50results about How to "Precise process control" patented technology

The invention relates to a natural graphite composite material, a preparation method thereof and a lithium ion battery. The natural graphite composite material comprises natural graphite and an amorphous carbon shell coating the surface of natural graphite, wherein the amorphous carbon shell is made from a bonding agent and an additive through thermal treatment. The amorphous carbon shell is made from the bonding agent and the additive through thermal treatment, can uniformly coat the surface of natural graphite, and provides the natural graphite composite material with characteristics of high capacity, good compaction, low circulation expansion ratio and long circulation life. The natural graphite composite material is stable in performance and excellent in overall performance. The preparation method of the natural graphite composite material is mild in condition, simple in process and low in cost.

The invention discloses a cold disinfection method for a cip center control system of a milk product production line. The cold disinfection method is used for carrying out cold disinfection on a milk collecting pipeline, a milk tank car, a raw material storage tank and a homogenizing machine and comprises the following steps of (1) starting the cip center control system to primarily clean a production line; (2) emptying an acid liquor in an acid pickling tank in the cip center control system, and inputting a cold disinfectant; (3) regulating the acid pickling temperature to normal temperature through the cip center control system, and setting the acid pickling process time within 8-15 minutes; starting the cip center control system to carry out an independent acid pickling process; (4) flushing with water for 3-5 minutes after ending the acid pickling operation in the step (3); and (5) emptying the cold disinfectant in the acid pickling tank, flushing to be clean, and then, conveying the acid liquor discharged in the step (2) to the acid pickling tank. By using the cold disinfection method for the center control system, automatic cold disinfection is realized, both the disinfection process waiting time and the disinfection time are greatly shortened, and the cip disinfection efficiency in the production process is increased.

The invention relates to a method for reducing manganese oxide by an internal-heat rotary kiln. The method comprises the following steps: crushing manganese oxide and mixing the crushed manganese oxide with pulverized coal according to a certain proportion; transferring the obtained mixed material into a rotary kiln which is arranged aslant; heating and igniting the mixed material in the rotary kiln by using a pulverized coal burner with multiple air channels, keeping the temperature of 800-900 DEG C, roasting for 3-8 hours, and cooling the material to the temperature of 40-70 DEG C; and polishing the material into powder with over 90 meshes with a ball mill for producing electrolytic manganese. The method for reducing a manganese oxide ore has the advantages of high reduction rate up to over 95%, low energy consumption, accurate process control and stable product quality; and the reduced manganese oxide ore can replace a manganese carbonate ore for producing electrolytic manganese metal.

The invention discloses a production process for preparing high-nitrogen vanadium nitride by using a vacuum furnace method, and relates to a production process for producing a high-nitrogen vanadium nitride product in a vacuum resistance furnace by taking high-purity vanadium pentoxide powder as the raw material through a nitridation sintering method. According to the production process, the process procedures of reduction, nitridation and sintering are carried out in a vacuum furnace, so that the energy consumption is low, the process control is accurate, the production efficiency of the product is high and stable, and the environment is not polluted.

The invention discloses a control system for a blood taking needle assembly machine. The control system comprises a detecting mechanism, an assembling mechanism, an index plate feeding mechanism, a mechanical arm mechanism and an upper computer. The index plate feeding mechanism, the mechanical arm mechanism, an outer sleeve feeding mechanism, an inner sleeve feeding mechanism, a front spring feeding mechanism, a rear spring feeding mechanism, a rear cover feeding mechanism and a front cover feeding mechanism are internally provided with PLCs correspondingly, and the PLCs are in network communication connection with control modules in the upper computer correspondingly. According to the control system, the seven parts are automatically assembled according to different sequences, the PLC microcomputer control technology is adopted, each functional unit uses an independent control system, and connection between the PLCs of the functional units and connection between the PLCs and the upper computer are realized through the PLC network communication function modules. The control system has the advantages of being high in degree of automation, accurate in process control, convenient to operate, stable in operation and high in product percent of pass.

A preparation method of seasoned poached eggs comprises the following steps: (1) eggs are graded according to the quality standard; (2) a heat transfer medium is heated to 80-95 DEG C; (3) the eggs are totally immersed in the heat transfer medium and boiled for 7-10 min; (4) the boiled eggs are cooled in water at 10-20 DEG C; (5) the cooled eggs are totally immersed in a prepared seasoning liquid, the mixture is placed in vacuum decompression equipment for 2-4 days, the vacuum degree is kept from subzero 0.09 Mpa to subzero 0.1 Mpa, and the temperature is set to be 25 DEG C; (6) the poached eggs prepared through the steps are subjected to cold storage in a low-temperature environment at 0-10 DEG C. The egg white of the prepared poached eggs is denaturalized completely, and the hardness and the elasticity reach the states of normal hard boiled eggs; while the texture of yolk is in a soft sate and colloidal, the yolk is in bright deep yellow and tastes fine and soft, and small-molecular flavor substances of the prepared seasoning liquid enter the eggs completely without damaging the inside forms of the poached eggs, so that the poached eggs are good in color, flavor and taste.

The invention discloses a manufacturing execution system and a manufacturing system having a virtual measuring function. The manufacturing execution system is established on the basis of configurations of middleware, such as an object request broker, an equipment manager, a virtual measuring system, a statistical process control (SPC) system, an alarm manager, a scheduler and the like. The manufacturing system comprises a first process cabinet, a second process cabinet, a measuring cabinet, the manufacturing execution system, a first run-to-run (R2R) controller and a second R2R controller.

A method for controlling the temperature of a hot isobaric press comprising a pressure vessel (1) having a charging zone (19) located inside and being arranged between the charging zone and the pressure vessel The heat insulator (8) between them, wherein, the heating element (4) and the charging area (19) with the charging device (18) are arranged in the heat insulator (8). Therein, in addition to at least one existing natural or activated convection for heating or cooling or for maintaining the temperature level, at least one swirl (23) is actively or passively formed in the pressure vessel (1). An independent or also suitable hot isobaric press for this method is characterized in that in the pressure vessel (1) there are arranged active or passive means for forming a swirl (23) which occurs essentially at an angle to the convection device.

The invention belongs to the field of spinning slices, and particularly relates to nylon 6 slices for superfine sea-island fibers and a manufacturing method thereof. The nylon 6 slices are formed by polymerizing caprolactam and an aid in a ratio of 1,000:(7-10), wherein the aid is prepared from a dicarboxylic acid end-capping reagent, water, an amine end-capping reagent and isophthaloyl dipiperidino amine according to a ratio of (3-6):(40-60):(3-6):(10-40). The method is simple in a preparation process, high in operability, reasonable in proportioning of each component and accurate in process control in the polymerization process, and the compounded end-capping reagents are adopted, so the nylon 6 slices for the superfine sea-island fibers are high in matching with polyethylene melt viscosity and stable in performance and have a wide market prospect.

The invention discloses a flexible electrochromic device and a preparation method thereof. The flexible electrochromic device comprises a first flexible base material, a first conductive layer, an electrochromic layer, a quasi-solid electrolyte layer, an ion storage layer, a second conductive layer and a second flexible base material which are sequentially laminated, and further comprises a buffer dielectric layer arranged on at least one side of the quasi-solid electrolyte layer. According to the flexible electrochromic device, the buffer dielectric layer is arranged on at least one side of the quasi-solid electrolyte layer, and the buffer dielectric layer can adsorb water, so that the influence of water on the flexible electrochromic device in the preparation and use processes of the flexible electrochromic device is prevented, and the quality, damp and heat resistance and other aging properties of the flexible electrochromic device are improved, so that the actual service life of the device is prolonged.

The invention discloses a PE casting machine capable of realizing longitudinal drawing. The PE casting machine comprises a main machine unit, a casting unit, a corona cooling unit and a traction winding unit; the main machine unit comprises a main motor arranged at the upper end of a main machine support; the output end of one side of the main motor is in transmission connection with a transmission gearbox; an extruding machine is mounted at one end of the transmission gearbox; a screw sleeve is mounted at the discharging end of the extruding machine; a hopper is mounted on the upper side of the extruding machine; a continuous net changer is mounted at one end of the screw sleeve; a metering pump is mounted at one end of the continuous net changer; a compact type connecting elbow is arranged at the discharging end of the metering pump. According to the PE casting machine capable of realizing longitudinal drawing, the main extruding structure of the machine is compact, and the whole machine flow is designed in an optimized manner; full-closed-loop control is performed on the extrusion pressure and temperature, so that the stable conveying pressure is guaranteed; the whole machine adopts PLC for centralized control, data are monitored by the aid of a touch screen in real time, and remote maintenance and diagnosis are realized; and a non-stop pulse type automatic net drawing device is adopted, so that the pressure is constant during production, the quality is high, and waste products are few.

A full-automatic bundling and packing machine comprises a machine frame, a machine head module, a belt winding module, a belt advancing and retreating tensioning module, a belt feeding and penetrating module, a belt fence module and a belt rolling module, wherein the machine head module comprises a working group, the working group comprises a clamp arranged at the rear end of a belt conveying groove, a clamping die and a cutting die which are arranged on the two sides of the clamp respectively, a pressing die arranged at the lower end of the clamp, and a heating ironing head arranged on the front side of the clamp; the transmission set comprises a sliding connecting base used for enabling the clamp to move backwards to retreat from the belt conveying groove, a clamping connecting base used for driving the clamping die to eject upwards, a cutting connecting base used for driving the cutting die to eject upwards, a pressing connecting base used for driving the pressing die to eject upwards, and an ironing head swing rod used for driving the heating ironing head to be close to the clamp. The packaging machine has the characteristics of high speed, high efficiency and high reliability, meets the requirements of production lines of enterprises, and realizes rapid packaging of products.

The invention discloses a thin-strip continuous casting molten pool liquid level control method and device based on CCD liquid level detection, a storage medium and computer equipment. The method comprises the steps of: detecting the liquid level heights of different positions of a molten pool through a CCD liquid level detection system, inputting the liquid level heights of the different positions into a liquid level height data processing model to obtain the real-time liquid level height in the molten pool; respectively inputting the real-time liquid level height and a target liquid level height in the molten pool into a corresponding function between the molten pool liquid level height and the molten steel volume in the molten pool to obtain a real-time molten steel volume and a targetmolten steel volume; acquiring a molten steel volume change rate according to the real-time molten steel volume and the target molten steel volume, and carrying out closed-loop control on the castingspeed of a casting roller according to the molten steel volume change rate during casting; and after the casting roller pulling speed and the real-time liquid level height in the molten pool reach a preset stable state, a process parameter PID controller is adopted for controlling the liquid level height in the molten pool, and the liquid level of the molten pool is kept in the stable state. The method can improve the molten pool liquid level control precision.

The invention provides an automatic continuous thymol crystallization system which comprises a feeding tank, a crystallizer, a temperature control device, a crystallized material tank, a centrifugal machine, a crystal recovery device, a mother liquor recovery device, a thymol content analysis unit and a waste liquor recovery tank which are connected with a control system, an outlet of the feeding tank is connected with a crystallization point measuring unit and an inlet of a crystallizer through pipelines, an outlet of the crystallizer is sequentially connected with a post-crystallization material tank and a centrifugal machine through pipelines, an outlet of the centrifugal machine is connected with a crystal recovery device and a mother liquor recovery device through pipelines, and an outlet of the crystal recovery device is connected with a thymol content analysis unit through a pipeline. An outlet of the mother liquor recovery device is connected with an inlet of the feeding tank, the thymol content analysis unit and the waste liquor recovery tank through pipelines; each pipeline is provided with one or more of a valve, a flow monitoring meter or a pump which are controlled to be opened and closed. The automatic continuous crystallization system provided by the invention realizes automation and continuity of multiple crystallization and purification processes, and is simple and efficient in system setting and convenient to operate.

The invention provides detecting, milling and polishing equipment for workpiece welding seams, and belongs to the field of milling of large-allowance welding seams. The detecting, milling and polishing equipment comprises a manipulator, a polishing part, a workpiece detection assembly, a milling assembly, an abrasive belt polishing assembly and a chain rotating assembly, wherein the polishing part is connected to the head end of a manipulator body and used for polishing the surfaces of workpieces under the driving of the manipulator body so as to control the removal depth of welding seams, and the polishing part comprises a polishing mechanism and a protection mechanism; the polishing mechanism comprises a rack; the workpiece detection assembly is used for detecting the surfaces of the workpieces; the milling assembly is used for milling the surfaces of the workpieces according to detection results of the workpiece detection assembly; the abrasive belt polishing assembly is used for polishing the surfaces of the workpieces according to the detection results of the workpiece detection assembly; and the chain rotating assembly is used for driving the abrasive belt polishing assembly in real time according to the detection results of the workpiece detection assembly. By means of the treatment scheme, fine milling and polishing are conducted on the large-allowance welding seams in a targeted mode.