380results about "Work cleaning devices" patented technology

The invention discloses a strip composite device and a strip composite rolling system, relates to the technical field of strip rolling, and aims to solve the problems of complex flow and low production efficiency when a low-roller-number rolling mill is used for pre-compounding. The strip compounding device comprises a box body, a current compounding roller system, a power supply assembly and a pressing assembly, the current composite roller system is arranged on the box body and comprises an upper roller group and a lower roller group which are oppositely arranged; the upper roller group comprises a plurality of upper conductive rollers and upper insulating rollers which are arranged in parallel and alternately; the lower roller group comprises a plurality of parallel and alternately arranged lower conductive rollers and lower insulating rollers, and the upper conductive rollers and the lower conductive rollers are arranged in a staggered manner in the advancing direction of the to-be-compounded strip; the power supply assembly is arranged in the box body, the power supply assembly is electrically connected with the upper conductive roller and the lower conductive roller, and the power supply assembly, the upper conductive roller, the lower conductive roller and the strip pressed between the upper roller set and the lower roller set form a conductive loop; the pressing-down assembly is arranged on the box body. The strip composite rolling system comprises an uncoiler, a strip composite device and a twenty-high roll mill.

The invention discloses a full-automatic cold pilger mill, and relates to the technical field of cold pilger mills, the full-automatic cold pilger mill comprises a case and a cold rolling assembly arranged in the case and used for rolling pipe fittings, the case is internally provided with a driving assembly used for driving the cold rolling assembly to work, and the full-automatic cold pilger mill further comprises a water cooling assembly arranged in the case and used for cooling the rolled pipe fittings; the water cooling assembly comprises a water spraying pipe movably connected into the machine box, a telescopic pipe is movably connected into the water spraying pipe, the telescopic pipe and the cold rolling assembly are connected through a fixing base, the characteristic that the machine frame reciprocates left and right is utilized, a cooling liquid outlet moves from right to left, and therefore the spraying range of pipe fittings is enlarged, and the spraying efficiency is improved. Meanwhile, the cooling liquid can be sprayed on the surface of the pipe fitting from the periphery, so that the spraying range of the cooling liquid on the surface of the pipe fitting is further expanded, the surface of the pipe fitting is cooled uniformly, the spraying of the cooling liquid is free of omission and dead angles, the cooling effect of pipe fitting rolling is ensured, and the cold rolling quality of the pipe fitting is ensured.

The invention belongs to the technical field of aluminum alloy production, and particularly discloses a low-carbon environment-friendly method for producing a 3104 alloy blank with a high secondary aluminum proportion, which comprises the procedures of smelting, melt purification, online degassing filtration, continuous casting and triple continuous rolling, and is characterized in that alloy components are optimized, secondary aluminum waste is used in a large proportion, the Fe content is increased, and the production cost is reduced. Iron and elements such as manganese in the aluminum alloy form intermetallic compounds, the intermetallic compounds can serve as heterogeneous nucleation, obviously refine alloy grains during casting and increase Fe content, the performance of the 3104 alloy blank is improved, meanwhile, aluminum is replaced with iron, the main material cost can be reduced, in addition, due to the fact that the rolling temperature of an inlet of each rack is high, and meanwhile the finish rolling temperature is also high, the service life of the 3104 alloy blank is prolonged. The self-tempering effect is achieved, internal dislocation of materials is eliminated, the blank edge cracking condition is improved, strip breakage caused by the edge cracking problem in the subsequent rolling process is avoided, safe production is guaranteed, the main material cost is reduced, meanwhile, the blank performance is improved, the 3104 alloy blank is efficiently produced in a high-quality mode, and the purposes of low carbon and environment protection are achieved.

The invention relates to the technical field of calendaring machining, and discloses a calendaring device for automobile part machining, the device comprises cross rods arranged symmetrically, a plate body and four supporting rods symmetrically and fixedly installed at the bottoms of the cross rods, a connecting strip is fixedly connected between every two adjacent supporting rods, and the connecting strip is fixedly connected with the plate body. A driven roller is uniformly and rotatably connected between the two cross rods, a cross plate is mounted above the two cross rods, a cleaning assembly is arranged on one side of the cross plate, and a recycling assembly is arranged at the bottom of the cross plate; the side blocks are symmetrically and fixedly connected to the front side and the rear side of the transverse plate, the top of the transverse rod on one side is rotationally connected with a lead screw part, and the top of the transverse rod on the other side is fixedly connected with a vertical rod. And the residual lubricating oil on the calendered plate is inconvenient to clean and recycle, so that the consumption of the lubricating oil is high.

The invention discloses high-nickel stainless steel cold rolling equipment with a scratch detection function for a support, and relates to the technical field of stainless steel cold rolling. The cold rolling equipment comprises a rack and a case, the case is located on the upper end face of the rack, a first mounting frame is arranged at the bottom of the case and located at the feeding position, and a guide mechanism and an adjusting mechanism are arranged on the inner side of the first mounting frame; an upper roller and a lower roller are arranged on one side of the first mounting frame, a cleaning mechanism is arranged on one side of the upper roller, a collecting roller is arranged on one side of the cleaning mechanism, and the guide mechanism is used for adjusting the feeding direction of stainless steel to ensure that the stainless steel can accurately enter a cold rolling position. The adjusting mechanism is used for guaranteeing the tension stability of stainless steel, the cleaning mechanism can effectively remove burrs and other impurities generated after stainless steel cold rolling, the product quality is guaranteed, the whole cold rolling equipment is compact in structure and convenient to operate, and the production efficiency and the product quality are remarkably improved.

The invention discloses a process for eliminating squamous folding defects on the surface of a hot-rolled stainless steel strip, which is characterized in that a centering mechanism is arranged at the front end in a support box body, two sides of a reciprocating mechanism are arranged on the support box body, a lifting mechanism is arranged on the reciprocating mechanism, the lifting mechanism is connected with a polishing mechanism, and a nozzle water pipe is arranged at the front end of the polishing mechanism and sprays clean water; an air suction pipe is arranged at the rear end of the polishing mechanism, a dust blocking brush is arranged below the air suction pipe, a leveling mechanism is arranged at the rear end of the air suction pipe, a detection mechanism is arranged at the rear end of the leveling mechanism, and the supporting rollers are arranged in the supporting box and used for supporting and conveying the stainless steel strip. The reciprocating mechanism drives a round soft brush, a polishing roller and an inclined scraping plate of the polishing mechanism to conduct reciprocating type sweeping, polishing and inclined scraping on the stainless steel strip; and the stainless steel strip subjected to reciprocating cleaning, polishing and inclined scraping is fed into the leveling mechanism through the supporting roller, so that the arc-shaped scraping plate is attached to the surface of the leveling roller, and impurities adhering to the leveling roller are further scraped off.

The present application discloses a cold rolling method for a steel strip and a 780Mpa grade cold-rolled dual-phase steel. The cold rolling method comprises providing a steel strip to be processed, pickling the steel strip to be processed; placing the pickled steel strip to be processed into a single-stand rolling mill, and rolling the steel strip to be processed back and forth in the single-stand rolling mill for n passes to prepare a 780Mpa grade cold-rolled dual-phase steel; wherein the reduction rate of each rolling pass is 6% to 25%, and the reduction rate of the i-th rolling pass is P i Less than the reduction rate P of the (i-1)th pass i‑1 , n and i are positive integers, 2≤i≤n. According to the cold rolling method of the embodiment of the present application, a 780 MPa grade cold-rolled dual-phase steel with a higher reduction rate and thinner thickness can be obtained by rolling.

The invention discloses a seamless stainless steel pipe multi-stage cold rolling device, and belongs to the technical field of cold rolling. The device mainly comprises a feeding base; the auxiliary discharging assembly comprises a discharging frame installed on one side of the feeding base, a housing is installed on the discharging frame, two sets of second air cylinders are installed at one end of the housing, and a pushing plate is connected between the telescopic ends of the two sets of second air cylinders; the discharging unit comprises mounting frames mounted on the two sides of the discharging frame, and a discharging cover is mounted between the two mounting frames; the buffering unit is provided with a plurality of sets of springs installed on the feeding base, and a buffering plate is installed at one end of each spring. According to the multistage cold rolling device for the seamless stainless steel pipe, the discharging frame is matched with the limiting unit so that the steel pipe can be stably placed in a matched mode, and intermittent precise discharging is achieved through a second air cylinder and a stepping motor under the control of the controller; the buffer unit buffers impact through a spring and a buffer plate, and a limiting plate prevents rolling, so that the steel pipe is prevented from being damaged.

The invention relates to the technical field of high-speed rolling mills, and particularly discloses a cold-rolled ribbed steel bar high-speed rolling mill which comprises a bottom plate, a reducing shell and a forming shell, a plurality of supporting legs are evenly and fixedly installed at the lower end of the bottom plate, the reducing shell is fixed to one side of the upper end of the bottom plate, and a cold-rolled ribbed steel bar enters a shell after being polished and reduced in the reducing shell; a second motor drives a rotary drum to rotate, the rotary drum drives a knocking part and a static electricity removing part to rotate, the knocking part collides the cold-rolled ribbed steel bars, the chippings attached to the surfaces of the cold-rolled ribbed steel bars are vibrated to fall onto the conveying belt, and then the cold-rolled ribbed steel bars penetrate through the static electricity removing part; and finally, the cold-rolled ribbed steel bars pass through the lower ends of the water spraying heads, the water spraying heads spray water to the cold-rolled ribbed steel bars, the surfaces of the cold-rolled ribbed steel bars are cleaned up, and therefore follow-up machining and quality of the ribbed steel bars cannot be affected.

The invention relates to the field of hot rolling, in particular to an aluminum-titanium alloy profile production continuous casting unit and a casting process thereof.The aluminum-titanium alloy profile production continuous casting unit comprises a cleaning mechanism used for cleaning oxide on the surface of a hot roller; collecting treatment, wherein the collecting treatment is used for collecting and treating impurities and oxides; the roller adjusting mechanism is used for adjusting the position of the hot roller; according to the aluminum-titanium alloy profile production continuous casting unit and the casting process thereof, the cleaning scraping blade moves towards the collecting mechanism and is matched with the second hot roller in the collecting mechanism in an extrusion mode, the cleaning scraping blade moves towards the collecting mechanism, the cleaning scraping blade moves towards the collecting mechanism in an extrusion mode, and therefore the aluminum-titanium alloy profile production continuous casting unit is formed. Therefore, the effect of cleaning impurities on the surface of the second hot roller or impurities attached to residual oxides which are not cleaned away from the surface of the aluminum-titanium alloy profile is achieved, and meanwhile the effect of preventing the attached residual oxides or impurities from being attached to the surface of the aluminum-titanium alloy profile again is achieved.

The invention relates to the technical field of titanium alloys, and discloses a method for greatly improving the yield of a titanium alloy cold-rolled pipe, which comprises the following steps: sequentially carrying out first surface treatment, second surface treatment and third surface treatment on a titanium alloy pipe blank to obtain a titanium alloy cold-rolled pipe blank, and carrying out cold rolling on the titanium alloy cold-rolled pipe blank to obtain a titanium alloy cold-rolled pipe, and then the titanium alloy cold-rolled pipe is sequentially subjected to first annealing, acid pickling and chemical milling, and the titanium alloy finished pipe is obtained. According to the method, the titanium alloy pipe blank is subjected to surface treatment before cold rolling, the generation probability of surface defects of the titanium alloy is reduced, and the technical problems of low yield, high cost and low production efficiency of the small-caliber pure titanium and near-alpha titanium alloy seamless pipe are solved by reducing the surface treatment procedure between cold rolling passes.

The invention discloses a preparation method of a medium-high carbon steel hot-rolled coil and medium-high carbon steel. The preparation method of the medium-high carbon steel hot-rolled coil comprises the steps that slab continuous casting is conducted, specifically, molten medium-high carbon steel is subjected to casting and drawing to obtain a slab, the slab is subjected to pre-descaling treatment to reduce oxide on the surface of the slab, and a pretreated slab is obtained; plate blank heating, specifically, the pretreated plate blank is subjected to heating treatment, high-pressure water descaling treatment is conducted after heating treatment is finished, and a to-be-machined plate blank is obtained; and rolling is conducted, specifically, the to-be-machined plate blank is rolled, and strip steel is obtained. According to the preparation method disclosed by the embodiment of the invention, the slab subjected to slab continuous casting is subjected to pre-descaling treatment before being put into a furnace to be heated, and is subjected to high-pressure water descaling treatment before being rolled after being heated, so that the initial thicker oxide scale on the surface of the slab is removed, and the uniformity of the oxide scale formed on the surface of the slab during hot rolling is ensured to be good.

The present application provides a cold rolling processing device and method for stainless steel pipes, which relates to the field of cold rolling of stainless steel pipes. It includes a cold rolling mill, a storage rack and an oil scraping mechanism. After the pipes are cold rolled by the cold rolling mill, they are stacked in the storage rack, and the pipes in the storage rack pass through the oil scraping mechanism in sequence; the oil scraping mechanism includes a base, a sleeve and a bracket arranged on the base. The pipe is placed on the bracket, the sleeve is horizontally arranged and the mouth of the sleeve faces the pipe; an oil scraping bolt is arranged in the sleeve, the outer wall of the oil scraping bolt fits with the inner wall of the sleeve, and an air pipe is arranged at the bottom of the sleeve. The gas transmission equipment transmits gas into the sleeve through the air pipe and pushes the oil scraping bolt to move towards the inside of the pipe. The present application has the effect of being able to quickly and conveniently scrape the cold rolling oil on the inner wall of the stainless steel pipe.

The invention discloses a preparation method of a wide 304 stainless steel cold plate for a movable pressure vessel. The preparation method comprises the steps of raw material chemical component design, rolling mill roll shape design, rolling mill rolling control and cold line solid solution pickling withdrawal and straightening control. Through raw material chemical component design, raw materials with appropriate raw material chemical component requirements are provided for the cold rolling process, and the alloy cost is saved under the condition that the performance is guaranteed; through the design of the roll shape of a rolling mill, a middle roll with enough taper and a working roll with enough convexity are provided, and the requirement that the plate shape control reaches an expected value in the rolling process is met and achieved; through rolling process control of a rolling mill, the rolling process is matched with a plate shape target curve, and it is guaranteed that the rolled strip steel plate is straight in shape and accurate in thickness; and through cold line solid solution pickling withdrawal and straightening control, the plate shape and the surface quality of the product are improved to the maximum extent. After the production method is adopted, the surface qualified rate and the performance standard-reaching rate of the produced wide 304 stainless steel cold plate for the mobile pressure container reach 100%, and the plate shape unevenness is smaller than or equal to 10 mm / m.

The invention relates to the technical field of rolling equipment, in particular to non-ferrous metal composite plate strip rolling equipment which comprises a shell, a plurality of supports are installed on the inner wall of one side of the shell, and round rollers are rotationally arranged on the inner walls of the supports. The rolling mechanism is arranged in the shell; the rolling mechanism comprises a first gear and a second gear which are rotationally arranged on the outer wall of the shell, rolling rollers are fixedly connected to the inner walls of the first gear and the second gear, and a collecting frame is fixedly connected to the outer wall of the other side of the bottom of the shell. Stress generated in the rolling process can be evenly distributed through continuous pressing, the stress concentration phenomenon is reduced, continuous pressing is continuously carried out and is synchronous with the rolling process, rolling of the positioning frame and the positioning belt is stable and even, deviation of materials during rolling is avoided, the quality and consistency of finished products are improved, the service life of equipment is prolonged, and the production cost is reduced. And the rolling efficiency of the non-ferrous metal composite plate and strip rolling equipment is improved.

The invention relates to a copper-aluminum-copper composite material and a processing method and application thereof, and the processing method comprises the following steps: (1) carrying out cold rolling on a copper-aluminum-copper blank, controlling the single-pass processing rate of cold rolling to be 3-8%, and controlling the total processing rate of a cold rolling single process to be not more than 30%; wherein the copper-aluminum-copper blank comprises a copper layer, an aluminum layer and a copper layer which are stacked in sequence; (2) carrying out annealing treatment on the copper-aluminum-copper blank after the cold rolling single process; the annealing treatment process comprises the following steps: annealing in a protective atmosphere, keeping the temperature at 450-480 DEG C for 1-3 hours in the first stage, keeping the temperature at 310-330 DEG C for 2-4 hours in the second stage, and cooling in a slow cooling manner for 6-8 hours from the first stage to the second stage; and (3) the steps (1) and (2) are repeated until the copper-aluminum-copper composite material with the target thickness is obtained, and surface cleaning is conducted. According to the invention, surface zigzag ripples caused by inconsistent extension of the layer can be greatly reduced, a molecular grain structure is recovered by combining stepped intermediate annealing, and the conductivity of the material is improved.

The invention relates to the technical field of a production process for rolling a galvanized checkered plate by a hot-based cold-formed coil in a cold state, and particularly discloses a production method for a continuous hot-based pickling cold-rolled galvanized checkered plate, which comprises the following steps of: selecting a rolled product billet raw material for welding, descaling, pickling and rinsing to produce strip steel; rolling: rolling the strip steel through leveling liquid parameter setting, roller design and pattern bean design to produce pattern strip steel; washing: washing iron powder on the surface of the patterned strip steel in the rolling process; zinc plating: controlling the thickness of a zinc layer of the patterned strip steel through a zinc pot zinc plating process; straightening: straightening the shape of the rolled pattern strip steel by a straightening machine; passivating: coating a passivating film on the surface of the rolled galvanized pattern strip steel by using a roller coating passivating machine; shearing: slitting the checkered strip steel to produce a checkered plate; by optimizing the pickling and cold rolling production process, the method for directly plating the checkered plate after the hot-rolled flat coil is stably rolled into the checkered plate in the cold state is achieved, the production efficiency of the galvanized checkered plate can be improved, and the production cost can be reduced.

The invention discloses high-nickel stainless steel rolling equipment with a tension control function, and relates to the technical field of rolling equipment.The high-nickel stainless steel rolling equipment comprises a base, a first motor, a gearbox, a first connecting shaft, a second connecting shaft, a rolling device, a cleaning device and a deviation rectifying device.The rolling device can conduct fine adjustment on a roll gap of a rolling mill in time, and steel is kept to be stressed evenly; the cleaning device can adsorb and remove dust, impurities and fine metal particles attached to raw materials through static electricity before rolling is started, meanwhile, when equipment is shut down or the rolling procedure is intermittent, self-cleaning can be conducted, the cleaning efficiency in the next use process is guaranteed, and the deviation rectifying device can automatically rectify the dust, the impurities and the fine metal particles before the raw materials enter a rolling area through the conveying device. And the rotating angle and pressure of the conical roller can be automatically adjusted through the conical roller during transportation deviation, so that raw materials are gradually returned to a correct conveying path, and the defects of non-uniform rolling thickness, edge wave shape or plate shape caused by incorrect position are avoided.

The invention discloses a deoiling device for an inner hole of a steel pipe of a rolling mill. The deoiling device comprises a first cleaning cabin, a second cleaning cabin, a conveying mechanism and a supporting frame. The cleaning cabin I is arranged, the cleaning cabin II is connected to the rear end of the cleaning cabin I, the conveying mechanisms are arranged at the inner ends of the cleaning cabin I and the cleaning cabin II, steel pipes can be conveyed and moved conveniently, and the jacking mechanism, the cleaning mechanism, the linkage mechanism and other assemblies are arranged at the inner end of the cleaning cabin II, so that the steel pipes can be cleaned and deoiled in the cleaning cabin II; the cleaning efficiency of the steel pipes can be improved and the deoiling effect can be enhanced through multiple cleaning procedures, the whole structure is simple and stable, the steel pipes of different sizes can be cleaned, the flexibility is high, the applicability is wide, and different use requirements of people can be met.

The invention relates to the technical field of metal rolling, and discloses aluminum alloy plate strip rolling machining equipment which comprises a workbench and further comprises a support fixedly connected to the lower portion of the workbench and used for supporting the whole equipment. The two fixing plates are mounted on the workbench and used for fixing the rolling mechanism and the guide mechanism; the rolling mechanism is arranged on the fixing plate and used for rolling the aluminum alloy plate strip. The guide mechanism is arranged on one side of the rolling mechanism and used for guiding the feeding angle when the aluminum alloy plate strip is rolled. By arranging the guide mechanism and utilizing the cooperation of the guide roller and the third spring, an aluminum alloy plate strip can be accurately guided to enter the rolling rollers, it is ensured that the feeding angle is accurate, meanwhile, the distance between the rolling rollers can be adjusted in real time according to the thickness of the plate strip through the dynamic adjusting function of the arc-shaped connecting rod and the first spring, and the production efficiency is improved. And the stability of the rolling process is guaranteed, so that the rolling quality is improved, and the rejection rate caused by uneven thickness is reduced.

The invention belongs to the technical field of stainless steel production, and discloses a stainless steel coil cold-rolled plate surface cleaning and degreasing production line which comprises a treatment box and further comprises a limiting mechanism arranged in the inner wall of the treatment box; the cleaning mechanism is arranged in the inner wall of the treatment box; the scraping mechanism is arranged in the inner wall of the treatment box; the liquid inlet pipe and the water inlet pipe are arranged in the inner wall of the treatment box; wherein the limiting mechanism comprises a fixing block, the outer wall of the fixing block is in sliding connection with a clamping block, and the outer wall of the clamping block is in bearing connection with a ball; through cooperation of structures such as the pull rod and the clamping blocks, the upper clamping block and the lower clamping block are driven by the hinge rod to move towards the middle or the two sides at the same time to adapt to steel coil bodies with different thicknesses, deviation cannot occur in the steel coil body conveying process, operation is easy, adjustment does not need to be conducted by rotating bolts, and time and labor are saved.

The invention discloses a magnesium alloy plate corrugated lining plate rolling method based on micro-grain regulation and control, and belongs to the technical field of plate rolling forming. The invention aims to solve the problems of high anisotropy, poor calendaring formability and the like of an alloy plate due to strong basal texture of the alloy plate due to formation of corresponding stress on the alloy plate surface and over-small range of a rubbing and rolling area during traditional magnesium alloy rolling. According to the rolling method additionally provided with the corrugated lining plate, the deformation resistance of external friction to the plate in the rolling process is reduced, the loading mode is converted into overall application from local application, and the grain size and distribution of the magnesium alloy plate are effectively controlled by regulating and controlling the diameter and period of the corrugated surface of the corrugated lining plate. And the stress state of the plate is changed, and non-uniform deformation and local dynamic recrystallization nucleation are promoted, so that grains are refined, the basal texture is weakened, and the quality and the overall performance of the rolled plate are greatly improved. The method is suitable for short-process rolling forming of the magnesium alloy plate.

This wiping device is for removing liquid from the surface of a metal strip being carried, and includes a wiping member having a flat surface provided so as to be able to contact the surface of the strip, wherein the wiping member is formed of a graphite fiber reinforced resin composite material.

The invention discloses a hot rolling treatment device for horizontal continuous casting lead-free free-cutting copper ingot production, and belongs to the technical field of copper ingot production, the hot rolling treatment device comprises a bottom plate, two vertical plates are symmetrically connected to the upper end of the bottom plate, clamping assemblies used for fixing a copper ingot are installed on the vertical plates, a transverse plate is jointly connected between the two vertical plates, and a movable plate is slidably connected to the lower end of the transverse plate; a rotating shaft is rotationally connected to the side wall of one side of the movable plate, a rotating assembly used for driving the rotating shaft to rotate is installed on the movable plate, a rotating disc is connected to one end of the rotating shaft, and a transmission rod is hinged to the other side of the rotating disc. The defects in the prior art are overcome, oxide skin on the surface of a copper ingot can be automatically knocked and cleaned through mutual cooperation of the bottom plate, the movable plate, the rotating shaft, the rotating disc, a knocking bar, a driving rod, a gear, a rack, an air cylinder, an upper top plate, a servo motor and other structures, the oxide skin is prevented from affecting subsequent machining of the copper ingot, manual labor is reduced, and the production efficiency is improved. Therefore, the applicability of the device is improved.

The invention relates to the technical field of cold-rolled strip machining, in particular to a cold-rolled strip surface cleaning device which comprises a stand, three conveying roller sets are arranged on the stand in the length direction of the stand, a cleaning box and a drying box are arranged at the position, between every two adjacent conveying roller sets, of the top of the stand, and the cleaning box is located on the upstream side of the drying box; a blowing mechanism and a cleaning mechanism are sequentially arranged in the cleaning box, the blowing mechanism is located on the upstream side of the cleaning mechanism, the blowing mechanism is used for double-sided blowing cleaning of the cold-rolled strip body, and the cleaning mechanism is used for double-sided cleaning of the cold-rolled strip body. Impurities on the surface of a cold-rolled strip body are pre-blown away through the blowing-away mechanism, scratches caused by follow-up cleaning are avoided, high-speed airflow flowing along the surface of the cold-rolled strip body is sprayed out of an air blowing opening, chippings and particle impurities adsorbed on the surface are efficiently peeled off, and meanwhile negative-pressure airflow generated by a suction-away box and the high-speed airflow of the air blowing opening are parallel and synergistic, so that the air blowing efficiency is improved. The dirt stripping effect is improved, and secondary adhesion of impurities is avoided.

The utility model relates to a drying facility which comprises two hydrodynamic pads which are arranged on the two sides of a strip in a face-to-face mode, the strip is configured to advance between the two hydrodynamic pads in the limited advancing direction from upstream to downstream, the length of each hydrodynamic pad extends in the width direction of the strip, and the width of each hydrodynamic pad is larger than the width of the strip. The fluid dynamic pad is configured to follow a clamping plane transverse to the strip during advancing of the rolled strip to be applied with mutually facing pressure on both sides of the rolled strip, the fluid dynamic pad is configured to slide on the rolled strip through a fluid layer, and the fluid dynamic pad is configured to slide on the rolled strip along with the clamping plane transverse to the strip. The utility model relates to a device for drying a strip, comprising:-at least one hydrodynamic pad, each configured to perform a first drying operation by blocking at least a portion of a lubricating layer of the strip from upstream to downstream,-at least one suction hole, downstream of said hydrodynamic pad, configured to suck in at least a portion of a residual lubricating layer, thereby performing a second drying operation on said strip.

The application discloses a high-nickel stainless steel rolling equipment with a tension control function, and relates to the technical field of rolling equipment, which comprises a base, a first motor, a gear box, a first joint shaft, a second joint shaft, a rolling device, a cleaning device and a deviation rectifying device. The rolling device can timely fine-tune the roll gap of a rolling mill, and keep the stress of steel uniform. The cleaning device can adsorb and remove dust, impurities and fine metal particles attached to raw materials by static electricity before rolling starts. Meanwhile, the cleaning device can perform self-cleaning when the equipment is shut down or during rolling process intervals, thereby ensuring the cleaning efficiency in the next use. The deviation rectifying device can automatically adjust the rotation angle and pressure of the conical roller when the raw material is transported to the rolling area through the conveying device, so that the raw material gradually returns to the correct conveying path, and the rolling thickness unevenness, edge wave shape or plate shape defects caused by incorrect position are avoided.

The invention discloses an N06625 nickel-based alloy hot continuous rolling plate coil and an acid pickling surface treatment process thereof. The specific process steps are as follows: 1) heating; 2) rough rolling; (3) finish rolling; (4) coiling; (5) uncoiling and welding; 6) annealing; (7) phosphorus breaking; (8) acid pickling treatment; (9) coiling; treatment equipment in the step (8) comprises an acid pickling box, a cleaning box, a water removal device and an acid liquor treatment device; a water outlet I is formed in one side of the pickling box, a pair of connecting plates I and a pair of connecting plates II are symmetrically fixed in the pickling box, one ends of the rotating rollers I are rotationally connected with the pickling box, and the other ends of the rotating rollers I are rotationally connected with the connecting plates I and the connecting plates II correspondingly; a dewatering device is arranged on one side of the cleaning box, and the other side of the cleaning box is fixedly connected with the outlet end of the pickling box; and the acid liquor treatment device is arranged in the pickling box. The pickling solution is treated in real time through the acid solution treatment device, and the chemical activity of the pickling solution is stably maintained; and meanwhile, water remaining on the N06625 nickel-based alloy plate can be rapidly removed through the water removal device.

The invention relates to a scraping device (100) for applying a coolant onto the surface of a working roll in a roll stand (200) and for partitioning the material being rolled by means of the working roll from the coolant flowing from the working roll. The scraping device (100) has a scraper tip (110) and a main part (120) as a support for the scraper tip. The main part is equipped with a cooling channel (120) which is designed to supply a coolant to a slot nozzle which is formed on the scraper tip (110). In order to prevent the geometry of the outlet opening of the slot nozzle from changing in an undesired manner when the scraping device (100) is engaged against the surface of a working roll (210), the upper and lower flow guide surfaces of the slot nozzle (140) are designed to run preferably parallel to each other in the depth direction (y) at least over a specified wear length.

The application relates to the technical field of high-silicon steel materials, in particular to a high-silicon steel material with excellent pickling effect and a production method, which comprises the following steps: S1, continuous casting; S2, hot rolling; wherein the hot rolling comprises rough rolling and finish rolling, and after the finish rolling, laminar cooling is carried out, and the laminar cooling adopts front section cooling; S3, normalizing; S4, straightening; S5, pickling; S6, cold rolling; and S7, recrystallization annealing. On the basis of guaranteeing the high-temperature process of the hot rolling and normalizing procedures, the thickness of the iron oxide skin on the steel plate is controlled to be below 8 microns, the content proportion of the compact Fe3O4 in the iron oxide skin is below 70%, and the pickling effect of the steel plate after the normalizing is significantly improved.