9results about How to "Improve dose accuracy" patented technology

The invention discloses a chemical adding control system for sewage treatment, which comprises a data acquisition module used for acquiring sewage inlet water quality data and inlet water flow, water quality data of each sewage treatment process and discharge water quality data in real time; the data acquisition module is used for acquiring dosing data and detection data; the data preprocessing module is used for assigning the partial water quality data Em based on a preset judgment threshold value; the dosing prediction module is used for inputting the real-time data into the self-attention dosing prediction model and outputting to obtain a next dosing strategy; the self-attention dosing prediction model corrects the attention score matrix based on the chemical reaction relation matrix E; and the dosing control module is used for dosing according to the output dosing strategy. The method can adapt to sewage component and concentration changes, and the dosing strategy of each process of sewage treatment is accurately predicted and obtained.

The invention relates to a dosing control method for coal slime flotation, belongs to the technical field of coal separation and processing, and solves the problem of poor control precision of a coal slime flotation dosing flow control method in the prior art. The dosing control method comprises the following steps: S1, determining an initial medicament flow rate pumped into a medicament storage box, so that the height of a medicament in the medicament storage box reaches a target height; s2, the initial needle valve opening degree corresponding to each flotation cell is determined, chemical adding is started, and the actual chemical flow of each flotation cell in the chemical adding process is obtained; s3, the needle valve opening degree of each flotation cell is adjusted, so that the actual reagent flow and the preset reagent flow of each flotation cell meet the flow error threshold value; s4, the actual height of the medicament in the medicament storage box in the dosing process is obtained, and the flow of the medicament pumped into the medicament storage box is adjusted by combining the target height, so that the height of the medicament in the medicament storage box is stabilized at the target height. Accurate control over the dosing flow of a plurality of flotation cells in the dosing process is achieved.

The application discloses an intelligent monitoring infusion pump, and particularly relates to the technical field of infusion pumps, which comprises a connecting cylinder, a flow guide monitoring assembly is arranged on the connecting cylinder, the flow guide monitoring assembly comprises a gathering ring embedded in the connecting cylinder, a center block is arranged in the middle of the gathering ring, a baffle is arranged at the bottom of the center block, and a storage cavity is formed between the center block and the baffle. The application can realize manual fine adjustment of the flow of the liquid medicine, rapidly block the air path when the liquid level is abnormal or emergency liquid stopping is needed, realize automatic emergency adjustment of pressure and flow, solve the problem that the prior art can only detect pressure but cannot quickly adjust, meanwhile, the storage cavity formed by the center block and the baffle can temporarily store the liquid medicine, so that the bubbles rise and escape under the action of buoyancy, the bubbles are prevented from entering the blood vessels of a patient along with the liquid medicine, and the defect that bubbles are difficult to eliminate in the prior art is solved.

The invention relates to the technical field of water treatment, discloses an intelligent flocculant adding method and system based on water quality dynamic data, and aims to solve the technical problems that an existing adding mode is extensive, lagged in control and difficult to adapt to dynamic water quality fluctuation. The method comprises the following steps: collecting turbidity and flow data of a water inlet end; carrying out feedforward prediction by utilizing a long-short-term memory network model, calculating a theoretical dosage and driving a metering pump to execute; and the effluent turbidity is monitored in real time, and feedback correction is performed by using a PID algorithm. The system comprises an online monitoring unit, an intelligent control unit, a precise adding execution unit and an effect feedback unit. Through composite control of feedforward prediction and feedback correction, advanced and accurate addition of the flocculant is realized, the drug consumption cost is reduced, the impact load is effectively dealt with, and the stability of the effluent quality and the intelligentization of system operation and maintenance are ensured.

The utility model discloses a kind of powder automatic feeding device, specifically related to industrial powder material automation processing technical field, including hoisting system, the hoisting system one side is provided with unpacking system, the unpacking system one side is provided with conveying metering system, the conveying metering system one side is provided with feeding system;The hoisting system includes load-bearing frame.The utility model is equipped with hoisting system, unpacking system, conveying metering system and feeding system, so that the utility model can realize zero dust leakage, realize by fully-enclosed unpacking and cloth bag plus pulse double dust removal, improve feeding precision, realize by metering and weighing device and control cabinet closed-loop control, error≤2%, increase equipment compatibility, adjustable hoisting support 12 and double-edge cutter 22 support 50-1000kg bag type seamless switching, with anti-blocking broken arch design, realize by bunker broken arch vibrator operation, so that the practical use effect of the utility model is good.

An automatic calibration device for a peristaltic pump in an automatic acid dispensing apparatus includes a reagent station equipped with a weighing sensor and a temperature sensor, the weighing sensor supporting a reagent bottle; a test tube rack holding test tubes to be dispensed; a robotic arm positioned above one side of the test tube rack; a waste liquid tank positioned below one side of the robotic arm; and a peristaltic pump, the inlet of which is connected to the reagent bottle, and the outlet of which is installed at the moving end of the robotic arm. This invention, by using a weighing sensor to weigh the reagent bottle and a temperature sensor to detect the temperature of the reagent's environment, can accurately calculate the volume corresponding to the mass of liquid extracted from the reagent bottle. It can calibrate the pumping parameters of the peristaltic pump, improving dispensing accuracy, saving reagents, reducing labor costs, and detecting equipment malfunctions early.

The present application relates to a kind of tetrahydroxy bile acid pharmaceutical composition and its preparation method and application.The present application provides a kind of pharmaceutical composition, it includes 100 weight parts of compound shown in formula I and 300~900 weight parts of saccharide.The present application also provides the use of the pharmaceutical composition in the preparation of drug for treating PFIC.The pharmaceutical composition of the present application can improve dose accuracy, solve the problem of poor taste of bile acid compound, easy to swallow, can improve the compliance of children drug.The pharmaceutical composition of the present application has good stability, easy to transport and store.In addition, the pharmaceutical composition of the present application realizes the stability of treatment effect under different doses, easy to accurately dose children according to body weight, while having good bioavailability, can realize good absorption and utilization in vivo.

The invention relates to a coagulant accurate adding system based on multi-source perception and AI-digital twinborn fusion, and relates to the technical field of intelligent control, and the coagulant accurate adding system comprises a microfluidic water quality detection module used for carrying out multi-parameter synchronous detection on raw water and outputting multiple paths of water quality voltage signals; the pulse signal generation module is used for converting the multiple paths of water quality voltage signals into multiple paths of pulse width modulation pulse signals; the pulse neural network decision module comprises an input layer, a coagulation response mapping layer, a flocculation effect prediction layer and a dosing amount output layer; the piezoelectric micro-jet execution module comprises a piezoelectric micro-jet array and a piezoelectric driving circuit; the feedback regulation module comprises an on-line turbidity sensor arranged at the water outlet end of the coagulating basin and is used for realizing closed-loop dynamic optimization of the adding amount of the coagulant; according to the invention, the adaptability of the coagulation process to the water quality fluctuation of raw water is effectively improved, the medicament consumption and the sludge yield are reduced, and the stability of the effluent quality is guaranteed.

The invention relates to an automatic multi-point dosing mechanism, belongs to the technical field of coal separation and processing, and solves the problem of poor coal slime flotation dosing flow control precision of an existing dosing mechanism. According to the automatic multi-point dosing mechanism, two ports are formed in the bottom of a medicine storage box and serve as a medicine inlet port and a medicine outlet port respectively; the medicine feeding device is connected with the medicine feeding port, the medicine feeding controller controls the medicine feeding device to enable the medicine to enter the medicine storage box through the medicine feeding port, and meanwhile the medicine in the medicine storage box is highly stable in the medicine feeding process; one end of the medicine outlet device is connected with the medicine outlet port, the other end of the medicine outlet device is connected with the flotation cells, the medicine outlet controller controls the medicine outlet device to enable the medicine passing through the medicine outlet port to flow to the flotation cells respectively, and meanwhile the medicine flow obtained by each flotation cell meets the preset medicine flow of the flotation cell in the medicine adding process. Accurate control over the dosing flow of a plurality of flotation cells in the dosing process is achieved.