48results about How to "Ensure product quality is qualified" patented technology

The invention discloses an optimization and control method of a rectification column. In the method, a rectification column is controlled according to a material balance relationship and a component balance relationship by adopting a ratio of light products to heavy products of the rectification column as a main controlled variable; a feedforward compensation strategy aiming at changes of feed components is used; the feed component perturbance inhibition effect of a predictive controller of the rectification column is improved; and a steady-state optimization method based on a piecewise linear model and a dynamic-state feedback qualified optimization method based on a dynamic-state prediction model are used. On the premise that the product quality is guaranteed to be qualified, the optimization of multiple targets of qualified quality of high-value products, highest yield of the high-value products, and lowest comprehensive energy consumption of the rectification column is realized, and the operational comprehensive production benefits of the rectification column are increased.

The invention discloses a method for controlling strip-steel head and tail temperature, comprising the following steps of: A. detecting positions of welded seams of strip-steels by a detector; B. calculating predicted strip temperature values of the front and the back strip-steels at a heating furnace outlet by a mathematical model to obtain a strip temperature variation between the front and the back strip-steels; C. taking the strip temperature variation into consideration and ascertaining target strip temperatures of the upper and the lower strip-steels at the positions of the welded seams according to a principle that the predicated strip temperature values at the tail of the upper strip-steel coil and at the head of the lower strip-steel coil are not lower than a lowest annealing temperature required by the strip-steels; D. according to the obtained target strip temperatures, utilizing an empirical formula for the temperature-rise period of the heating furnace to fix the locus of the target strip temperature at the welded positions; E. according to the difference between the locus of the target strip temperature and the predicated strip temperature values, calculating a gas flow compensation value; F. counting up the gas flow compensation value and a gas flow set value calculated by the model and transmitting the total value to a heating furnace meter; and G. controlling the openness of a gas valve by the heating furnace meter through a loop.

The invention discloses a crude oil online blending optimization method facing to asphaltene control. The method is applied to the crude oil processing enterprises and comprises the following steps: under the condition of satisfying nonlinear constraint of the asphalt penetration index, selecting an optimal object to perform the optimization and blending, and computing to obtain the optimal blending formula. The crude oil online blending optimization method has the benefits of being capable of avoiding damage to the atmospheric and vacuum and subsequent processing device due to the crude oil property content change while guaranteeing that the asphalt temperature sensitivity index meets the quality requirement, and improving the production efficiency and economic benefit.

The invention discloses an injection carbazochrome sodium sulfonate suspension and a preparation method thereof, relating to the technical field of medicines. The injection carbazochrome sodium sulfonate suspension is a powder injection and comprises the following components in parts by weight: 1 part of carbazochrome sodium sulfonate, 1.5-8.5 parts of pharmaceutically acceptable biological carrier, 0.1-1.8 parts of stabilizing agent and 2-5 parts of freezing protective agent. According to the invention, the stability and the dissolvability of the carbazochrome sodium sulfonate are improved, the injection carbazochrome sodium sulfonate suspension has no remarkable change of various indexes through detection after being placed for a long time, the quality of the injection carbazochrome sodium sulfonate suspension within a valid period is ensured to be qualified; and the injection carbazochrome sodium sulfonate suspension can be slowly administrated for a long time, thus bioavailability is greatly improved. The pharmaceutically acceptable biological carrier, i.e. protein, is degraded in vivo without toxicity and immunogenicity; and meanwhile, medicine therapeutic indexes can be effectively increased, and medicine toxicity is lowered and medicine side effects are reduced.

The invention discloses a method for producing a rumen-passing protected product for ruminants and granules of the rumen-passing protected product, and relates to a method for producing rumen passing granules, in particular to the technical field of production of rumen passing granules for ruminants by taking a feed solution and a rumen-passing packing material as major raw materials. In the method, the feed solution is subjected to processes of spraying fluidized bed pelletizing, fluidized bed coating and unqualified product handling through a spraying fluidized bed pelletizing machine, a polishing machine, a sieving machine, a quantitative metering device, a fluidized bed coating machine and a sieving machine. The method is characterized in that rumen-passing pills are produced by the spraying fluidized bed pelletizing process, and rumen-passing coatings are produced by the adjustable fluidized bed coating process, so that the a high-content rumen-passing protected product which meets requirements is obtained. The method is particularly suitable for industrial mass production, and has the advantages of good product quality, high yield, low production cost, stability in running and safety.

The invention discloses a locating fixture for cathode plates of an ultraviolet photoelectric tube. The locating fixture for the cathode plates of the ultraviolet photoelectric tube comprises a locating sleeve barrel, a locating block, a first slide block, a second slide block, a pull rod and a fixed plate, after the locating block is put in the first slide block and second slide block, one end of a distance piece is inserted in the sleeve barrel body of the locating sleeve barrel and extends towards the outside, the pull rod is inserted in the sleeve barrel body of the locating sleeve barrel through a thread head and is in thread connection with a thread hole of the locating block, and a spring sleeves the outer side of the part of the pull rod inserted in the sleeve barrel body. The locating fixture for the cathode plates of the ultraviolet photoelectric tube is simple in structure, smart in principle and convenient to use and operate; when using, two cathode plates are respectively inserted in the clearance between the distance piece and the first slide block and the clearance between the distance piece and the second slide block, the pull rod pushes the locating block to move towards the outer side by the aid of the spring, the first slide block and second slide block press the distance piece by means of the inclines and sleeve barrel body with taper so that the cathode plates in the clearances are compressed, the cathode plates are located precisely, incapable of sliding and capable of keeping effective clearances, and the produced product is qualified.

The invention belongs to the technical field of PCB processing, and provides a manufacturing method of a 5G signal shielding PCB module with latches. The method comprises the following steps of: S1, amain process; s2, a forming processing sub-process; S3, latch size processing; S4, forming size processing; and S5, size and appearance quality detection. The 5G signal shielding effect is guaranteed, meanwhile, the latch size is controlled within + / -0.05mm, no gap after the latches and clamping grooves are highly matched and welded is guaranteed, and the 100% shielding effect on signals is achieved.

The invention discloses a lyophilized ginseng processing system. The lyophilized ginseng processing system comprises a vacuum freezing dryer, a near infrared spectrum detector and a controller. The near infrared spectrum detector is used for collecting near infrared spectrums of to-be-detected ginsengs in the vacuum freezing dryer. A control instruction is stored in the controller, and the controller is used for controlling the vacuum freezing dryer to work. Moisture quantitative analysis models of standard ginseng samples at different lyophilizing stages are further stored in the controller,the controller conducts moisture measuring on the near infrared spectrums of the to-be-detected ginsengs according to the moisture quantitative analysis models at the different lyophilizing stages andjudges whether the moisture content of the to-be-detected ginsengs reaches the moisture content of the standard ginseng samples at the current lyophilizing stage or not, if the judgment result is that the moisture content of the to-be-detected ginsengs reaches the moisture content of the standard ginseng samples at the current lyophilizing stage, the vacuum freezing dryer is controlled to adjustlyophilizing control data or stop working. The moisture content of the ginsengs in the lyophilizing processing process is detected through a near infrared spectrometer, the lyophilizing control data are automatically adjusted according to the detecting result, and not only are energy sources saved, but also the quality of the lyophilized ginsengs can be guaranteed.

The invention discloses an aztreonam / arginine medicament composition suspension injection and a preparation method thereof. The aztreonam / arginine medicament composition suspension injection is characterized by comprising the mixture of aztreonam suspension granules and arginine, wherein the weight ratio of the aztreonam suspension granules (metering in aztreonam) to the arginine is 1:0.66-0.72; specifically, the aztreonam suspension granules comprises the following components in parts by weight: 1 part of aztreonam, 3.5-6 parts of surfactant, 0.05-0.1 part of antioxidant and 4-8 parts of excipients; and in particular, the surfactant contains sodium deoxycholate and povidone with the weight ratio of 2:1. Because the aztreonam suspension granules are prepared by applying an emulsification technique through spray drying and then are mixed with the arginine for split charging, the the problems of poor stability and short validity period of the aztreonam are solved, and a satisfactory technical effect is achieved.

The invention provides a solution preparation for terbutaline sulphate aerosol inhalation and a preparation method of the solution preparation. The solution preparation for terbutaline sulphate aerosol inhalation comprises terbutaline sulphate and / or a hydrate thereof, an osmotic pressure regulator, a pH regulator and a solvent. The solution preparation for terbutaline sulphate aerosol inhalationdisclosed by the invention has the characteristics of being efficient, low in toxicity, good in stability and high in safety degree.

The invention discloses an adjustable fluidized bed coating process and an adjustable fluidized bed coating device, relating to the technical field of large-batch uniform coating production process. The adjustable fluidized bed coating device comprises a shell, an air inlet, an air inlet chamber, an air distribution screen plate, a fluidization chamber, a separation chamber, an air outlet and spray gun. According to the fluidized bed coating process, a coating agent wraps core pill particles, the height of a pulverization area of the spray gun connected with the coating agent is increased along with the increasing of fluidization material level. The device is suitable for industrial large-batch production, and has the advantages of good product quality, high yield, low product cost, stable operation and safety, the handling capacity of each batch is 20 tons / batch.

The invention discloses a method for manufacturing a thin-plate high-load heavy-truck axle housing. The method includes the following steps that a 9.5 mm half-shell is put on line and is subjected toplane milling, groove milling and burr removing for preliminary treatment, and longitudinal seams generated by buckling of two half-shell sets are welded; pipa holes are cut and rounding inspection isperformed; the pipa holes are machined, reinforcement rings are welded, and then leveling is carried out; excess parts at the both ends of the axle housing are removed, alignment is carried out, oiland gas holes are drilled, shaft heads are welded at the both ends of the axle housing, and then straightening is carried out; trimming lathing and flange welding are carried out, and then straightening is carried out; a back cover is welded, and then straightening is carried out; and accessories are welded, then straightening is carried out, the axle housing is cleaned and repaired to go offlineafter the axle housing is qualified, and otherwise corrections are made. The method can realize welding processing of the high-load axle housing with the thickness being 9.5 mm, deformation and stressof the welding process can be controlled, the axle housing bench test is qualified, a truck is safe and reliable, and the purpose of lightweighting the axle housing is achieved.

The invention provides a forming processing method of a PCB with an ultra-long card groove. The method comprises the steps that S1 V-CUT machine-CNC forming processing is carried out; S2 the processing data of an ultra-long plate card groove plate are designed; S3 the ultra-long card groove plate is processed; and S4 the size and quality of the ultra-long plate card groove plate are detected. According to the invention, the method starts with the technological capabilities of products and equipment; through deeper technological development of the technological capabilities of numerical controlmachine tool equipment, a special ultra-long card plate printed circuit board bevel processing process is designed to ensure that products can be fast and safely produced in batch; the product quality is improved; and the technical problems that a manual beveling machine is slow in efficiency, poor in quality, and has serious safety risks and a conventional beveling machine cannot produce ultra-long card plates are solved.

The invention discloses a pseudo-ginseng freeze-drying processing system. The pseudo-ginseng freeze-drying processing system comprises a vacuum freeze drier, a near infrared spectrum detector and a controller, the near infrared spectrum detector is used for acquiring the near infrared spectrum of to-be-processed pseudo-ginseng in the vacuum freeze drier; a control instruction is stored in the controller to control the vacuum freeze drier to work; and the controller further internally stores a moisture quantitative analysis model for different freeze-drying stages of a standard pseudo-ginseng sample, the controller measures the moisture of the near infrared spectrum of the to-be-detected pseudo-ginseng according to the moisture quantitative analysis model for different freeze-drying stages,the controller judges whether the moisture of the to-be-detected pseudo-ginseng reaches the moisture content of the standard pseudo-ginseng sample at the current freeze-drying stage, and if so, thenthe vacuum freeze drier is controlled to regulate the freeze-drying control data or stop working. A near-infrared spectroscopy is used to detect the moisture content of the pseudo-ginseng in the freeze-drying processing process, the freeze-drying control data are automatically regulated according to the detection result, the energy is saved, and the quality of the freeze-dried pseudo-ginseng is also guaranteed.

The invention discloses a dendrobe lyophilization processing system which comprises a vacuum freezing drier, a near infrared spectrum detector and a controller, wherein the near infrared spectrum detector is used for collecting near infrared spectra of to-be-detected dendrobe in the vacuum freezing drier; the controller stores a control command for controlling the vacuum freezing drier to work; the controller also stores water quantitative analysis models of a standard dendrobe sample in different lyophilization stages, measures water of the near infrared spectra of to-be-detected dendrobe according to the water quantitative analysis models in the different lyophilization stages and judges whether water of the to-be-detected dendrobe reaches the water content of the standard dendrobe sample in the current lyophilization stage or not; if so, the controller controls the vacuum freezing drier to adjust the lyophilization control data or controls the vacuum freezing drier to stop working.By detecting the water content of the dendrobe in the lyophilization processing course by means of the near infrared spectroscopy and adjusting the lyophilization control data automatically accordingto the detection result, energy sources are saved, and the quality of lyophilized dendrobe can be also guaranteed.

The invention relates to a flucloxacillin sodium suspension and a new application thereof. The invention provides the flucloxacillin sodium suspension containing 1 part by weight of flucloxacillin sodium, 3-14 parts by weight of surfactant and 2-20 parts by weight of freeze-drying support agent. The invention further discloses the new application of the flucloxacillin sodium suspension in the preparation of drugs for treating pityrosporum folliculitis.

The invention relates to the technical field of medicine, and discloses a suspensoid of sodium carbosulfonate for injection and a preparation method thereof. Composition, the parts by weight of each component are: 1 part of sodium carbosulfonate; 1.5-8.5 parts of a pharmaceutically acceptable biological carrier; 0.1-1.8 parts of a stabilizer; and 2-5 parts of a freeze-drying protective agent. The present invention improves the stability and solubility of the sodium carbosulfonate, and there is no obvious change in various indicators detected after long-term storage, ensuring that the product quality is qualified within the validity period; it can be administered slowly for a long time, and the bioavailability is greatly improved. The pharmaceutically acceptable biological carrier, that is, the protein, is degraded in the body, has no toxicity and no immunogenicity, and can effectively improve the therapeutic index of the drug, reduce the toxicity of the drug and reduce the side effects of the drug.

The invention provides a cefuroxime sodium suspension powder injection. The cefuroxime sodium suspension powder injection comprises the following components by weight part: 1 part of cefuroxime sodium, 2 to 10 parts of surfactant and 3 to 18 parts of lyoprotectants. The cefuroxime sodium suspension powder injection is characterized in that the surfactant is a combination of cholesterol and tween-80 in a weight ratio of 6:1-4:1. The cefuroxime sodium suspension powder injection is prepared unexpectedly by using the emulsification and suspension technologies through specific surfactant after freezing and drying and solves the problem of poor stability of the cefuroxime sodium.

The invention relates to an observation window for a gas hood of a paper machine, comprising an observation window, a gas hood connected with the observation window, and a stainless steel plate, wherein the stainless steel plate is arranged in the observation window, and forms a slope together with the bottom of the observation window. Compared with the prior art, the observation window has the advantages that the operation is convenient, the safety and the reliability are realized, the quality is improved, and the like.

The invention discloses an optimization and control method of a rectification column. In the method, a rectification column is controlled according to a material balance relationship and a component balance relationship by adopting a ratio of light products to heavy products of the rectification column as a main controlled variable; a feedforward compensation strategy aiming at changes of feed components is used; the feed component perturbance inhibition effect of a predictive controller of the rectification column is improved; and a steady-state optimization method based on a piecewise linear model and a dynamic-state feedback qualified optimization method based on a dynamic-state prediction model are used. On the premise that the product quality is guaranteed to be qualified, the optimization of multiple targets of qualified quality of high-value products, highest yield of the high-value products, and lowest comprehensive energy consumption of the rectification column is realized, and the operational comprehensive production benefits of the rectification column are increased.

The invention relates to a flucloxacillin sodium suspension and a new application thereof. The invention provides the flucloxacillin sodium suspension containing 1 part by weight of flucloxacillin sodium, 3-14 parts by weight of surfactant and 2-20 parts by weight of freeze-drying support agent. The invention further discloses the new application of the flucloxacillin sodium suspension in the preparation of drugs for treating pityrosporum folliculitis.