at the upper end of a fixed frame, a hydraulic push rod 3 is arranged at the center of the top of the tank body 1, a blanking mechanism 5 is arranged at the bottom of the tank body 1, flue gas emission mechanisms 4 are symmetrically arranged on the outer wall of the tank body 1, and a feeding pipe 2 is arranged on the outer wall of the tank body 1 and in the middle of the two flue gas emission mechanisms 4;
the hydraulic push rod 3 penetrates through the tank body 1, a crushing plate is welded at the bottom of the hydraulic push rod 3, crushing triangular cones are welded on the outer wall of the bottom of the crushing plate at equal intervals, and the hydraulic push rod 3 is manually started to drive the crushing plate to vertically move downwards so as to crush the steel slag;
the smoke discharging mechanism 4 comprises a discharging pipeline 41, an atomizing spray head 42, an external water valve 43, a smoke filtering component 44, a guide plate 45 and a linkage component 46, wherein the discharging pipeline 41 is installed in the tank body 1, the connecting part of the discharging pipeline 41 and the tank body 1 is fixed by welding, the lower end position of the bottom of the discharging pipeline 41 is connected with the guide plate 45, the guide plate 45 is inclined to the discharging pipeline 41, the atomizing spray head 42 is installed inside the discharging pipeline 41, the outer side of the atomizing spray head 42 is connected with a water inlet pipe, one end of the water inlet pipe is connected with the external water valve 43, the external water valve 43 is fixed on the outer wall of the discharging pipeline 41 through a bolt, the smoke filtering component 44 is arranged inside the discharging pipeline 41 and is positioned right above the atomizing spray head 42, one end of the smoke filtering component 44 is connected with the linkage component 46, the, the external pipeline is manually connected with the external water valve 43, the atomizing nozzle 42 is controlled to work, water flow is sprayed out from the atomizing nozzle 42, on one hand, impurities in the flue gas are adsorbed through water dilution, primary treatment on the flue gas is achieved, on the other hand, water sprayed out from the atomizing nozzle 42 flows into the steel slag at the upper end of the bearing plate 52 from the guide plate 45 along the discharge pipeline 41, the steel slag is cooled, a large amount of flue gas is generated, then the flue gas filtering component 44 is manually controlled to work, and secondary treatment is conducted on the flue gas;
the blanking mechanism 5 comprises a fixed rod 51, a bearing plate 52, a pushing component 53 and a hydraulic telescopic rod 54, wherein the fixed rod 51 is correspondingly welded on the outer wall of the tank body 1, a rotating shaft is installed at the bottom of the fixed rod 51, the bearing plate 52 is welded on one side of the rotating shaft, a hinged support is installed on the outer wall of the bottom of the bearing plate 52, one end of the hinged support is connected with the hydraulic telescopic rod 54, the hydraulic telescopic rod 54 is fixed on one side of a fixed frame through bolts, the pushing component 53 is arranged on the outer side wall of the bottom of the fixed rod 51, the other end of the pushing component 53 is embedded in the bearing plate 52, during specific work, the hydraulic telescopic rod 54 is manually controlled to work, the bearing plate 52 is driven by the hydraulic telescopic rod 54 to rotate along the rotating shaft until an opening appears between the two bearing plates 52, broken steel slag falls from the upper end of the bearing plate, thus finishing the discharging process of the steel slag.
The filtering component 44 comprises a hollow cylinder 441, a filtering plate 442, a scraping plate 443, a driving motor 444, a rotary round rod 445, a limiting cylinder 446, an inserting groove 447 and a semi-circular plate 448, the hollow cylinder 441 is fixed on the inner wall of the discharge pipeline 41 through bolts, the driving motor 444 is fixed on the outer wall of the discharge pipeline 41 through a motor mounting rack, the output shaft end of the driving motor 444 is connected with the rotary round rod 445, the rotary round rod 445 sequentially penetrates through the discharge pipeline 41 and the hollow cylinder 441, the filtering plate 442 is symmetrically welded on the outer wall of the rotary round rod 445, filtering holes are formed in the filtering plate 442 at equal intervals, filtering sponges are arranged in the filtering holes, a mounting round groove is formed in the rotary round rod 445, the inserting groove 447 is formed in the side wall of the rotary round rod 445 and located at one side of the filtering plate 442, the scraping plate 443 is inserted in the inserting groove 447, and, spacing cylinder 446 welds the inner wall at the installation circular slot, and spacing sliding sleeve cup joints the outer wall at spacing cylinder 446, semicircle board 448 is installed to the bottom outer wall of spacing cylinder 446, spacing cylinder 446's outer wall just is located the position between spacing sliding sleeve and the semicircle board 448 and is provided with supporting spring, in concrete during operation, manual control driving motor 444 work, it rotates to drive rotation pole 445 through driving motor 444, thereby drive filter 442 through rotating pole 445 and rotate, make the filtration sponge and the flue gas of filter 442 upper end fully contact, absorb the impurity of flue gas, and simultaneously, it is at the rotation in-process to rotate pole 445, drive scraper blade 443 work through linkage assembly 46, remove the impurity of filter 442 internal filter hole department through scraper blade 443, guarantee the cleanliness factor on filter 442 surface.
The limiting draw bars 4481 are arranged inside the two semicircular plates 448, the limiting slide blocks are welded on the outer walls of the two ends of the limiting draw bars 4481, one side of each limiting slide block is attached to the inner wall of the semicircular plate 448 to prevent the limiting draw bars 4481 from vibrating in the vertical direction, the drawing ropes 4483 are embedded into the outer walls of the limiting draw bars 4481 at equal intervals, the tail ends of the drawing ropes 4483 are connected with the bottom of the scraping plate 443, a roller 4482 is arranged at the joint of the inner part of the semicircular plate 448 and the drawing ropes 4483, the left end of the limiting draw bar 4481 is connected with a driving rod 4484, the other end of the driving rod 4484 penetrates through a rotating round rod 445 to be connected with the linkage assembly 46, when the driving rod 4484 reciprocates left and right, the limiting draw bars 4481 to reciprocate left and right, so that the scraping plate 443 is drawn to move up and down along the insertion grooves 447 through the drawing ropes 4483, and the triangular scraping, thereby removing impurities attached to the surfaces of the filter holes.
The scraper 443 is welded with connecting rods 4431 at equal intervals inside, the connecting rods 4431 are located in the middle of two adjacent filter holes, triangular scraper blocks 4432 are welded at equal intervals on the tops of the connecting rods 4431, and the upper end faces of the triangular scraper blocks 4432 are attached to the lower end faces of the filter plates 442.
The linkage assembly 46 comprises a protective casing 461, a first bevel gear 462, a second bevel gear 463, a third bevel gear 464, a fixing plate 465, a limit sliding chute 466, a movable push-pull rod 467, a rotary sleeve 468, a linkage rod 469, a linear track 460 and a rectangular sliding block 46a, the protective casing 461 is fixed on the outer wall of the discharge pipeline 41, the first bevel gear 462 is welded on the outer wall of the rotary circular rod 445, the upper end of the first bevel gear 462 is engaged and connected with the second bevel gear 463, one side of the second bevel gear 463 is engaged and connected with the third bevel gear 464, the second bevel gear 463 and the third bevel gear 464 are both fixed on the inner wall of the protective casing 461 through gear rods, the outer wall of one side of the third bevel gear 464 is welded with a driving gear, the fixing plate 465 is welded on the inner wall of the protective casing 461, one side of the fixing plate 465 is provided with the limit sliding, the driven gear is connected with the driving gear through a synchronous belt, the other end of the rotating shaft is welded with a rotating sleeve 468, a movable push-pull rod 467 is inserted into the rotating sleeve 468, a limiting block is welded on the side wall of the movable push-pull rod 467 and is positioned in a limiting sliding groove 466, one end of the movable push-pull rod 467 is movably connected with a linkage rod 469, one end of the linkage rod 469 is movably connected with a rectangular sliding block 46a, the other end of the rectangular sliding block 46a is connected with a driving rod 4484, the rectangular sliding block 46a is installed inside the linear track 460 in a matching manner, the linear track 460 is fixed on the inner wall of the protective shell 461 through a rectangular connecting block, during specific work, a rotating round rod 445 rotates to drive one end to be welded on a first bevel gear 462 to rotate, the first bevel gear 462 to drive a second bevel gear 463 to drive a third, that is, the driving gear rotates, the driven gear is driven by the rotating driving gear under the action of the synchronous belt to rotate, so that the rotating sleeve 468 is driven to rotate under the action of the rotating shaft, the movable push-pull rod 467 is driven to move in the limit sliding groove 466 through the rotating sleeve 468, because the limit sliding groove 466 is oval, when the movable push-pull rod 467 moves, a reciprocating pulling force is generated on the linkage rod 469, the linkage rod 469 transmits the pulling force to the rectangular sliding block 46a, the rectangular sliding block 46a moves left and right in the linear track 460, and the driving rod 4484 is driven to move left and right through the rectangular sliding block 46 a.
The push assembly 53 includes a support rod 531, a baffle 532, a movable push rod 533, an extrusion rod 534, a deflection track 535, an extrusion spring 536 and a track cylinder 537, the support rod 531 is installed on the side wall of the fixed rod 51, one end swing joint of the support rod 531 has the movable push rod 533, top one side of the movable push rod 533 is connected with the extrusion rod 534, the track cylinder 537 is welded on the side wall of the movable push rod 533, the track cylinder 537 is located in the deflection track 535, the extrusion spring 536 is arranged in the deflection track 535, the bottom of the deflection track 535 is welded on the side wall of the baffle 532, and the baffle 532 is fixed on one side of the support rod 531 through bolts.
The bearing plate 52 is internally provided with a placing groove 521, a lifting plate 522 is placed in the placing groove 521, the upper end surface of the lifting plate 522 is provided with T-shaped extrusion blocks 523 at equal intervals, the upper end surface of each T-shaped extrusion block 523 is flush with the upper end surface of the bearing plate 52, the lower end surface of the lifting plate 522 is connected with a lifting track 524, and an extrusion rod 534 penetrates through the bearing plate 52 and is inserted into the lifting track 524, during specific work, in the process that the hydraulic telescopic rod 54 drives the bearing plate 52 to rotate, the movable push rod 533 moves in the lifting track 524, when the movable push rod 533 moves to the lower surface of the lifting track 524, upward thrust is generated on the lifting plate 522, so that the lifting plate 522 drives the T-shaped extrusion blocks 523 to move upwards to push out steel slag remained on the surface of the bearing plate 52, when the lifting plate 522 rises to the maximum value and cannot move, the bearing plate 52 continues to rotate, so that the movable push rod 533 deflects, the rail cylinder 537 moves within the deflection rail 535 and the compression spring 536 is compressed, thereby ensuring that the support plate 52 can be opened and closed properly.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The environment-friendly treatment method for the liquid steel slag in the steel plant uses an environment-friendly treatment device for the liquid steel slag in the steel plant, and the environment-friendly treatment device for the liquid steel slag in the steel plant comprises a tank body (1), an inlet pipe (2), a hydraulic push rod (3), a smoke discharge mechanism (4) and a blanking mechanism (5), and is characterized in that: the concrete method for crushing the steel slag by adopting the steel plant liquid steel slag environment-friendly treatment device is as follows:
s1, cooling steel slag: pouring out the liquid steel slag in the steelmaking furnace, and naturally cooling until the liquid steel slag is cooled to be solid;
s2, pouring steel slag: pouring naturally cooled steel slag into the tank body (1) through the feeding pipe (2) by a forklift;
s3, crushing the steel slag: the hydraulic pushing rod (3) is manually controlled to work, and the steel slag poured into the tank body (1) is crushed through the hydraulic pushing rod (3);
s4, smoke emission: filtering the flue gas generated in the step S3 through a flue gas discharge mechanism (4), and discharging the filtered flue gas from the top end of the flue gas discharge mechanism (4);
s5, discharging steel slag: manually controlling the blanking mechanism (5) to operate, and discharging the steel slag crushed in the S3 from the tank body (1);
the tank body (1) is arranged at the upper end of the fixing frame, a hydraulic push rod (3) is arranged at the center of the top of the tank body (1), a blanking mechanism (5) is arranged at the bottom of the tank body (1), flue gas emission mechanisms (4) are symmetrically arranged on the outer wall of the tank body (1), and a feeding pipe (2) is arranged on the outer wall of the tank body (1) and positioned in the middle of the two flue gas emission mechanisms (4);
the hydraulic push rod (3) penetrates through the tank body (1), a crushing plate is welded at the bottom of the hydraulic push rod (3), and crushing triangular cones are welded on the outer wall of the bottom of the crushing plate at equal intervals;
the smoke discharge mechanism (4) comprises a discharge pipeline (41), an atomizing spray head (42), an external water valve (43), a smoke filtering component (44), a guide plate (45) and a linkage component (46), the discharge pipeline (41) is installed in the tank body (1), the connection part of the discharge pipeline (41) and the tank body (1) is fixed by welding, the lower end of the bottom of the discharge pipeline (41) is connected with the guide plate (45), the guide plate (45) is inclined to the discharge pipeline (41), the atomizing spray head (42) is installed inside the discharge pipeline (41), the outer side of the atomizing spray head (42) is connected with a water inlet pipe, one end of the water inlet pipe is connected with the external water valve (43), the external water valve (43) is fixed on the outer wall of the discharge pipeline (41) through a bolt, the smoke filtering component (44) is arranged inside the discharge pipeline (41) and is positioned right above the atomizing, one end of the smoke filtering component (44) is connected with a linkage component (46), and the linkage component (46) is fixed on the outer wall of the discharge pipeline (41);
blanking mechanism (5) are including dead lever (51), bearing board (52), promote subassembly (53) and hydraulic telescoping rod (54), the outer wall at jar body (1) is welded to dead lever (51) correspondence, the axis of rotation is installed to the bottom of dead lever (51), one side welding of axis of rotation has bearing board (52), the free bearing is installed to the bottom outer wall of bearing board (52), the one end of free bearing is connected with hydraulic telescoping rod (54), hydraulic telescoping rod (54) pass through the bolt fastening in one side of mount, the bottom lateral wall of dead lever (51) is provided with and promotes subassembly (53), and the other end embedding of promotion subassembly (53) is in the inside of bearing board (52).
2. The method of claim 1, wherein the method comprises the steps of: the filter assembly (44) comprises a hollow cylinder (441), a filter plate (442), a scraper (443), a driving motor (444), a rotary round rod (445), a limiting cylinder (446), an insertion groove (447) and a semi-circular plate (448), wherein the hollow cylinder (441) is fixed on the inner wall of the discharge pipeline (41) through bolts, the driving motor (444) is fixed on the outer wall of the discharge pipeline (41) through a motor mounting rack, the output shaft end of the driving motor (444) is connected with the rotary round rod (445), the rotary round rod (445) sequentially penetrates through the discharge pipeline (41) and the hollow cylinder (441), the filter plate (442) is symmetrically welded on the outer wall of the rotary round rod (445), filter holes are formed in the filter plate (442) at equal intervals, a filter sponge is installed in the filter holes, the installation round groove is formed in the rotary round rod (445), the insertion groove (447) is formed in the side wall of the rotary round rod (445) and is positioned on one side of, scraper blade (443) is pegged graft in inserting groove (447), and the both sides of scraper blade (443) all are provided with spacing sliding sleeve, and spacing cylinder (446) welds the inner wall at installation circular slot, and spacing sliding sleeve cup joints the outer wall at spacing cylinder (446), and semicircle board (448) are installed to the bottom outer wall of spacing cylinder (446), and the outer wall of spacing cylinder (446) just is located the position between spacing sliding sleeve and semicircle board (448) and is provided with supporting spring.
3. The environmental protection treatment method for liquid steel slag of steel mill according to claim 2, characterized in that: the inner parts of the two semicircular plates (448) are provided with limiting draw rods (4481), the outer walls of two ends of each limiting draw rod (4481) are welded with limiting slide blocks, one side of each limiting slide block is attached to the inner wall of the corresponding semicircular plate (448), the outer walls of the limiting draw rods (4481) are embedded with draw ropes (4483) at equal intervals, the tail ends of the draw ropes (4483) are connected with the bottoms of the scraping plates (443), the connecting parts of the inner parts of the semicircular plates (448) and the draw ropes (4483) are provided with idler wheels (4482), the left ends of the limiting draw rods (4481) are connected with driving rods (4484), and the other ends of the driving rods (4484) penetrate through the rotating round rods (445) to be connected with the linkage assembly (46.
4. The environmental protection treatment method for liquid steel slag of steel mill according to claim 2, characterized in that: connecting rods (4431) are welded in the scraper (443) at equal intervals, the connecting rods (4431) are located at the middle positions of the two adjacent filtering holes, triangular scraper blocks (4432) are welded at the top of the connecting rods (4431) at equal intervals, and the upper end faces of the triangular scraper blocks (4432) are attached to the lower end faces of the filtering plates (442).
5. The method of claim 1, wherein the method comprises the steps of: the linkage assembly (46) comprises a protective shell (461), a first bevel gear (462), a second bevel gear (463), a third bevel gear (464), a fixing plate (465), a limiting sliding groove (466), a movable push-pull rod (467), a rotating sleeve (468), a linkage rod (469), a linear track (460) and a rectangular sliding block (46a), the protective shell (461) is fixed on the outer wall of the discharge pipeline (41), the first bevel gear (462) is welded on the outer wall of the rotating circular rod (445), the upper end of the first bevel gear (462) is connected with the second bevel gear (463) in a meshing manner, one side of the second bevel gear (463) is meshed with the third bevel gear (464), the second bevel gear (463) and the third bevel gear (464) are both fixed on the inner wall of the protective shell (461) through gear rods, the outer wall of one side of the third bevel gear (464) is welded with a driving gear, the fixing plate (, one side of the fixing plate (465) is provided with a limiting sliding groove (466), a rotating shaft is inserted in the center of the inside of the fixing plate (465), one end of the rotating shaft is connected with a driven gear, the driven gear is connected with a driving gear through a synchronous belt, the other end of the rotating shaft is welded with a rotating sleeve (468), a movable push-pull rod (467) is inserted in the rotating sleeve (468), a limiting block is welded on the side wall of the movable push-pull rod (467), and the limiting block is positioned in the limiting sliding groove (466), one end of the movable push-pull rod (467) is movably connected with a linkage rod (469), one end of the linkage rod (469) is movably connected with a rectangular sliding block (46a), the other end of the rectangular sliding block (46a) is connected with the driving rod (4484), the rectangular sliding block (46a) is installed in the linear track (460) in a matched mode, and the linear track (460) is fixed on the inner wall of the protective shell (461) through a rectangular connecting block.
6. The method of claim 1, wherein the method comprises the steps of: the push assembly (53) comprises a support rod (531), a baffle (532), a movable push rod (533), an extrusion rod (534), a deflection track (535), an extrusion spring (536) and a track cylinder (537), the support rod (531) is installed on the side wall of a fixed rod (51), one end of the support rod (531) is movably connected with the movable push rod (533), the extrusion rod (534) is connected to one side of the top of the movable push rod (533), the track cylinder (537) is welded to the side wall of the movable push rod (533), the track cylinder (537) is located in the deflection track (535), the extrusion spring (536) is arranged inside the deflection track (535), the bottom of the deflection track (535) is welded to the side wall of the baffle (532), and the baffle (532) is fixed to one side of the support rod (531) through bolts.
7. The method of claim 1, wherein the method comprises the steps of: bearing plate (52) inside has been seted up standing groove (521), jacking board (522) have been placed to the inside of standing groove (521), and the up end of jacking board (522) is equidistant to be provided with T type and extrudes piece (523), and the up end that the piece (523) was extruded to T type flushes with the up end of bearing plate (52), and the lower terminal surface of jacking board (522) is connected with jacking track (524), and extrusion stem (534) run through in bearing plate (52) peg graft in jacking track (524).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176226.2A CN111254242B (en) | 2020-03-13 | 2020-03-13 | Environment-friendly treatment method for liquid steel slag in steel plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176226.2A CN111254242B (en) | 2020-03-13 | 2020-03-13 | Environment-friendly treatment method for liquid steel slag in steel plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111254242A true CN111254242A (en) | 2020-06-09 |
| CN111254242B CN111254242B (en) | 2021-02-12 |
Family
ID=70943150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010176226.2A Expired - Fee Related CN111254242B (en) | 2020-03-13 | 2020-03-13 | Environment-friendly treatment method for liquid steel slag in steel plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111254242B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410482A (en) * | 2020-11-03 | 2021-02-26 | 陈鑫宇 | Be used for liquid slag pollution abatement processing apparatus |
| CN112570424A (en) * | 2020-11-25 | 2021-03-30 | 南京研塑环保科技有限公司 | Environment-friendly treatment method for iron and steel smelting furnace slag |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090036352A (en) * | 2007-10-09 | 2009-04-14 | 재단법인 포항산업과학연구원 | Apparatus for recycling heat of slag |
| CN107287368A (en) * | 2017-06-07 | 2017-10-24 | 北京中冶设备研究设计总院有限公司 | A kind of converter slag processing unit and method |
| CN107583725A (en) * | 2017-09-19 | 2018-01-16 | 深圳市晟腾企业管理有限公司 | A kind of stone pulverizing device of environment-friendly type |
| CN108359759A (en) * | 2018-03-22 | 2018-08-03 | 重集团大连工程技术有限公司 | AOD stainless steel slag dry process equipment and exhaust heat recovering method |
| CN207839159U (en) * | 2017-11-27 | 2018-09-11 | 红河州锦冶工贸有限公司 | A kind of nonferrous metallurgy slag charge efficiency crushing process system |
| CN109112238A (en) * | 2018-10-19 | 2019-01-01 | 中冶节能环保有限责任公司 | A kind of molten steel slag spiral crushing device and method |
| CN109402307A (en) * | 2018-11-08 | 2019-03-01 | 广东莞绿环保工程有限公司 | A kind of cold and hot steel slag mixed processing method |
-
2020
- 2020-03-13 CN CN202010176226.2A patent/CN111254242B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090036352A (en) * | 2007-10-09 | 2009-04-14 | 재단법인 포항산업과학연구원 | Apparatus for recycling heat of slag |
| CN107287368A (en) * | 2017-06-07 | 2017-10-24 | 北京中冶设备研究设计总院有限公司 | A kind of converter slag processing unit and method |
| CN107583725A (en) * | 2017-09-19 | 2018-01-16 | 深圳市晟腾企业管理有限公司 | A kind of stone pulverizing device of environment-friendly type |
| CN207839159U (en) * | 2017-11-27 | 2018-09-11 | 红河州锦冶工贸有限公司 | A kind of nonferrous metallurgy slag charge efficiency crushing process system |
| CN108359759A (en) * | 2018-03-22 | 2018-08-03 | 重集团大连工程技术有限公司 | AOD stainless steel slag dry process equipment and exhaust heat recovering method |
| CN109112238A (en) * | 2018-10-19 | 2019-01-01 | 中冶节能环保有限责任公司 | A kind of molten steel slag spiral crushing device and method |
| CN109402307A (en) * | 2018-11-08 | 2019-03-01 | 广东莞绿环保工程有限公司 | A kind of cold and hot steel slag mixed processing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410482A (en) * | 2020-11-03 | 2021-02-26 | 陈鑫宇 | Be used for liquid slag pollution abatement processing apparatus |
| CN112570424A (en) * | 2020-11-25 | 2021-03-30 | 南京研塑环保科技有限公司 | Environment-friendly treatment method for iron and steel smelting furnace slag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111254242B (en) | 2021-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111254242B (en) | Environment-friendly treatment method for liquid steel slag in steel plant | |
| CN110665577B (en) | Concrete waste recovery device for civil engineering | |
| CN101444781B (en) | Device for cleaning vanadium-removing copper wire balls | |
| CN201031151Y (en) | Grab bucket grid sewage-removing machine | |
| CN116220726B (en) | Rock mass tunneling and broken stone cleaning and transporting equipment for tunnel construction | |
| CN203264379U (en) | Gathering-type solid-liquid separator | |
| CN113351634B (en) | Mixed type heavily pollutes place refuse treatment and soil restoration and uses equipment | |
| CN109365090A (en) | Steel slag hot crushing device | |
| CN117046551A (en) | Continuous titanium ore Dan Shaifen crushing and magnetic separation equipment | |
| CN208567558U (en) | Movable cleaning device for mould steel smelting furnace | |
| CN112090262A (en) | Volatilization kiln desulfurization equipment for treating waste steel slag and use method thereof | |
| CN112024071A (en) | Industrial waste recovery device for environmental protection | |
| CN109127692B (en) | Can be to filterable soil prosthetic devices of metallic element | |
| CN213572123U (en) | Auxiliary device for mine ecological restoration greening | |
| CN210097105U (en) | Efficient garbage cleaning grid machine | |
| CN207294387U (en) | A kind of industrial wastewater high-efficient treatment device | |
| CN208437377U (en) | A kind of oilfield exploitation cleaning vehicle | |
| CN219442028U (en) | Sand and stone separator | |
| CN201317679Y (en) | Vanadium-removing copper wire ball cleaning device | |
| CN214883324U (en) | Civil engineering is with intelligent dustproof device | |
| CN215888537U (en) | Rainwater recovery device | |
| CN220276364U (en) | A sedimentation equipment for rubbish infiltration liquid handles | |
| CN215332733U (en) | Bridge engineering mud processing apparatus | |
| CN221183690U (en) | Screening device for concrete mixing | |
| CN217449108U (en) | Heavy metal wastewater treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 40026772 Country of ref document: HK |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Yanli Inventor after: Wang Shasha Inventor after: Yu Aihua Inventor before: Wang Shasha Inventor before: Yu Aihua |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20210115 Address after: 831100 building 1-3, yard 6, Dafeng Town Industrial Park, Hutubi County, Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region Applicant after: Xinjiang Xin'an Special Steel Co.,Ltd. Address before: 312000 Tianmu 1st Road, Ru'ao Town, Xinchang County, Shaoxing City, Zhejiang Province Applicant before: Wang Shasha |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 Termination date: 20210313 |