15results about How to "Avoid unstable product quality" patented technology

The invention relates to a method for judging a steelmaking decarburization end point by using converter gas, which comprises the following steps: S1, mounting a flue gas analysis system at a converter flue and the tail section of a boiler, and collecting flue gas; s2, transmitting CO and CO2 numerical values obtained by analysis of the flue gas analysis system into a data acquisition system; s3, calculating the obtained numerical values in a data acquisition system, and adding the numerical values of CO and CO2 to obtain a mole sum x; and S4, a threshold value is set at the position where the mole sum x is reduced to 70% of the peak value in the middle stage at the blowing last stage, a linear function relation between the mole sum x and the molten steel carbon content value is set according to the change of the mole sum x in the steelmaking process, a dynamic molten steel carbon content value of end point decarburization is obtained, and when the target value is reached, gun lifting blowing is ended. According to the method, the furnace gas components of CO and CO2 can be accurately analyzed in time, the decarburization end point is judged in time in the oxygen blowing decarburization steelmaking process of the converter, alloy waste caused by over-blowing during deoxidation alloying is avoided, the molten steel quality is stabilized, and the production efficiency is improved.

The invention relates to the technical field of semiconductor processing, and particularly discloses a sand blasting method for protecting a disc body product, which comprises the following steps: processing a to-be-blasted surface of a to-be-blasted part to a size required by a drawing, then processing a non-blasted surface opposite to the to-be-blasted surface, and reserving a certain processing allowance, then, according to the roughness requirement of the drawing, the to-be-sandblasted surface is subjected to sandblasting treatment, the to-be-sandblasted part obtained after sandblasting is completed is machined again, it is guaranteed that the flatness of the to-be-sandblasted part meets the drawing requirement, the to-be-sandblasted surface obtained after machining again is protected, and the non-sandblasted surface is machined to the size needed by the drawing; and finally, the two to-be-sandblasted side faces of the to-be-sandblasted part are sandblasted, and the sandblasted to-be-sandblasted faces are repaired. The device can adapt to the situation that the to-be-sandblasted surface deforms after sandblasting treatment, so that the flatness of the to-be-sandblasted part meets the drawing requirement, the form and location tolerance of the finished product state of the protective disc body product is effectively ensured, and the use requirement of a user is met.

The utility model relates to the field of organic silica gel adhesive production, and discloses a mixer for organic silica gel adhesive production, which comprises a box body, the top of the box body is fixedly connected with a plurality of connecting rods, the tops of the connecting rods are fixedly connected with a fixed plate, the top of the fixed plate is fixedly connected with a motor, and the motor is fixedly connected with the box body. The output end of the motor is fixedly connected with a first gear, the bottom of the first gear is fixedly connected with a rotating column, the side wall of the top of the box body is fixedly connected with a gear ring, the top of the box body is provided with a T-shaped groove, the interior of the T-shaped groove is slidably connected with two T-shaped blocks, and the bottoms of the T-shaped blocks are fixedly connected with second gears. According to the utility model, under the cooperation of the motor, the first gear, the second gear, the stirring column and other structures, various raw materials can be fully mixed by the stirring mechanism conveniently, the uniformity of components is ensured, and the problem of unstable product quality caused by non-uniform mixing of the raw materials is avoided.

The utility model relates to an anti-bridging hopper of full-degradation granulation production equipment, which aims to solve the technical problem of instability caused by separation due to the same axial force in the current raw material stirring process, and comprises a hopper, a stirring shaft is rotationally arranged in the hopper, and the anti-bridging hopper further comprises a stirring structure; the two stirring structures are sequentially arranged on the stirring shaft; the stirring structure comprises a connecting block and a stirring blade; a hole is formed in the middle of the connecting block and sleeves the stirring shaft; the middle inner wall of the inner cavity of the stirring blade is fixedly connected with the outer wall of the connecting block; the material stirring device has the advantages that when materials in the hopper are stirred through the two stirring blades which are distributed in a cross-shaped and staggered mode, stirring force can be provided for different positions of the materials at different heights, and the materials cannot be differentiated from each other.

The utility model relates to the technical field of insulation board production, and discloses a novel cutting device for insulation board production and processing, which comprises a fixing frame, a collecting box is fixedly connected in the fixing frame, the upper part of the collecting box is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a rotating shaft; a gear is fixedly connected to the upper portion of the rotating shaft, racks are connected to the two sides of the outer portion of the gear in a meshed mode, a fixing plate is fixedly connected to the separated sides of the racks, a first sliding block is fixedly connected to the upper portion of the fixing plate, a workbench is rotationally connected to the upper portion of the gear, and a connecting plate is fixedly connected to the upper portion of the first sliding block. And the opposite sides of the connecting plates are fixedly connected with second clamping plates. According to the utility model, the insulation board can be kept flat in the processing process, the unstable product quality caused by deformation or distortion is prevented, the error of the insulation board in the processing process is reduced, and the processing precision of the product is improved.

The invention discloses an agricultural crop straw smashing device, and particularly relates to the technical field of straw smashing, the agricultural crop straw smashing device comprises a smashing box, a groove is formed in the upper end of the smashing box, a feeding port is fixedly connected to the upper end of the smashing box, and an intermittent feeding assembly is arranged at the upper end of the smashing box; a knocking assembly is arranged on the right side of the intermittent feeding assembly, a smashing assembly is arranged in the smashing box, a shaking assembly is arranged on the lower side of the smashing assembly, a flow dividing assembly is arranged on the lower side of the shaking assembly, and a magnetic attraction assembly is arranged on the lower side of the flow dividing assembly. According to the device, intermittent feeding and knocking of straw are achieved through the intermittent feeding assembly and the knocking assembly, screening and secondary smashing are conducted on the straw while the straw is smashed through cooperation of the other assemblies, and finally the screened straw is subjected to flow dividing and metal separation through the flow dividing assembly and the magnetic attraction assembly; the production efficiency of the equipment is integrally improved, and the service life of the whole device is prolonged.

This utility model discloses a garment wrinkling production equipment, which includes a processing table and a top plate above it. The processing table is equipped with a pressure plate, and the top plate is equipped with a liftable support plate located at one end of the pressure plate and the pressure plate. The support plate is equipped with at least one folding mechanism for folding garments, located between the pressure plate and the pressure plate. The folding mechanism has air vents that prevent garment displacement by using negative pressure to absorb the garment. The operator puts jeans into the folding mechanism and starts it, and the folding is completed automatically. The air vents ensure the positioning, quality, and consistency of the wrinkles. After folding, the pressure plate and the pressure plate automatically wrap around the garment, applying high pressure and high temperature to shape and solidify it. Subsequently, cold air is rapidly cooled by negative pressure, and the wrinkles are locked based on the principle of durable pressing. This solution coordinates multiple mechanisms, reduces reliance on manual labor, avoids fatigue and errors, ensures the consistency and pass rate of finished products, achieves stable and reliable performance and high production efficiency, and effectively reduces manufacturing costs.

The utility model belongs to the field of wood edge banding machine, specifically speaking is wood edge banding machine novel polygonal blade prevents blocking silk and scrapes edge assembly, including three base frames, the inside fixed mounting of three base frames all has stand, the surface sliding connection of stand all has two vertical supports, two vertical supports all are penetrated with horizontal column in the inside, the surface sliding connection of horizontal column has crosspiece, the side fixed mounting of vertical support and crosspiece opposite side has crosspiece spring together, can realize one sword multipurpose, makes a variety of technology to combine together, flexible switching, perfect solution edge banding machine scrapes edge and blocks silk problem, avoids in the production process because of such problem and causes product edge banding effect bad unqualified product, can be added on single side edge side wheel scraping edge assembly, L type scraping edge assembly and servo scraping edge assembly at random, makes product more stable, satisfies more different production technology customer demand, strong adaptability, the product effect stable of production.

The invention belongs to the technical field of calcium formate oxo-synthesis, and particularly relates to a calcium formate oxo-synthesis process and a calcium formate oxo-synthesis method, which are characterized in that through accurate raw material ratio, reaction condition control and operation step design, the molar ratio of a mixture, reaction temperature and time, filtration, concentration, crystallization and drying processes are optimized; the efficient synthesis of calcium formate carbonyl is realized. The optimized process not only improves the purity and the yield of the product, but also reduces the energy consumption and the production cost, and has remarkable economic and environmental advantages. Through detailed step description and operation parameter setting, important practical value and guiding significance are provided for technical progress in the field of calcium formate carbonyl synthesis.

The present application relates to raw material crushing technical field, and discloses a kind of raw material crushing equipment for poultry feather production amino acid, comprising: pretreatment cylinder, the top of the pretreatment cylinder is communicated with feed frame, the top of the feed frame is rotatably connected with cover plate by rotating pin, the bottom of the pretreatment cylinder is communicated with discharge nozzle, the outside of the discharge nozzle is fixedly connected with support plate, the bottom of the support plate is fixedly connected with base;Crushing cylinder, the bottom of the crushing cylinder is located in the central position and is provided with discharge port;Crushing device, for grading crushing treatment to raw material;Stirring device, the stirring device is used to stir the raw material in the crushing cylinder;Discharge device, the crushed raw material is screened and discharged by discharge device.The raw material crushing equipment for poultry feather production amino acid processes feather using the processing mode of combining pre-crushing and fine crushing, and the pre-crushed feather is finely ground and cut.

The present application relates to the technical field of automatic control of chemical fertilizer production, in particular to a chemical fertilizer production line equipment control system and method. The system adopts a three-layer architecture: a multi-modal perception and execution layer is used to collect the physical and chemical properties of materials and the equipment state in real time; an edge intelligent control layer is responsible for data preprocessing and local closed-loop control; a cloud digital twin and global scheduling layer optimizes the global strategy through the construction of a three-dimensional digital model and a multi-agent reinforcement learning model. The present application aligns the timestamps of perception data, predicts the evolution of digital twins in real time, and cooperatively controls the logic of multiple agents, and then sends the optimal action vector to the edge side for smooth execution. This scheme solves the problems of strong process parameter coupling, manual adjustment lag and high energy consumption in chemical fertilizer production, realizes precise centralized control of the whole process, improves the product qualification rate, and effectively reduces the energy efficiency and fault shutdown risk of the whole plant.

The utility model relates to the technical field of solid-phase reaction devices, in particular to an energy-saving solid-phase heating reaction device. Comprising a moving platform, a feeding assembly, a discharging assembly, a protective shell and a heating body. The protective shell and the feeding assembly are arranged on the surface of the movable platform. The feeding assembly can move to the bottom end of the protective shell for feeding. A discharging assembly is arranged at the bottom end of the protective shell and can discharge and cool materials. And the heating body is arranged at the top end in the protective shell. After entering the protective shell through the push plate, solid-phase raw materials continuously exchange heat with high-temperature materials on the other side of the first shell in the process of moving to the heating body area. By means of the process, the raw materials are effectively preheated before being heated, waste heat of the heated solid phase is recycled, and therefore the problems that in the prior art, energy consumption is high, and the energy utilization rate is low are solved.

This utility model discloses a quantitative feeding device for zinc alloy smelting equipment, relating to the field of zinc alloy smelting technology. The utility model includes a casting furnace, with a feeding rack on one side. The feeding rack is installed at the feeding port of the casting furnace by fastening bolts. A placement platform is located on the upper part of the feeding rack, and a weighing scale is installed at the bottom of the placement platform. Gears are fixedly installed on the middle of both sides of the weighing scale, and both sides of the two gears are rotatably mounted on the middle of the feeding rack. Toothed plates are provided at the lower part of the two gears, and both toothed plates are meshed with the gears. This application uses the weighing scale to measure the weight of the zinc alloy raw material on the placement platform in real time, and, in conjunction with the electric push rod, gears, and toothed plates, feeds the measured material into the casting furnace, thereby accurately controlling the amount of raw material entering the casting furnace each time. This effectively avoids deviations in the feeding amount due to metal ingot collisions, thus preventing unstable product quality.

The present application proposes a polyvinyl chloride resin with high space-time yield and a preparation method thereof, and relates to the field of polymer technology. A preparation method of polyvinyl chloride resin with high space-time yield comprises the following steps: emulsifying an initiator and adjusting the concentration with a diluent before storing to obtain an initiator preparation solution; adding a pH regulator, a dispersant, deionized water and a premixed vinyl chloride monomer into a reaction container, heating and stirring to obtain a mixed solution; when the mixed solution is suspended and polymerized, adding the initiator preparation solution into the reaction container in stages; when the pressure in the reaction container begins to drop for the first time, adding vinyl chloride monomer into the reaction container, adding an antioxidant after the reaction to obtain an aqueous slurry; sending the aqueous slurry to steam stripping, centrifugal drying and homogenization treatment to obtain a polyvinyl chloride resin product with high space-time yield. The polyvinyl chloride resin prepared by this method has the advantages of high space-time yield and low water content.

The invention relates to the technical field of transportation equipment, in particular to a feeding device for a hawthorn production device.The feeding device comprises a screening box and two supporting frames, the two supporting frames are symmetrically and evenly distributed on the two sides of the screening box, a conveying belt used for conveying hawthorns is rotationally installed above each supporting frame, and a feeding opening is fixedly formed in the top end of the screening box; the two sides of the screening box are fixedly connected with discharging pipes, and each discharging pipe is located on the top of the conveying belt. An inner cavity of the conveying belt is rotatably connected with a conveying mechanism used for filtering bad hawthorn fruits, an inner cavity of the screening box is fixedly provided with a screening mechanism used for removing empty hawthorn fruits, and a filtering box of the screening mechanism is fixedly connected with a discharging pipe to convey good hawthorn fruits. Broken fruits can be accurately recognized and removed in the hawthorn conveying process, the bad fruits are removed and the hawthorns are screened in the mode of changing the external form of the inflation roller, and the automatic screening and conveying process is achieved.