56results about How to "Guide production well" patented technology

The fault diagnosis system includes on site intelligent instrument connected to objects of industrial process, DCS system, and upper device. The DCS system is composed of data interface, control station, and database. The intelligent instrument is connected to DCS system, and upper device. The upper device includes the standardization process module, functional module of pivot element analysis, functional module for supporting classifier of vector machine, failure predication module, signal acquisition module, module for determining data to be diagnosed, and fault diagnosis module. The invention also discloses a fault diagnosis method. The invention discloses fault diagnosis system and method capable of well treating measured non-linear data obtained from small sample with high capability of generalizing model, as well as capable of obtaining good diagnosis result under condition of small sample in industrial process.

A fault diagnosis system of melt index detection in propylene polymerization producing process includes the scene Intelligent Instrumentation, DCS systems, and PC connected with the propylene polymerization production, and the DCS system consists of a data interface, a control station and a database. The Intelligent Instrumentation, DCS system and PC are connected with each other in order, and the PC includes a standardized processing module, independent component analysis module, support vector machine classifier function module, signal acquisition module, diagnostic data to be identified module and fault diagnosis module. It also proposes a method of fault diagnosis.

An industrial production process diagnostic system based on small wave analysis comprises industrial process object connected on site intelligent meter, DCS system and its upper position control machine with the DCS system made of data interface, control station, data base, the intelligent meter, DCS system and the upper position control machine connected sequentially, with the said upper position control machine composed of standardized handling module, small wave dissolving module, pivot element analysis function module, small wave restructuring module, support vector machine classifier module and diagnostic judging module. It also puts forward a failure diagnostic method. It provides an industrial production process failure diagnostic system and method with good diagnostic effect based on small wave analysis.

This invention relate to one Poly Propylene melt index flexible measurement meter based on blind source signals, which comprises poly propylene process subject connection spot intelligent meter, data memory device and upper machine to store historical data, intelligent meter, data memory device and upper machine, wherein, the upper machine is for flexible intelligent processor composed of standard process module, blind source signal analysis module, supportive vector machine establish module, signal collection module and flexible module. This invention provides one flexible measure method.

A propylene polymerization production data detection and failure diagnosis system, consists of the field intelligent instruments connected with the propylene polymerization production process, DCS system and host, the DCS system has the data interface, control station, and database; the intelligent instruments, DCS system, and host are interconnected in turn, the host has the standardized processing module, main element analyzing module, residual error analyzing module, signal collecting module, diagnostic data specifying module and troubleshooting module. And the invention provides a failure diagnosis method. The invention provides a propylene polymerization production data detection and failure diagnosis system and method for on-line measuring of fuse index, obtaining the excellent diagnosis effect, and effective reducing of the error rate.

The invention provides a preparation method of particles in the formula of salvia miltiorrhiza bunge and a quality detection method thereof. The preparation method comprises the following steps: grinding the salvia miltiorrhiza bunge and extracting by two steps; firstly, adding alcohol, heating, extracting, spraying, drying and collecting powdered extract; secondly, adding water, heating, extracting, spraying, drying and collecting powdered extract; wherein the powdered extracts obtained by the two steps are added with auxiliary materials; and then adding proper water, granulating and drying to obtain a product. The method is simple, is low in cost and is suitable for industrial production. The detection method comprises part or whole items of characters, inspection, identification and content measurement, wherein the identification is carried out on the salvia miltiorrhiza bunge by using contrast drugs of the salvia miltiorrhiza bunge, and the content measurement is the content measurement of tanshinone IIA and / or content measurement of salvianolic acid B. The adopted identification is simple in method and strong in specificity; the content measurement is simple in method, high in accuracy and good in repeatability, and provides detection indexes, detection means and technical method and the like for production units and detection organizations, so that the production can be better guided, and the control of the production technique is more strict and reasonable. In the production process of products, the quality detection method can effectively control the quality of the products, thus ensuring clinical effects and safety of the particles in the formula of the salvia miltiorrhiza bunge.

The present invention relates to an industrial polypropylene production melt index detection fault diagnosis system. Said system includes field intelligent instrument connected with industrial process object, DCS system and upper-position machine. The described DCS system is composed of data interface, control station and data base; the intelligent instrument, DCS system and upper-position machine are successively connected, and the described upper-position machine includes standardization processing module, wavelet decomposition module, pivot analysis function module, wavelet reconstruction function module, support vector machine classifier function module and fault judgement module. Besides, said invention also provides a fault diagnosis method.

The invention discloses a characterization method of the sintering degree of rutile titanium dioxide particles. The characterization method is to measur the specific area of a rutile titanium dioxide sample to obtain the particle sintering degree through analyzing the measured specific area value, if the specific area value is small, the particle sintering of titanium dioxide is severe; if the specific area value is large, the particle sintering of titanium dioxide is mild or none. According to the invention, the specific area value of the rutile titanium dioxide particles is measured and obtained through a specific area tester and the particle sintering degree is obtained and characterized through analyzing the measured data; the characterization method is scientific, reasonable, simple, practical and strong in operability; a method for quantitatively measure the particle sintering degree of titanium dioxide is provided initially in the industry and the production of titanium white powder can be relatively well guided.

The invention provides adenophora radix ophiopogonis soup formula granules as well as a preparation method and a detection method thereof. The granules comprises the raw materials as follows: radix glehniae, radix polygonati officinalis, radix ophiopogonis, radices trichosanthis, hyacinth beans, mulberry leaves and raw liquorice in the mass ratio of (0.5-2):(0.5-2):(0.5-2):(1-3):(0.5-2):(0.1-1.2):(0.1-1), and the raw materials are respectively immersed for multiple times, boiled and filtered, so as to obtain cream after filter liquors are mixed and concentrated, and the cream is dried to be prepared into granules. The detection method comprises the following steps of: identifying the adenophora ophiopogonis soup formula granules through a using thin-layer chromatography; measuring the content of organic chloride pesticide residue in the adenophora ophiopogonis soup formula granules through using a pesticide residue measuring method; measuring the content of heavy metal in the adenophora ophiopogonis soup formula granules through using a residue on ignition examination method; measuring the content of extractum of the adenophora ophiopogonis soup formula granules through using a hot dipping method; and measuring the content of substances in the adenophora ophiopogonis soup formula granules through a using high-efficiency liquid chromatography.

The invention provides Yinchengao Decoction formula particles, and a preparation method and detection method thereof. The preparation method comprises the following steps: extracting Yinchengao, gardenia and rhubarb with water, filtering, concentrating and carrying out spray drying to obtain the Yinchengao Decoction formula particles. The detection method of the Yinchengao Decoction formula particles comprises the following steps: identifying the Yinchengao Decoction formula particles by thin-layer chromatography; determining the fingerprint of the Yinchengao Decoction formula particles by high-performance liquid chromatography; determining the substance content in the Yinchengao Decoction formula particles by high-performance liquid chromatography; determining the extract content in the Yinchengao Decoction formula particles by a hot dipping method; determining the heavy metal content in the Yinchengao Decoction formula particles by a residue ignition inspection method; and determining the residue content of organo-chlorine pesticide in the Yinchengao Decoction formula particles by a pesticide residue determination method.

This invention discloses one interval gas analysis method, which comprises the following steps: a, closing second valve fixed on first one and opening first one connected to the high pressure device with the gas inside filled with first and second valves capacitor as sample; b, closing first valve and opening second valve with first storage through second valve downstream; c, releasing the sample gas through second valve; d, analyzing released sample gas to get sample parameters. This invention also discloses one device to exert above method.

The invention discloses a detection method for the softness of steel wires. The detection method comprises the following steps that (1) a steel wire sample to be detected is circled into a certain circle diameter according a standard sample circle, and a sewing head is fixed on a detection plate with a dial; (2) a gravity source with certain weight is suspended at the lowest point of the steel wire sample to be detected, so that the steel wire sample to be detected is naturally drawn, the elongation delta h of the steel wire sample is recorded, and M is the mass of the suspended gravity source; and (3) the value of the softness is calculated according to a formula R=delta h / M, wherein R is the softness. The detection method disclosed by the invention has the advantages that the operation is simple and fast, the used equipment is simple, the detection cost is low, the softness of the steel wire can be rapidly and effectively reflected on a production site in a direct manner, so that whether the processability of the steel wire for a steel cord meets the requirement or not can be rapidly and comprehensively detected out; and the detection device is simple and is convenient in use, so that the production can be better guided and the defective rate in production can be reduced.

The invention provides a stomach-regulating qi-coordinating decoction formula granule, and a preparation method and a detection method thereof. The stomach-regulating qi-coordinating decoction formula granule is prepared from 2 parts of rheum officinale and 1 part of liquorice by the processes of adding water to decoct, adding 1.5 parts of mirabilite to dissolve after merging the filtrate, drying and pelletizing. The detection method comprises the following steps of identifying the stomach-regulating qi-coordinating decoction formula granule by thin layer chromatography; measuring the heavy metal content in the stomach-regulating qi-coordinating decoction formula granule by an ignition residue detection method; measuring the residue of organo-chlorine pesticide in the stomach-regulating qi-coordinating decoction formula granule by a pesticide residue determination method; measuring a finger-print of the stomach-regulating qi-coordinating decoction formula granule through high performance liquid chromatography; measuring the content of extractum of the stomach-regulating qi-coordinating decoction formula granule by a hot dipping process; and measuring the content of substances in the stomach-regulating qi-coordinating decoction formula granule by high performance liquid chromatography. The preparation method provided by the invention is simple; and the quality of the formula granule can be effectively controlled by the detection method.

The invention discloses a detecting method of a rehmannia-leaf total-glycoside capsule, which comprises character, inspection, identification and content measurement items; and the identification is the component identification for rehmannia-leaf total glycoside and acteoside contained in the capsule, and the content measurement is a method for measuring the contents of the rehmannia-leaf total glycoside and the acteoside contained in the capsule. Aiming at no scientific and reasonable quality control detecting method for effectively controlling the product quality for the rehmannia-leaf total-glycoside capsule at present, on the basis of fully researching the rehmannia-leaf total glycoside of rehmannia-leaf extracts, the acteoside is determined as a detected component and a concrete and feasible component identification and content measurement method is established by combining with the preparation process of a medicament, and the adopted identification method has the advantages of strong specificity, high content measurement accuracy and good repeatability, thereby establishing the quality control standard of a rehmannia-leaf total-glycoside capsule preparation to effectively control the quality of the rehmannia-leaf total-glycoside capsule and ensuring the clinical curative effect and the safety of the medicament.

The invention provides a daochi powder formula granule. The daochi powder formula granule consists of co-decoction extracts of dried rehamnnia root, raw liquorice, caulis akebiae and bamboo leaves. The invention further provides a preparation method, a use and a detection method of the daochi powder formula granule. The daochi powder formula granule disclosed by the invention keeps all characteristics of the daochi powder, has active ingredients, nature and flavor, channel tropism, major functions and effect which are consistent with those of conventional daochi powder, and also has a plurality of advantages of less dosage, quick effect, complete components, accurate curative effect and the like, does not need decoction, can be directly taken, and is safe and sanitary and convenient to carry and store. The preparation method of the daochi powder formula granule is simple, low in cost and suitable for industrial production. The identification method adopted by the detection method of the daochi powder formula granule has strong specificity, high content measurement accuracy, good repeatability, and the detection method can be used for effectively controlling the quality of the product during a product production process, so that the clinical effect and the safety of the daochi powder formula granule are ensured.

The invention discloses a reactor kettle of a B3D (1,4-butynediol) reaction catalyst evaluating experiment device. The reaction kettle comprises a jacket cylinder body, a reaction kettle cylinder body, a stirring paddle, an upper sealing head, a stirring motor and a built-in filter, wherein a jacket is formed between the jacket cylinder body and the reactor kettle cylinder body, the upper sealing head is arranged at the tops of the jacket cylinder body and the reactor kettle cylinder body, the stirring paddle is arranged inside the reaction kettle cylinder body, the top end of the stirring paddle penetrates through the middle of the upper sealing head and is connected with the stirring motor, and the built-in filter is arranged inside the reaction kettle cylinder body and is connected with a solution extraction pipe penetrating through the upper sealing head. According to the reactor kettle of the B3D reaction catalyst evaluating experiment device, disclosed by the invention, by adopting the built-in filter, continuous reaction in the reaction kettle is realized. The operation of the experiment device is consistent with that of a production device as much as possible, a production and optimization process is well guided, and the long-period stable operation of the experiment device is realized.

The invention provides a method for rapidly determining the content of a flame retardant in inorganic flame-retardant cellulose fibers. The content of the flame retardant in the inorganic flame-retardant cellulose fibers is rapidly determined by adopting a low-field pulse nuclear magnetic resonance method. The rapid determination method established on the basis of the low-field pulse nuclear magnetic resonance technology has the advantages of simplicity in operation, short test time, high precision, good stability and accurate and reliable measurement result, the quantity of samples required by the test is small, the morphological structure of the samples cannot be damaged in the test process, the samples can be recycled, and resources are saved; the determination method disclosed by the invention is rapid, accurate and good in reproducibility, can be used for simultaneously determining the moisture content and the flame retardant content of an unknown flame-retardant fiber sample at one time, has good conformity between detection data and data obtained by a conventional laboratory determination method, can meet the requirement of rapid analysis and detection of the flame retardant content of a flame-retardant cellulose fiber product, and has good practicability.

The invention relates to a quality control method of a potassium chloride and sodium chloride injection. The quality control method comprises the following steps: determining the content, detecting properties, identifying and detecting. The content determination step comprises the determination of the total chlorinity, the potassium chloride content and the sodium chloride content; the detecting step comprises the detection of pH values, heavy metals, arsenic salts, insoluble particles, osmotic pressure ratios, bacterial endotoxin and sterility. The quality control method provides detection indexes, detection means, technical methods and the like for related production and detection mechanisms so as to control the quality of products, ensure the safety of medicines, better guide production and enable the production process control to be strict and reasonable.

The invention provides a quality event trigger determining method for a continuous casting machine. The method comprises the following steps of: acquiring a value of a process parameter influencing quality of a casting body; calculating a value of a trigger expression according to the trigger expression and the value of the process parameter which are contained in a characteristic set for describing a pre-established quality event object, wherein the quality event object is defined on the basis of the process parameter, and the trigger expression is a function of the process parameter; and determining whether a quality event corresponding to the quality event object is triggered according to the value of the trigger expression and the preset trigger time; and if the value of the trigger expression is more than or equal to a preset threshold value, and the value of the trigger expression is more than or equal to duration of the preset threshold value and is more than or equal to the trigger time, determining that the quality event corresponding to the quality event object is triggered.

The invention provides a method for detecting ferric ions in an ore pulp electrolyte sample. The method comprises the following steps: under the complexing action of mixed acid, performing titrating by using a ceric sulfate solution, oxidizing Fe2+ into Fe3+ by using sodium diphenylaminesulfonate as an indicator, and measuring the content of Fe2+; adding a stannous chloride solution into a hydrochloric acid medium, reducing Fe3+ into Fe2+, oxidizing excessive stannous chloride by using a mercuric chloride solution, performing titrating by using the cerous sulfate solution, oxidizing Fe2+ intoFe3+ by using cerous sulfate by using sodium diphenylaminesulfonate as an indicator, and measuring the content of total iron; and subtracting the content of Fe2+ from the content of total iron to obtain the content of Fe3+. According to the method, the content of ferric ions in the solution can be accurately determined, and a certain amount of antimony and copper do not influence the determinationof iron.

The invention discloses a method for measuring the component proportion of an ammonium nitrate fuel oil mixture by virtue of the saturation oil absorption rate of a raw material. The method comprisesthe following steps: (1) weighing porous ammonium nitrate particles with mass M, soaking the porous ammonium nitrate particles into diesel oil so as to reach a saturation state, carrying out suction filtration and weighing, so as to obtain mass M1 of the porous ammonium nitrate particles after oil absorption, wherein the saturation oil absorption rate phi of the porous ammonium nitrate particles is equal to (M1-M) / M*100%; (2) weighing an ammonium nitrate fuel oil mixture sample with mass M3, soaking the ammonium nitrate fuel oil mixture sample into diesel oil so as to reach a saturation state,carrying out suction filtration and weighing, so as to obtain mass M4 of the ammonium nitrate fuel oil mixture sample after oil absorption, wherein the porous ammonium nitrate particles used in the ammonium nitrate fuel oil mixture sample and the porous ammonium nitrate particles in the step (1) are the same batch; and (3) calculating according to a formula M2={(phi+1)M3-M4} / (phi+1), wherein theproportion w of the diesel oil in the ammonium nitrate fuel oil mixture sample is equal to M2 / M3*100%. According to the method for measuring the component proportion of the ammonium nitrate fuel oil mixture in a short time, the quality of the ammonium nitrate fuel oil mixture is guaranteed, the power capability of the ammonium nitrate fuel oil mixture is improved, and the explosion effect is improved.

The invention provides a stomach-regulating qi-coordinating decoction formula granule, and a preparation method and a detection method thereof. The stomach-regulating qi-coordinating decoction formula granule is prepared from 2 parts of rheum officinale and 1 part of liquorice by the processes of adding water to decoct, adding 1.5 parts of mirabilite to dissolve after merging the filtrate, drying and pelletizing. The detection method comprises the following steps of identifying the stomach-regulating qi-coordinating decoction formula granule by thin layer chromatography; measuring the heavy metal content in the stomach-regulating qi-coordinating decoction formula granule by an ignition residue detection method; measuring the residue of organo-chlorine pesticide in the stomach-regulating qi-coordinating decoction formula granule by a pesticide residue determination method; measuring a finger-print of the stomach-regulating qi-coordinating decoction formula granule through high performance liquid chromatography; measuring the content of extractum of the stomach-regulating qi-coordinating decoction formula granule by a hot dipping process; and measuring the content of substances in the stomach-regulating qi-coordinating decoction formula granule by high performance liquid chromatography. The preparation method provided by the invention is simple; and the quality of the formula granule can be effectively controlled by the detection method.

The invention provides adenophora radix ophiopogonis soup formula granules as well as a preparation method and a detection method thereof. The granules comprises the raw materials as follows: radix glehniae, radix polygonati officinalis, radix ophiopogonis, radices trichosanthis, hyacinth beans, mulberry leaves and raw liquorice in the mass ratio of (0.5-2):(0.5-2):(0.5-2):(1-3):(0.5-2):(0.1-1.2):(0.1-1), and the raw materials are respectively immersed for multiple times, boiled and filtered, so as to obtain cream after filter liquors are mixed and concentrated, and the cream is dried to be prepared into granules. The detection method comprises the following steps of: identifying the adenophora ophiopogonis soup formula granules through a using thin-layer chromatography; measuring the content of organic chloride pesticide residue in the adenophora ophiopogonis soup formula granules through using a pesticide residue measuring method; measuring the content of heavy metal in the adenophora ophiopogonis soup formula granules through using a residue on ignition examination method; measuring the content of extractum of the adenophora ophiopogonis soup formula granules through using a hot dipping method; and measuring the content of substances in the adenophora ophiopogonis soup formula granules through a using high-efficiency liquid chromatography.

The invention discloses a dissolving zone nitrate water automatic blending system, belongs to the technical field of dissolving zone nitrate water blending, aims to provide the dissolving zone nitrate water automatic blending system, and solves the problems of low dissolving zone nitrate water blending automation degree and low dissolving zone nitrate water blending efficiency in the prior art. The system comprises a water injection pipeline communicated with a water inlet of a dissolving area, an electric switch valve is installed on the water injection pipeline, a flow switch is further installed at an emptying port of the dissolving area, a water discharging port of the dissolving area is further communicated with a water discharging pipeline, and an electromagnetic flowmeter, an electric adjusting valve, an online concentration meter and a PLC control system are sequentially installed on the water discharging pipeline. The electric switch valve, the flow switch, the electromagnetic flowmeter, the electric regulating valve and the online concentration meter are all in signal connection with the PLC control system. The dissolving zone nitrate water automatic blending system is suitable for the automatic blending system of the dissolved zone nitrate water.

The invention discloses a fingerprint spectrum construction method and application of a fructus evodiae and asarum preparation. The method is established by adopting a high performance liquid chromatography. The chromatographic conditions are as follows: octadecylsilane chemically bonded silica is used as a filler, acetonitrile is used as a mobile phase A, a phosphoric acid aqueous solution with the mass concentration of 0.02% is used as a mobile phase B, gradient elution is performed, the flow rate is 1.0 ml.min<-1>, the column temperature is 35 DEG C, and the detection wavelength is 215 nm. The method is easy and convenient to operate, high in stability and good in reproducibility, the obtained spectrum has multiple characteristic peaks, the quality of the fructus evodiae and asarum preparation of the product can be comprehensively evaluated by comparing the characteristic spectrum with the characteristic peaks, the product quality can be stabilized, and the safety and effectiveness of clinical medication are ensured.

The invention relates to a collagen fiber quality judgment method, and belongs to the technical field of collagen detection. The method comprises the following steps of: (1) taking treated and extracted collagen fibers, performing mixing and kneading, carrying out moisture detection, then conducting calculating according to a moisture detection result, supplementing ice water into a collagen fibercluster, and uniformly mixing and kneading the substances; (2) carrying out centrifugal treatment on the collagen fiber cluster; taking out the product and measuring moisture at the upper end and thelower end, and if moisture has no difference, indicating that the fiber water absorption capacity is strong; if the lower moisture is higher than the upper moisture, indicating that the water absorption capacity is weak; and (3) detecting the surface viscosity of the collagen fiber cluster: detecting the surface viscosity of the fiber cluster, and under the condition of the same moisture, the smaller the viscosity is, the better the moisture is bound by the fibers, and the better the opening degree of the collagen fiber bundle is; if collagen fibers are damaged, the water absorption capacitybecomes poor, and the surface viscosity is high. The method is scientific, reasonable, easy and convenient to operate and low in cost, and can better guide production by rapidly judging the quality ofthe collagen fibers.