640 results about "Stock solution" patented technology

The invention relates to the field of fiber production and quality prediction, in particular to an intelligent production scheduling and quality prediction method and system for lyocell fibers, and the method comprises the following steps: generating a batching rule table of the lyocell fibers by using a central batching method according to the polymerization degree requirement and batching principle of the lyocell fibers, generating an inventory table in combination with an inventory list of the pulp raw materials; a production plan is made based on the inventory table, so that a stock solution workshop worker prepares the Lyocell fiber pulp porridge according to the production plan; and constructing a relation model of the raw material attributes, the process parameters and the quality of the pulp porridge by using the two-stage quality prediction model to realize quality prediction of the Lyocell fiber pulp porridge. According to the method, intelligent production scheduling of the lyocell fibers can be realized based on a central batching method and inventory data, whole-course tracking from raw materials to swelling products is realized, then the quality prediction of the lyocell fiber pulp porridge is realized by using the two-stage quality prediction model, and the quality prediction effect of the lyocell pulp porridge is improved.

The invention provides a stock solution sub-packaging device and a sub-packaging method.The stock solution sub-packaging device comprises a sub-packaging support, a plurality of trays symmetrically arranged on the two sides of the sub-packaging support, a main pipeline arranged on the sub-packaging support and weighing sensors arranged on the two sides of the bottom of the sub-packaging support; branch pipelines communicated with the liquid separation bag are symmetrically arranged on the two sides of the main pipeline, the main pipeline is communicated with the stock solution storage device, bubble sensors are arranged at the two ends of the main pipeline and used for detecting bubbles in the main pipeline, and stock solution to be subpackaged in the stock solution storage device sequentially passes through the main pipeline and the branch pipelines and then is contained in the liquid separation bag. The weighing sensors are used for obtaining stress changes of the bottoms of the two sides of the subpackaging support, the position of the tray relative to the subpackaging support is fixed, the position of the liquid separation bag relative to the tray is fixed, and the amount of the stock solution subpackaged into the liquid separation bag is calculated through the stress changes; the stock solution split charging device provided by the invention is high in efficiency and good in split charging precision.

The invention relates to the technical field of medicine analysis and detection, and particularly discloses a method for detecting the content of protein in a 3D-MLA adjuvant, which comprises the following steps: (1) preparing a test solution: firstly dissolving the 3D-MLA adjuvant by using a hydrochloric acid solution, performing 300-600W ultrasonic treatment for 2-5min, centrifuging 10000-13000g for 4-7min, and taking supernate; adding a compound enzyme into the supernate for enzymolysis; then adding concentrated hydrochloric acid, uniformly mixing, hydrolyzing for 20 + / -2 hours in a nitrogen atmosphere at 105-115 DEG C, blow-drying, and dissolving with a hydrochloric acid solution to obtain a test sample stock solution; adding a derivatization reagent into the test sample stock solution, and carrying out derivatization treatment, extraction and dilution to obtain a test sample solution; and (2) high performance liquid chromatography determination. According to the detection method provided by the invention, the residual quantity of the host cell protein in the 3D-MLA can be rapidly and accurately determined, and the quality control of the 3D-MLA is realized.

The embodiment of the invention discloses an intelligent linkage automatic control method for fly ash stabilization, and relates to the technical field of solid waste treatment. The method comprises the following steps: step S101, acquiring the content of heavy metals in fly ash detected in real time; step S102, based on the detection data, automatically calculating the ratio of the chelating agent stock solution to the process water / concentrated water through a preset algorithm; s103, controlling a fly ash weighing system, a solution weighing system and a mixing mill system according to the ratio of the chelating agent stock solution to the process water / concentrated water; wherein the step S102 comprises the following steps: determining a dynamic water-cement ratio; solution concentration is automatically switched according to a water source; and calculating the amount of the chelating agent stock solution and the water amount according to mass conservation. According to the embodiment of the invention, through multi-element dynamic proportioning, full-process intelligent linkage, equipment fault self-healing and unqualified product closed-loop treatment, the problems of low stabilization efficiency, agent waste and insufficient reliability in the prior art can be solved.

The invention belongs to the field of analysis and detection, and particularly relates to a method for detecting glycosylglycerol in dairy products. The method is realized by the following steps: firstly, pre-treating a sample; preparing a standard stock solution; and an ion chromatography method is adopted for detection. According to the detection method provided by the invention, the glycosylglycerol in the dairy product can be effectively detected, the matrix effect is greatly reduced, a complicated pretreatment process is not needed, the specificity is high, the detection time is greatly reduced, the repeatability is good, and a technical support and a quality control guarantee are provided for the application of monitoring the glycosylglycerol in the dairy product; according to the detection method provided by the invention, the adsorption of the target component on the ion exchange resin can be reduced, the retention time is shortened, the peak trailing is reduced, and the detection sensitivity is improved.

The invention discloses a wafer cleaning device based on ultrasonic cleaning, and relates to the technical field of wafer cleaning devices. Comprising a cleaning machine outer tank body, a wafer cleaning glass tank, an ultrasonic cleaning tank, an ultrasonic device, a bottom plate, a housing, a cleaning tank rail, a flow dividing water supply device and a bubble removing uniform vibration device, ultrapure water serves as a medium, ultrasonic vibration is effectively conducted to the wafer cleaning glass tank, a strong acid solution in the tank is driven to uniformly vibrate, and efficient cleaning of wafers is achieved. High turbulence pulsation and local shearing stress are formed at the junction of oblique water replenishing and the stock solution, large bubbles are sheared into small bubbles, bubble gathering is prevented, and the liquid purity and the ultrasonic cleaning efficiency are improved. Under the centrifugal separation action of the rotational flow connecting base and the annular rotational flow piece, bubbles in water flow are concentrated in the center position, ultrapure water on the outer side is rapidly discharged, the bubbles are efficiently absorbed after making contact with the hydrophobic porous membrane, and the bubble removing effect is remarkably improved.

The invention belongs to the technical field of iron ion detection, and particularly relates to a rapid detection method for ferric ions in water, which comprises the following steps: a fluorescent probe preparation step: taking trihydrate of copper nitrate and tryptamine, adding into a centrifuge tube in sequence, adding ultrapure water, performing ultrasonic dissolution, transferring into a high-pressure reaction kettle, and performing hydrothermal reaction to obtain a fluorescent probe; cooling to room temperature, centrifuging the obtained yellow green solution in a centrifugal machine, and filtering the supernate through a microfiltration membrane to obtain a copper-doped carbon quantum dot CuCDs stock solution, namely the fluorescent probe; analyzing and determining Fe < 3 + >: taking the diluent of the prepared CuCDs solution, adding the diluent into a centrifugal tube containing a Fe < 3 + > standard solution, uniformly mixing, carrying out fluorescent quantitative analysis and detection, and exploring the change rule of the fluorescence intensity ratio of CuCDs; according to the rapid detection method for Fe < 3 + > provided by the invention, the synthesized CuCDs have high sensitivity, can realize on-site rapid detection of Fe < 3 + > in a water medium, and shows a wide application prospect in the field of environmental monitoring.

The invention discloses a CAD detection method for phosphoric acid and phosphorous acid in an alendronate sodium oral solution, and belongs to the technical field of pharmaceutical analysis. The method comprises the following steps: preparing a reference stock solution and a test solution; then setting high performance liquid chromatography detection conditions; a Shodex VN-504D chromatographic column is adopted, a CAD detector is adopted as a detector, a mixed solution of a mobile phase A and a mobile phase B is adopted as a mobile phase, the mobile phase A is ammonium formate, the mobile phase B is an acetonitrile solution, and gradient elution is performed by adopting the mobile phase; and respectively measuring the reference stock solution and the test solution, injecting into a liquid chromatograph, and recording a chromatogram. A CAD detector is adopted, the detection sensitivity is obviously improved, the quantitative concentration can reach 0.24 mu g / mL, and the detection concentration can reach 0.10 mu g / mL. The method is high in specificity, high in sensitivity, good in durability, rapid, simple, effective and reliable.

The invention relates to the field of plant growth regulators, in particular to a conditioner group for improving the grain quality and the rice quality of direct seeding rice and a preparation and use method thereof.The preparation method of a conditioner in the initial heading stage comprises the following steps that 1, 6-benayl aminopurine is dissolved in a diluted hydrochloric acid solution in a assisted mode, and a 6-benayl aminopurine solution is obtained; step 2, adding choline chloride into the solution obtained in the step 1, stirring to obtain a mixed solution, transferring the mixed solution into a volumetric flask, and adjusting the pH value; 3, abscisic acid powder is dissolved with absolute ethyl alcohol, volume metering is carried out after dissolution to form a stock solution, and then PH adjustment is carried out. Two conditioners are included and sprayed in the initial heading stage and the full heading stage respectively, glumous flower degeneration can be reduced, the photosynthetic production capacity of the upper three leaves after flowering can be improved, assimilation substances are promoted to be transferred to grains, especially the filling state of vulnerable grains is improved, and the yield of the seedlings is increased. Finally, the grain number, the maturing rate, the grain weight and the yield are improved, meanwhile, the head rice rate of rice can be improved, and the protein content is reduced, so that the palatability of rice is improved.

The invention relates to a method for efficiently and selectively extracting vanadium from vanadium shale. According to the technical scheme, the method comprises the steps that vanadium shale is crushed and ground, vanadium shale mineral powder is obtained, a sulfuric acid solution I and the vanadium shale mineral powder are mixed, mixed ore pulp is obtained, a leaching aid is added for pulp mixing, stirring and solid-liquid separation are conducted, and vanadium-containing leaching liquid and leaching residues are obtained; adding sodium sulfite into the vanadium-containing leaching solution, heating and stirring to obtain a reduced solution; adjusting the pH value of the reduced solution, and carrying out solid-liquid separation to obtain an extraction stock solution and neutralization slag; mixing the extraction organic phase and the extraction stock solution, performing countercurrent positive extraction, mixing the obtained loaded organic phase and a stripping agent, and performing countercurrent reverse extraction to obtain a vanadium-rich solution; adding sodium chlorate into the vanadium-rich solution, heating and stirring to obtain an oxidized solution, adjusting the pH value of the oxidized solution, and carrying out hydrothermal reaction and solid-liquid separation to obtain a vanadium precipitation mother solution and a vanadium precipitation intermediate product; and roasting the vanadium precipitation intermediate product to obtain vanadium pentoxide. The method is high in vanadium leaching rate, low in concentration of impurity iron in the extraction solution, short in extraction stage and high in product purity.

The invention discloses an analysis method for determining multiple components of white spirit by high performance liquid chromatography-tandem mass spectrometry, and relates to the technical field of white spirit analysis and detection, and the analysis method comprises the following steps: firstly, preparing an ethyl carbamate precursor substance standard stock solution and a mixed standard intermediate solution, and diluting the mixed standard intermediate solution step by step to obtain a mixed standard working solution; then determining chromatographic and mass spectrometry conditions, wherein BEH Ami chromatographic column is adopted as the chromatographic condition, and 0.1% formic acid water-acetonitrile is adopted as a mobile phase for gradient elution; a mass spectrum condition adopts a multi-reaction monitoring mode under an electrospray positive ion mode; drawing a quantitative calibration curve; finally, preparing a to-be-detected sample for content determination. According to the analysis method for determining the multiple components of the Baijiu through the high performance liquid chromatography-tandem mass spectrometry, through chromatographic condition optimization and mass spectrometry parameter innovation, the detection efficiency is improved, peak area data of urea, citrulline and arginine can be synchronously obtained through single sample injection, the analysis time is short, and quantification is accurate.

The invention belongs to the technical field of teenager depression marker detection, and particularly relates to a teenager depression marker detection kit and a teenager depression marker detection method, the kit comprises an extraction liquid, an internal standard substance, a quality control substance and a mobile phase additive, the internal standard substance comprises a stable isotope labeled metabolic marker, the quality control substance comprises a standard metabolic marker, and the mobile phase additive comprises a mobile phase. The detection method comprises the following steps: S1, dissolving an internal standard substance by using a methanol-containing aqueous solution to prepare an internal standard stock solution; s2, methanol is added into the internal standard stock solution for dilution, uniform mixing is performed, and an extraction working solution is prepared; s3, taking a quality control product / sample, adding an extraction working solution, carrying out oscillation incubation, centrifuging, and taking supernate as a to-be-detected sample; s4, the sample to be detected is detected through a liquid chromatograph-mass spectrometer, various biomarkers related to depression in the body of the teenager can be rapidly and accurately detected, and an objective and reliable basis is provided for early diagnosis and illness state evaluation of the depression of the teenager.

The present invention discloses a method for quantitative determination of trace harmful elements in various flotation products of rare polymetallic ores, which includes three parts: sample processing, preparation of complex matrix standard solution and sample testing. Each flotation product is digested with analytically pure concentrated nitric acid; the main mineral species of each product are determined by XRD, and the high-purity standard substances of each main associated mineral are digested with analytically pure concentrated nitric acid, and the content of harmful elements to be monitored is determined by ICP-MS after appropriate dilution; each standard substance digestion solution is diluted to a major element concentration of 1000μg / mL, and used to dilute the harmful element standard stock solution to obtain standard solutions with different concentration gradients; then the process blank and digestion sample are tested using an inductively coupled plasma mass spectrometer using a combination of internal standard method and matrix matching to obtain the content of trace harmful elements to be measured. It effectively overcomes the mass spectrometry and non-mass spectrometry interference problems faced by complex matrix sample testing, is suitable for the analysis and testing of trace element content in complex samples, and has a simple method and is easy to operate.

Provided in the present invention are a system and method for inhibiting operational corrosion of a condenser. The system comprises a chemical dispensing system. The chemical dispensing system comprises a chemical stock solution tank used for containing a hydrogen peroxide stock solution, a desalted water tank, a chemical dispensing tank in communication with the desalted water tank, and a chemical sample intake system, wherein the upper surface of the chemical dispensing tank is provided with a chemical inlet, and the chemical dispensing tank is provided with a chemical concentration measurement instrument; a chemical pool in communication with the chemical stock solution tank, a cleaning pool in communication with the desalted water tank, and a waste water pool are provided on the upper surface of the chemical dispensing tank; the chemical sample intake system comprises a chemical sample intake device; and the chemical concentration measurement instrument is electrically connected to both the chemical sample intake system and a second control valve for desalted water. In the system for inhibiting operational corrosion of a condenser provided in the present invention, using the chemical sample intake device to achieve micro-dose chemical intake improves the control precision of the amount of a chemical sample and the control precision of chemical concentration; and the chemical sample intake device performs cleaning and chemical rinsing before each instance of chemical acquisition, thereby ensuring the concentration of a chemical conveyed into the chemical dispensing tank, and preventing the introduction of other impurities into the chemical dispensing tank.

The invention relates to a preparation method and application of a human immune globulin preparation stock solution, the preparation method comprises the steps of pretreatment of an initial raw material, ultrafiltration concentration and dialysis, and virus inactivation and filtration, the ultrafiltration concentration and dialysis process is completed under the participation of a dialysis buffer solution composed of a main functional component L-proline, and the human immune globulin preparation stock solution is obtained. The L-proline is used for effectively protecting human immune globulin in the preparation process of the human immune globulin preparation stock solution and the preparation, so that the influence of various unstable factors possibly causing polymerization of the human immune globulin product in the preparation process of the human immune globulin product in the prior art is effectively overcome; therefore, the stability and the quality of the human immune globulin preparation stock solution and the prepared product are effectively improved, and compared with the prior art, the technical scheme provided by the invention is simple, convenient and practical, and can achieve an extremely good technical effect, so that the human immune globulin preparation has outstanding beneficial effects and remarkable progress, and has extremely high popularization and application values.

The invention belongs to the technical field of analysis and detection, and particularly relates to a method for determining cinnamyl glycine in a biological sample based on LC-MS. The method comprises the following steps: mixing the biological sample with an extracting solution, and performing extraction treatment to obtain supernate; evaporating and concentrating, and re-dissolving in an acetonitrile water solution to obtain a solution to be detected; diluting the cinnamyl glycine standard stock solution with a PBS (Phosphate Buffer Solution) to obtain a standard solution with a concentration gradient; mixing the standard substance solution with the extracting solution, performing extraction treatment to obtain a mixed standard solution, and testing the mixed standard solution through LC-MS to obtain a standard curve; and testing the solution to be tested, and obtaining the content of cinnamyl glycine in the solution to be tested according to the standard curve. The method can be used for accurately qualitatively and quantitatively analyzing the cinnamyl glycine in the sample, has the advantages of simplicity in treatment, high flux and reliable result, and is easy to clinically popularize and popularize.

The invention discloses radiopharmaceutical split charging equipment and a split charging method. The equipment comprises an upper shell and a lower shell, a base used for containing a stock solution bottle distribution tank is arranged at the bottom of the lower shell, a cover opening mechanism used for opening a tank cover of the stock solution bottle distribution tank and a needling mechanism used for extracting stock solution in a stock solution bottle are arranged above the base, and a horizontal sliding mechanism is arranged at the bottom of the base. The driving mechanism is used for driving the base to slide to the position under the uncovering mechanism and the needling mechanism. A stock solution extracting needle is fixed to the needling mechanism and used for extracting stock solution in a stock solution bottle and then transferring the stock solution into a liquid medicine diluting bottle in the upper shell, and then split charging is achieved through a liquid medicine split charging and transferring guide pipe in the upper shell. Opening of a stock solution bottle distribution tank and extraction of stock solution in a stock solution bottle can be sequentially achieved in the lower shell through the uncovering mechanism and the needling mechanism, the stock solution distribution tank and the stock solution in the stock solution bottle can be matched with a liquid medicine subpackaging and transferring guide pipe in the upper shell, all-directional protection subpackaging is achieved, the protection effect in the whole process is good, and harm to medical staff is greatly reduced.

The utility model relates to the technical field of freezing crystallization, and discloses a sodium sulfate decahydrate freezing crystallization system which comprises a pre-cooling unit, a first freezing crystallization unit, a second freezing crystallization unit, a solid-liquid separation unit and a freezing unit which are connected in sequence, wherein the pre-cooling unit is used for pre-cooling a stock solution, the first freezing crystallization unit is used for performing primary freezing crystallization on the pre-cooled stock solution, and the second freezing crystallization unit is used for performing secondary freezing crystallization on a raw material discharged by the first freezing crystallization unit; the freezing unit is used for providing freezing liquid for the first freezing crystallization unit and the second freezing crystallization unit, and the solid-liquid separation unit is used for separating a crystal mush mixture discharged by the second freezing crystallization unit so as to prepare crystalline sodium sulfate decahydrate. According to the utility model, the requirement on the feeding concentration is lower, the material fluctuation resistance is high, the control difficulty is small, the salt outlet purity is high, and the crystallization productivity of sodium sulfate decahydrate is increased; the working efficiency of the freezing crystallization system is improved, and energy conservation and emission reduction are greatly realized.

The utility model relates to the technical field of skin repair, and discloses skin repair dressing stock solution mixing equipment which comprises a frame, the top of the frame is fixedly connected with a mixing bin, one side of the mixing bin is provided with a rotating hole, one side of the top of the frame is fixedly connected with a steering gear, and the steering gear is connected with a transmission rod through a spline. According to the skin repair dressing stock solution mixing equipment, through the arrangement of the mixing bin, the steering gear, the rotating shaft, the multi-rod stirrer and the auxiliary stirring rod, when the equipment needs to mix stock solutions to be mixed, a driving motor is started to enable the rotating shaft to rotate; the multi-rod stirrer and the auxiliary stirring rod are driven by the rotation of the rotating shaft to rotate so as to stir and mix the stock solution, so that the equipment can fully mix the stock solution, and the problems that the stirring kinetic energy deviation of the equipment possibly occurs when the equipment is used, the stock solution mixing effect is insufficient and incomplete, and the use effect is poor are effectively avoided.

The utility model relates to a beer filtering device applying a cross-flow filtering technology, which comprises a base, a stock solution tank is fixedly mounted at the top of the base, a storage tank is fixedly mounted at the top of the base, and a filtering mechanism is arranged at the top of the base. According to the beer filtering device applying the cross-flow filtering technology, when beer needs to be filtered, firstly, a controller drives a booster pump outside a first water inlet pipe to be started, at the moment, the beer liquid enters a first filtering tank through the first water inlet pipe, and at the moment, a first filtering membrane group can roughly filter the beer through a porous supporting layer, a transition layer and a separation layer; at the moment, part of the fermented beer liquid flows through the upper end of the first filtering membrane group under the action of flow shearing force, the electromagnetic valve is started, enters the return pipe from the first shunt pipe and returns to the stock solution tank through the return pipe, the rest of the beer liquid enters the second filtering tank through the second water inlet pipe, and the secondarily filtered beer liquid enters the storage tank through the guide pipe, so that filtering is completed.

The invention discloses a method for determining anthracene and phenanthrene oxides and polycyclic aromatic hydrocarbon pollutants in tea leaves, and belongs to the technical field of tea leaf component determination, by using the method, whether a tea leaf sample contains anthraquinone, phenanthrenequinone, multiple polycyclic aromatic hydrocarbons and other pollutants can be accurately determined at the same time, and quantitative analysis can be performed. The method has the characteristics of high detection efficiency, accurate analysis result and good repeatability; comprising the following steps: S1, respectively taking reference substances to prepare reference substance stock solutions with different numbers, taking a blank tea reference substance, and carrying out extraction, magnetic separation, extraction and elution to obtain a blank matrix extracting solution; s2, taking each reference substance stock solution, respectively preparing reference substance solutions with different numbers by using a blank matrix extracting solution, and sequentially putting the reference substance solutions into a gas chromatograph-tandem time-of-flight mass spectrometer for determination to obtain spectrum information of each reference substance; and S3, collecting data information of each reference substance from the map information of each reference substance, and then establishing a comparison database.

The application discloses a kind of north fruit tree spring frost injury freeze protection fluid and its preparation and application method, the freeze protection fluid is by plant growth regulator, saccharide, amino acid component, mineral nutrient component, boric acid and film-forming protective component and water compound, each raw material is mixed uniformly according to defined mass fraction ratio. When using, stock solution dilution 300-700 times, 24-72h before frost, it is suitable for cherry, apple, pear, apricot and other north fruit tree flowering freeze protection. The application has multiple effects of freeze protection, membrane stabilization, repair and nutrient supplementation, can maximize protect cell integrity and reduce irreversible necrosis at low temperature. Even if suffering from low temperature freeze injury, the flower organ is less damaged after spraying the freeze protection fluid, and recovers quickly.

The invention relates to the technical field of baijiu production, in particular to a process for brewing tricholoma matsutake baijiu with distilled water, which comprises the following steps: firstly, selecting raw materials for pretreatment, using distilled water in the whole process, fermenting according to the flavor type requirement, distilling to obtain a stock solution, blending and ageing, and finally filling and packaging to obtain a finished product, and each link ensures the quality and flavor. By controlling the chloride ion concentration and the ferrous ion concentration in the solution, chlorides in the molten salt slag are completely contained in waste acid, insoluble substances are almost non-toxic and can be directly stacked, the distilled water white spirit brewing process can improve the purity of the white spirit, reduce impurities and peculiar smell, ensure stable quality, show fine and mellow taste and meet the hygienic standard, and the distilled water white spirit brewing process is suitable for large-scale popularization and application. The microbial pollution risk is reduced, the health is guaranteed, the requirements of different aroma types can be met, respective styles and characteristics are highlighted, the brand image can be enhanced, the storage life of the white spirit is prolonged, consumers are more relieved and satisfied, and products with higher quality are brought to the white spirit industry.

The present invention addresses the problem of providing a water production apparatus which is capable of efficiently and accurately producing target water that contains an additive such as a mineral component.　A water production apparatus 1 comprises: an additive starting material storage tank 51 for storing an additive starting material for preparing an additive on the basis of specification information on specific target water; an additive stock solution storage tank 53 for storing an additive stock solution that is obtained by dissolving the additive starting material into raw water; an additive stock solution preparation information generation unit 32 for generating additive stock solution preparation information for preparing the additive stock solution by dissolving (mixing) the additive starting material in the raw water on the basis of the specification information; and an additive stock solution preparation unit 33 for dissolving the additive starting material stored in the additive starting material storage tank 51 into the raw water on the basis of the additive stock solution preparation information so as to prepare the additive stock solution and storing the additive stock solution in the additive stock solution storage tank 53.

The utility model relates to an advanced treatment device for urea dust recovery liquid. Comprising a stock solution tank, the stock solution tank is connected with a multi-stage filtering unit through a high-pressure pump, a clear liquid outlet of the multi-stage filtering unit is connected with a urea production system, and a concentrated liquid outlet of the multi-stage filtering unit is connected with a sewage treatment system; the method has the characteristics that resources can be recycled, and the treatment load of a sewage treatment system can be reduced.

The invention discloses a potassium permanganate solution batching system, a use method thereof and a system controller, and belongs to the technical field of jeans production equipment. The batching system comprises a stock solution preparation module, a formula batching module and a monkey wash module. The stock solution preparation module comprises a stock solution preparation tank and a stock solution tank; the stock solution preparation tank is used for preparing a potassium permanganate solution with a preset concentration and discharging and storing the potassium permanganate solution into the stock solution tank; the formula batching module comprises a formula premixing tank and a liquid outlet pipeline, the formula premixing tank is connected with the stock solution tank and the liquid outlet pipeline, and the formula premixing tank is used for diluting the solution and discharging the diluted solution through the liquid outlet pipeline. And the monkey wash module comprises a monkey wash premixing tank and a monkey wash liquid storage tank which are connected in sequence. And the monkey wash premixing tank is used for diluting the potassium permanganate solution in the stock solution tank and conveying the diluted potassium permanganate solution to the monkey wash solution storage tank. According to the potassium permanganate solution batching system disclosed by the invention, a stock solution with stable concentration and uniform property is prepared by accurately controlling the proportion of raw materials, so that the accuracy of a subsequent diluent and a gradient concentration solution is ensured from the source.

The invention relates to the technical field of temperature control based on a specific process, and discloses a temperature control method and system based on a snail stock solution separation process, and the method comprises the steps: monitoring the temperature data of each key device in the snail stock solution separation process in real time, and carrying out the preprocessing and feature extraction; a temperature control instruction is generated through a PID control algorithm and is adjusted by the PLC, the operation state of the system is monitored in real time, fault alarm is carried out, the operation process of the system is recorded, and a report record is generated and visually displayed. Through multi-dimensional temperature monitoring, a complete system architecture, a customized solution and visual display, the precision and efficiency of temperature control are remarkably improved, the stability of a snail stock solution separation process and the product quality are ensured, and an efficient and reliable temperature control technical scheme is provided for related industries.

The utility model relates to the technical field of vinegar production, and discloses a stock solution clarification device for vinegar production, which comprises a clarification tank, a material collecting box is arranged at the top of the clarification tank, a rotating shaft is rotatably connected between the front surface and the back surface of the inner wall of the material collecting box, and a plurality of partition plates are fixedly connected to the outer surface of the rotating shaft. And the two ends of the rotating shaft rotationally penetrate through the material collecting box. After the motor II is started to drive the rotating shaft, the plurality of partition plates and the two cams to rotate, granulated sugar added into the material collecting box can be vibrated and is prevented from being adhered to the inner wall of the material collecting box, and intermittent blanking is performed after the granulated sugar is uniformly distributed into the material collecting box, so that the granulated sugar can be uniformly added into the clarification tank; the subsequent stirring and mixing efficiency is improved, and meanwhile, the problems that part of granulated sugar is wasted, the quality of vinegar after being subsequently fused with the granulated sugar is reduced and the working environment is polluted due to the fact that the vinegar is easy to fly to the outside of the clarification tank in a manner of uniformly blanking by beating are avoided.

The utility model relates to an enzymic preparation stock solution screening and filtering mechanism, which belongs to the technical field of enzymic preparation stock solution screening and filtering and comprises a box body, the top of the box body is of an opening structure, the inner bottom wall of the box body is in an inward inclined state, and a fixing plate is fixedly mounted on the inner wall of the box body. A water outlet is annularly formed in the surface of the fixing plate, a filter screen is fixedly mounted on the inner wall of the water outlet, a cleaning assembly for cleaning the surface of the filter screen is arranged in the box body, and the cleaning assembly comprises a driving part arranged on the lower surface of the box body. According to the enzyme preparation stock solution screening and filtering mechanism, by arranging the cleaning assembly, a scraping plate can scrape impurities accumulated on the surface of the filtering net, so that the impurities are in a flowing state above the filtering net, the impurities are difficult to accumulate on the surface of the filtering net for a long time, and the problems that the impurities are easy to accumulate on the surface of the filtering net and the filtering effect is poor are solved. And therefore, the practicability of the filter screen disclosed by the utility model is improved.