52results about How to "Avoid production interruptions" patented technology

The invention relates to a method and a device for melt spinning, treating and winding a synthetic thread. The thread is pulled off, guided and treated after melt spinning by a treatment device and iswound onto a coil by a winding device. Said thread is guided vertically from the melt spinning process to the winding process over several levels. In order to maintain short operating times, in particular when the process is started or interrupted, the treatment device is operated from a first upper operational platform. The winding device is operated in a second lower operating platform. The thread is monitored in a transitional area between the treatment device and the winding device by means of a thread monitor.

The invention provides a part installation method of a part assembly line. The part installation method realizes no overlapping of motion paths of operators performing part supply work related to types of substrates in production and part preparation work related to types of substrates to be produced, guarantees high operation efficiency and largely prevents production halts during the production of multi-operation production mode. In the part installation of the part assembly line with multiple stages of part installation machines arranged in parallel, the following steps are conducted in each stage of the part installation machines: the types of substrates produced according to the production order are distributed to substrate types on sides of first and second part feed devices alternatively; when a part transfer device selects parts from one of first and second part feed devices and installs the parts on substrates of the substrate types on the side of one part feed device, part receiving devices are disposed on the other part feed device; and the part receiving device are used for receiving parts being produced after production of the substrate types on the side of one part feed device and being of the types for the substrates of the substrate types on the side of the other part feed device.

The invention provides a fast detection device and method for the position of a lower step liner of a rolling mill. The device comprises a ruler rod and a fixing pipe clamp, wherein the front end of the ruler rod is connected with the fixing pipe clamp, and a plurality of stage reading parts are uniformly arranged on the ruler rod at intervals; the number of the stage reading parts corresponds to the number of stages of the lower step liner, and the number of stages of the lower step liner is determined by observing the number of the stage reading parts. The fast detection device is low in manufacture cost, is suitable for the bad environment of sites, and is easily maintained and used. The method is easily popularized.

The invention provides a switchable mechanical pump air-exhausting device for vacuum refining of molten steel and belongs to the technical field of external refining of steel-making furnaces. The switchable mechanical pump air-exhausting device comprises a water-cooled air exhausting pipe (1), an air cooler (2), an air exhausting pipe (3), a vacuum fast switching box (4), a high-temperature dust filter (5), a front pump valve (6), a lobe pump unit (7), a rear pump valve (8), a switching valve (9), a screw pump unit (10), a water ring pump unit (11) and an emptying pipeline (12). According to the switchable mechanical pump air-exhausting device, four different combination modes can be achieved through the vacuum fast switching box (4) and the switching valve (9) so as to adapt to different working conditions in the vacuum treatment process. The switchable mechanical pump air-exhausting device for vacuum refining of molten steel has the advantages that the air exhausting efficiency of a mechanical pump is high, the service life of equipment is long, and the operating cost is low.

The invention discloses an orientated detection device for the density of a solution. The device comprises a floating ball (4) capable of moving along a guiding rod (2), the floating ball (4) is placed in a cavity in a shell (1), a signal trigger (6) and a signal contactor (9) are sequentially arranged at one end, away from the guiding rod (2), in the shell (1), and the side surface (3) of the shell (1) is provided with a solution feeding and discharging opening (12) communicated with the cavity. The device solves the density detection problem of a concentrated solution, realizes continuous production, reduces the quality instability of the concentrated solution, and stably improves the economic value creation efficiency.

The invention discloses a system for performing iron removal on an iron-containing solution. The system comprises a vertical reaction kettle and a horizontal reaction kettle, wherein the vertical reaction kettle comprises a vertical reaction kettle body, an iron-containing solution feeding port, a first steam inlet and a first oxygen inlet; the horizontal reaction kettle comprises a horizontal reaction kettle body, a first iron-removed slurry feeding port, a second steam inlet and a second oxygen inlet; the iron-containing solution is an iron-containing sulfate solution, preferably, the iron-containing solution is at least one selected from a ferrous sulfate solution, an iron-containing nickel sulfate solution, an iron-containing cobalt sulfate solution and an iron-containing copper sulfate solution. According to the system for iron removal of the iron-containing solution disclosed by the embodiment of the invention, the vertical reaction kettle and the horizontal reaction kettle are combined for use so as to effectively solve the production interruption caused by the problems of scaling in the kettles in the iron removal process and ensure the continuous and stable operation of production, thereby significantly improving the iron removal efficiency and the equipment utilization rate.

The invention discloses a cleaning method of clogging materials on an RH lower groove and an alloy feed opening. In 20 min and within 20 min after RH production is ended, under the condition that thegroove temperature is higher than 1300 DEG C, an oxygen lance is adopted to blow oxygen to the lower groove; oxygen blowing is performed at three stages, namely the high stage, the middle stage and the low stage according to the distance between the muzzle of the oxygen lance and the bottom of the groove; the distance between the muzzle of the oxygen lance and the bottom of the groove at the highstage is larger than 5.5 m and smaller than 7.0 m, the distance between the muzzle of the oxygen lance and the bottom of the groove at the middle stage is larger than 5.0 m and smaller than 5.5 m, andthe distance between the muzzle of the oxygen lance and the bottom of the groove at the low stage is larger than 4.5 m and smaller than 5. 0 m; and the oxygen blowing speed is 1200-1500 Nm<3>/h. Theclogging materials on the lower groove and the alloy feed opening are melted by heat released by a chemical reaction between sufficient oxygen and Fe left on the inner wall of the groove and the alloyfeed opening; and by using the heat released by a Fe-O chemical reaction and combination with Gibbs free energy characteristics of FeO, Fe3O4 and Fe2O3, the clogging materials on the lower groove andthe alloy feed opening are melted, the refractory material damage is reduced, the condition that the alloy feed opening is blocked by the clogging materials is avoided, the production interruption caused by blockage of the clogging materials is avoided, and the service life of a refractory material in a vacuum tank is prolonged.

The invention relates to a method for controlling a high-speed flying shear. The method comprises the steps that a first pulse value P of the starting of a steel poker is calculated; a third pulse value P1cut corresponding to the length between adjacent blades is calculated, and blade rotation pulses are accumulated and counted to obtain a fourth pulse value Pz; original blade rotating blade number N1 corresponding to the distance between rolled piece detection equipment and an intersection point, a fifth pulse value delta P1 corresponding to the remaining length, and a sixth pulse value deltaPn1 of the next blade reaching the intersection position are calculated; if the situation that the sixth pulse value delta Pn1 minus the fifth pulse value delta P1 is greater than the first pulse value P is satisfied, the actual blade rotating blade number Nt is equal to the original blade rotating blade number N1; otherwise, the actual blade rotating blade number Nt is equal to the original blade rotating blade number N1 plus 1; and the flying shear is started when the situation that the fourth pulse value Pz is equal to the actual blade rotation blade number Nt multiplied by the third pulsevalue P1cut plus the third pulse value P1cut minus the first pulse value P is satisfied. According to the method for controlling the high-speed flying shear, the accurate control of the steel poker can be achieved, so that the control precision of the high-speed flying shear is improved, the production interruption fault caused by the high-speed flying shear is eliminated, and the production efficiency is greatly improved.

The invention provides a continuous production process of a waterproof coiled material. The process includes: sending a substrate into a covering component continuously by a winding temporary storage mechanism, coating the upper surface and lower surface of the substrate with asphalt respectively by the covering component, covering the upper surface of the substrate with a PET film, and covering the lower surface of the substrate with an isolating film; then letting the substrate covered with a film on the upper and lower surface respectively enter a rubber extrusion component continuously to conduct excess asphalt extrusion so as to obtain a waterproof coiled material, and passing the waterproof coiled material through a drying component, heating the inner layer asphalt to make the inner layer asphalt coated evenly, and subjecting the waterproof coiled material to cooling molding by a cooling component, thus obtaining the molded waterproof coiled material. The continuous production process of the waterproof coiled material can realize continuous feeding of the substrate, so that the covering component can achieve continuous production without interruption, thus ensuring production continuity and improving the processing efficiency.

The invention relates to a rotary kiln riding wheel bearing set lubricating device. The device comprises an oil inlet hard pipe, an oil inlet hose, a metering pump, an oil tank, a first oil outlet hose, a second oil outlet hose, an oil outlet hard pipe, a tee joint and a ventilation cap. One end of the oil inlet hard pipe is connected with one end of the oil inlet hose, the other end of the oil inlet hose is connected with an oil outlet of the metering pump, an oil inlet of the metering pump is connected with one end of the first oil outlet hose, the other end of the first oil outlet hose is connected with an oil inlet of the oil tank, an oil outlet of the oil tank is connected with one end of the second oil outlet hose, and the other end of the second oil outlet hose, one end of the oil outlet hard pipe and the ventilation cap are respectively connected to three interfaces of the tee joint; a plurality of magnetic nets are further arranged in the oil tank; and the device further comprises an oil cooler connected in series between the oil inlet hose and the metering pump, or a cooling coil arranged in the oil tank. According to the rotary kiln riding wheel bearing set lubricating device, the oil temperature of the lubricating oil is remarkably reduced, the consumption of the lubricating oil is reduced, and the lubricating oil in a riding wheel bearing set can be kept at a lower oil temperature for a long time to ensure a good lubricating effect.

The invention provides a material management method and system, and the method is applied to a material management system which obtains materials according to a production order and produces products. The material management method comprises the following steps: setting a material consumption point in the material management system; obtaining a production order of a product corresponding to the material consumption point; obtaining a material stock number according to the production order; and sending a stock-up instruction according to the stock-up quantity of the materials, and preparing the required materials at the material consumption point according to the stock-up instruction. By adopting the method provided by the embodiment of the invention, different consumption points can be set, production interruption caused by material shortage of the station and unsmooth material turnover is avoided, and the production efficiency is improved.

The invention provides a dense medium shallow slot dredging device based on machine vision and a control method. The dense medium shallow slot dredging device comprises a dense medium shallow slot, a visual detection assembly, a central processing unit and an overflow weir dredging device. The dense medium shallow slot is provided with an overflow weir, and the visual detection assembly is installed above the overflow weir; the overflow weir dredging device is installed in the dense medium shallow groove and located above the overflow weir, the visual detection assembly and the overflow weir dredging device are connected with a central processing unit, the visual detection assembly comprises an industrial camera and an LED light source, and the overflow weir dredging device comprises a support, a horizontal sliding rail, a rotating motor, a ball screw, a sliding block and a manipulator. The coal briquettes are recognized in a machine vision mode, the overflow weir is dredged through automatic mechanical equipment, the burden of field workers is relieved, accuracy is high, dredging operation is timely, heavy-medium shallow groove production abnormity can be avoided, and the sorting work efficiency can be improved.

The invention discloses a method for removing iron from an iron-containing zinc sulfate solution. The method comprises the following steps: supplying the iron-containing zinc sulfate solution to a vertical reaction kettle, and introducing steam and oxygen into the vertical reaction kettle so as to perform primary iron removal treatment in the vertical reaction kettle to obtain first iron-removed slurry; supplying the first iron-removed slurry to a horizontal reaction kettle, and introducing steam and oxygen to the horizontal reaction kettle so as to perform secondary iron removal treatment in the horizontal reaction kettle to obtain second iron-removed slurry. According to the method of removing iron from the iron-containing zinc sulfate solution disclosed by the embodiment of the invention, the vertical reaction kettle and the horizontal reaction kettle are combined for use so as to effectively solve the production interruption caused by the problems of scaling in the kettles in the iron removal process and ensure the continuous and stable operation of production, thereby significantly improving the iron removal efficiency and the equipment utilization rate.

The invention discloses an automatic discharging machine, relates to the field of plastic processing machinery, and solves the problems that an existing discharging machine is low in working efficiency and easy to bridge. The machine comprises a storage cylinder, a rotating plate, a stirring paddle, a motor, a transmission device, a longitudinal propelling device, a discharging opening and an extruding machine, wherein the material storage cylinder is arranged above the extruding machine, the discharging opening is formed in the bottom of the material storage cylinder, the rotating plate is arranged inside the storage cylinder, the stirring paddle is connected with the rotating plate, the longitudinal propelling device is arranged on the outer wall of the discharging opening, and the motoris respectively connected with the rotating plate and the longitudinal propelling device through the transmission device; the automatic discharging machine is used for stirring at the upper part of the discharging opening by adopting the stirring device, so that the phenomenon of bridging is prevented; and the bottom carries out propelling on the side wall by adopting the longitudinal propellingdevice, so that the direct propulsion mode of the traditional feeding equipment is changed, and the feeding speed is increased.