308results about "Work cleaning devices" patented technology

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 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 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 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 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 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 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.

The invention relates to an acid rolling process preparation method of low-cost 590MPa-grade continuous annealing reinforced plastic dual-phase steel, and belongs to the technical field of cold-rolled sheet production. The method comprises the following steps: S1, selecting hot rolling raw materials; s2, hot-rolled raw materials are treated; S3, welding wires are selected; s4, welding parameters including laser power, welding speed, wire feeding speed, welding seam heat treatment power and welding seam heat treatment frequency are determined; s5, weld joints are treated and checked; s6, straightening; s7, pickling and drying; and S8, cold rolling. Good welding seam quality is obtained by regulating and controlling the material quality, the plate shape, specification transition, the surface quality, the shearing process and the key welding process of the connecting material, the cold rolling reduction rate is regulated according to the product thickness, stable and efficient production of the acid rolling process is ensured, and the plasticity of a finished product is improved. The problems that existing 590MPa-grade cold-rolled dual-phase steel is poor in plastic and difficult to meet the requirements of complex parts, and the plastic lifting cost is high are solved.

The invention provides a rolling oil removing method for high-wetting-tension aluminum foil, which comprises the following steps: collecting a first Dalton value and a second Dalton value, the first Dalton value being the Dalton value of the aluminum foil before rolling, and the second Dalton value being the Dalton value of the aluminum foil after rolling; rolling data and cleaning data are determined according to the difference value of the first Darn value and the second Darn value, the rolling data are the rolling speed, the rolling force and the rolling oil flow of the rolling machine, and the cleaning data are the negative pressure purging data, the electrostatic adsorption data and the infrared volatilization data of the cleaning machine; the rolling machine is controlled to run according to the rolling data, the cleaning machine is controlled to run according to the cleaning data, and a closed-loop control system is formed to ensure that the wetting tension of the aluminum foil stably reaches the standard by measuring the difference between Darn values before and after rolling in real time and dynamically adjusting rolling and cleaning parameters.

The present invention discloses a sliding guide with a built-in dust removal function, which relates to the technical field of metallurgical equipment. It comprises a guide tube body; a first through hole is provided at one end of the outer side of the guide tube body, the first through hole is set at 45 degrees, the first through hole is arranged around the outer side of the guide tube body, a dust removal ring is provided on the outer side of the guide tube body, the dust removal ring is sleeved on the outer side of the first through hole, the dust removal ring and the guide tube body are fixedly connected, a fixed sleeve is provided on the outer side of the guide tube body, the top of the fixed sleeve is a wedge-shaped structure, and a guide base is sleeved on the outer side of the fixed sleeve. The dust removal ring can be used to spray water in the circumferential direction of the rolled piece for dust removal and descaling; and there is no need to add a dust removal water system separately, and the purpose of dust removal and descaling can be achieved by directly connecting to the cooling water of the rolling mill. At the same time, the circumferential water spray hole of the guide tube forms a certain reverse angle with the running direction of the rolled piece, which maximizes the dust removal and descaling effect.

The invention provides an anti-slip liquid squeezing roller, a roller set and application, according to the anti-slip liquid squeezing roller, the wrapping faces of a main roller body and a roller shaft are wrapped by a rubber wrapping layer, and the rubber wrapping layer forms an I-shaped flow guide ring at the joint of the main roller body and the roller shaft. When a solution on the foil is extruded, the I-shaped flow guide rings can guide the solution to the two ends of the main roller body, so that the solution is prevented from remaining on the surface of the main roller body or eroding a gap of a rubber coating layer from the surface, and the liquid extrusion roller is prevented from contacting with the foil and slipping. The rubber coating layer coated on the surface of the main roller body is provided with surface roughness in a grading manner, so that the synchronism among the liquid extruding roller, the foil and the driving roller can be improved; and meanwhile, more solution residues can be avoided, so that solution waste and other defects are avoided.

The application discloses a preparation method of a medium-high carbon steel hot-rolled coil and the medium-high carbon steel. The preparation method of the medium-high carbon steel hot-rolled coil comprises the following steps: slab continuous casting: medium-high carbon steel liquid steel is cast and drawn to obtain a slab, and a pre-descaling treatment is performed on the slab to reduce oxides on the surface of the slab, thereby obtaining a pretreated slab; slab heating: the pretreated slab is subjected to a heating treatment, and after the heating treatment, a high-pressure water descaling treatment is performed, thereby obtaining a to-be-processed slab; rolling: the to-be-processed slab is rolled to obtain a strip steel. According to the embodiment of the application, the slab after the slab continuous casting is subjected to the pre-descaling treatment before the slab is heated in a furnace, and after the heating treatment, the high-pressure water descaling treatment is performed before rolling, thereby removing the initial thick iron oxide scale on the surface of the slab and ensuring that the uniformity of the iron oxide scale formed on the surface of the slab during hot rolling is good.

The application provides a cold-rolled strip cleaning method, which feeds back and adjusts the electrolytic cleaning tank current data of a cleaning section according to the surface roughness of the strip entering the cleaning section and the surface cleanliness of the strip leading out of the cleaning section, and the greater the surface roughness value of the strip at the inlet side of the cleaning section, the higher the surface cleanliness value of the strip at the outlet side, and the higher the electrolytic cleaning tank current value; and the application also provides a cleaning unit, which comprises a cleaning section, a roughness detector and a cleanliness detector, feeds back and adjusts the electrolytic cleaning tank current data of the cleaning section according to the surface roughness of the strip entering the cleaning section and the surface cleanliness of the strip leading out of the cleaning section. In the application, the roughness of the strip before entering the cleaning section and the cleanliness of the strip after leading out of the cleaning section are obtained, the current value of the electrolytic cleaning tank can be adjusted according to the cleanliness and the roughness, and then the power consumption can be reduced under the premise of ensuring the cleaning effect of the strip.

The embodiment of the application provides a method for controlling the bending degree of screw thread steel, comprising the following steps in sequence: smelting, smelting raw materials to obtain molten steel; continuous casting, pouring the molten steel into a continuous casting machine to obtain a continuous casting billet; heating, transferring the continuous casting billet to a heating furnace for heating to obtain a rolling piece; rolling, rolling the rolling piece to obtain screw thread steel; cooling, cooling the screw thread steel by using a water penetrating box; and shearing, shearing the cooled screw thread steel by using a double-length shearing machine. In the application, the temperature difference between the upper surface and the lower surface of the rolling piece is controlled to be within 10 DEG C, so that the uniformity of the temperature distribution from the upper surface to the lower surface of the rolling piece is ensured, and the possibility of screw thread steel bending is reduced; a back-blowing air pipe is arranged in the water penetrating box, water on the surface of the screw thread steel can be blown dry, water drops are prevented from being concentrated on the lower surface of the screw thread steel, and the temperature difference between the upper surface and the lower surface of the screw thread steel is effectively reduced.

The application discloses a rolling device and a rolling system, relates to the rolling technical field, and aims to solve the problems of reducing strip defects such as edge wave and edge crack and improving the quality of composite strip. The rolling device comprises a straightening device, an auxiliary device and a rolling device. The straightening device is used for straightening a strip to obtain a straightened strip. The auxiliary device comprises a surrounding lining strip, and the surrounding lining strip has a first accommodating space. In the height direction of the rolling device, the rolling device comprises a first work roll and a second work roll which are oppositely and spacedly arranged, and at least part of the second work roll is located in the first accommodating space. When the rolling device works, the lining strip and the straightened strip are attached together and are located between the first work roll and the second work roll, and the straightened strip is located between the lining strip and the first work roll.

The application discloses a residual rolling oil cleaning device, which comprises an air outlet pipe, an air guide pipe and an air inlet pipe, the air outlet pipe is communicated with the air inlet pipe through the air guide pipe, the air guide pipe is perpendicular to the air inlet pipe and the air outlet pipe, and the two ends of the air guide pipe are arranged at the middle parts of the air outlet pipe and the air inlet pipe respectively; one end of the air inlet pipe is communicated with an external compressed air source, and the other end of the air inlet pipe is provided with a sealing steel plate two; the upper and lower surfaces of the air outlet pipe are both provided with a sealing steel plate one, and the middle part of the surface of the air outlet pipe, which is far away from the air guide pipe, is provided with an air outlet; the compressed air outside is introduced into the air outlet pipe through the air guide pipe, and is blown out through the air outlet arranged on the air outlet pipe, so that the residual rolling oil on the plate surface is blown and swept; the slit straightness of the air outlet is good, the slit width is uniform, the blown air flow is uniform, a continuous force point is formed on the strip surface, and the sweeping effect is good.

The invention discloses a pre-rolling anti-cracking surface treatment method for a large-section titanium alloy square billet, and belongs to the technical field of titanium alloy surface treatment. The method comprises the following steps: S1, sequentially carrying out surface grinding and oil removal treatment on a titanium alloy square billet; s2, the pretreated square billet is subjected to nickel electroplating, and an initial nickel plating layer is formed; s3, the nickel-plated square billet is heated and subjected to heat preservation under the vacuum condition; s4, secondary nickel electroplating is conducted on the square billet after stress relief, and a thickened nickel plating layer is formed; and S5, the secondary nickel-plated square billet is rolled after being subjected to uniform-temperature heating and heat preservation. A uniform and compact nickel plating layer is formed on the surface of the large-section titanium alloy square billet through electroplating, the temperature reduction rate of the surface layer of the square billet after the square billet is discharged from a furnace can be reduced, the temperature gradient between the surface and the interior of the billet is remarkably reduced, and the rolling plasticity of the billet in the rolling starting link is guaranteed; the technical problem that the large-section titanium alloy square billet is prone to cracking in the rolling process can be effectively solved.

The invention relates to a method for wringing a rolled strip (2), the method comprising: - / A / Providing a wringing installation comprising two hydrodynamic pads (6), extending lengthwise over a width of the rolled strip (2), - / B / Advancing said rolled strip (2) between two hydrodynamic pads (6) in a defined direction (V) from upstream to downstream, - / C / Applying pressure to the hydrodynamic pads (6) one towards the other on either side of the rolled strip (2), along a clamping plane transverse to the strip, during the advance of said rolled strip (2), the hydrodynamic pads (6) sliding on the rolled strip (2) by means of a layer of fluid, each of the hydrodynamic pads (6) performing a first wringing operation by blocking at least a portion of a lubricant layer of the strip coming From upstream to downstream, - / D / Aspiration,via a suction orifice (9) located downstream of the hydrodynamic pads (6) of at least part of a residual layer of fluid, thus performing a second wringing operation on the belt. The invention also relates to an associated wringing installation.

The invention discloses a foil rolling mill for purging and cleaning rolling oil on the surface of a battery aluminum foil and a using method, and relates to the technical field of foil rolling mills. A liquid outlet pipe is fixed in a liquid outlet formed in the left side of the mounting frame, an electromagnetic valve is mounted on the circumferential surface of the liquid outlet pipe, two corresponding guide rod oil-liquid separators are mounted at the left end of the lower side of the interior of the mounting frame, and the left side of the interior of the mounting frame is rotationally connected with the guide rod oil-liquid separators; a liquid outlet of the oil-liquid separator is connected with a liquid outlet pipe, a winding assembly is mounted on the right side of the mounting frame, a wiping assembly is mounted on the right side of the interior of the mounting frame, a drying assembly is mounted on the front side of the mounting frame and connected with the wiping assembly, and a rolling assembly is mounted in the middle of the interior of the mounting frame; and a reset assembly and an extrusion assembly are mounted in the mounting frame, and a rolling oil film on the surface of the aluminum foil can be thoroughly removed.

The application relates to a strip steel bluing production line which comprises a feeding mechanism, a heating and cooling mechanism, a conveying mechanism and a discharging and winding mechanism which are sequentially connected, a cleaning mechanism is arranged between the feeding mechanism and the heating and cooling mechanism, the cleaning mechanism comprises a cleaning tank, a first guide roller is arranged at the inlet end of the cleaning tank, an oil scraping device is arranged at the outlet end of the cleaning tank, the heating and cooling mechanism is provided with two groups, namely a first heating and cooling mechanism and a second heating and cooling mechanism, a tension adjusting mechanism and a cooling and drying mechanism are arranged between the first heating and cooling mechanism and the second heating and cooling mechanism, the conveying mechanism comprises a base, a transmission conveying device for conveying the strip steel is arranged above the base, and an oiling device for smearing rust-proof oil on the surface of the strip steel is arranged at the inlet side of the transmission conveying device. The application has the effects of realizing automatic operation of strip steel bluing treatment and improving the efficiency and quality of strip steel bluing treatment.