11 results about "Biochemical Process" patented technology

The invention relates to a water treatment system and method based on computer vision and multi-agent reinforcement learning. The water treatment system based on computer vision and multi-agent reinforcement learning comprises a multi-source sensing module used for synchronously acquiring a mixed solution image sequence of an A2O process aerobic tank and sensor data of each process unit; the feature extraction and fusion module is used for performing semantic segmentation and morphological analysis on the image sequence, extracting microbial visual feature parameters, and fusing the visual feature parameters with sensor data to generate a fusion state vector; the intelligent decision-making module is a module based on a multi-agent reinforcement learning model and is used for outputting a combined control action vector according to the fusion state vector; and the execution control module is used for adjusting the aeration rate, the internal reflux ratio and the external reflux ratio of the A2O process according to the combined control action vector. According to the water treatment system disclosed by the invention, a complex biochemical process is realized, closed-loop control of multi-target collaborative optimization is carried out, the treatment efficiency is improved, and the energy consumption is reduced.

The application discloses a short-range denitrification process nitrous oxide kinetics modeling and verification method, and specifically comprises the following steps: simplifying the ASM3 model, retaining the core biochemical processes and components related to the growth, storage and endogenous respiration of heterotrophic bacteria; expanding the reaction mechanism to construct the biochemical process involved in the short-range denitrification process to produce N2O; constructing a new way of directly using NO2- as an electron acceptor to produce N2O in the endogenous respiration stage of microorganisms; considering different electron donors and acceptors in each biochemical process, constructing a process rate equation; selecting high-quality short-range nitrification-denitrification experimental data published to test the constructed model; taking self-test data as a benchmark, iteratively fitting and calibrating key parameters, so that the model prediction value and the actual measured value are optimally fitted.

The invention relates to a method for compensating the effects of time delay (TD) between sampling and actual measurement of acid-base, oxygenation and / or electrolyte status in a blood sample from a subject, such as a human patient. A mathematical model is simulating time development in the blood sample, the mathematical model having 1) a first sub-model describing red blood cell metabolism, and 2) a second sub-model describing the effect of the red blood cell metabolism on the whole blood acid-base chemistry. The mathematical model calculates from a time of measurement (Tm) to the time of sampling (Ts) a modified set of blood variables to compensate for a time delay (TD), e.g. by calculating backwards in time 0.5-3 hours. The invention can simulate the biochemical processes occurring in blood, and demonstrates the ability to simulate changes in measured blood variables over time. This may simplify transport and / or storage constraints of blood samples, and improve quality and accuracy of blood gas measurements.

The application discloses a sewage treatment full-process layered collaborative control system and method based on working condition identification, relates to the technical field of industrial intelligent control, and comprises a data acquisition module, deployed online monitoring instruments and sensors, acquires multi-source data for preprocessing, and obtains standardized data; a twin and prediction module, based on the standardized data, constructs an ASM2d mechanism model, corrects parameters, outputs biochemical process prediction variables, splices the standardized data to form an input vector, and obtains prediction inflow data through the input vector; a working condition identification module, based on the prediction inflow data, calculates multiple change rates, performs weighted fusion through preset weights, obtains an impact load comprehensive index, and performs preliminary working condition judgment and current running working condition label generation through a preset judgment threshold. The application can realize energy saving and consumption reduction under the premise of guaranteeing that the effluent meets the standard by combining the optimization targets of the effluent quality, energy consumption and chemical consumption.

The invention discloses a full-automatic sequencing library building instrument and a control method thereof. The library building instrument comprises a cover opening assembly, the cover opening assembly synchronously abuts against a lower turning part and an upper turning part of a turning cover through a first abutting part, so that the turning cover enters a semi-open or micro-open state to balance the pressure difference, and the turning cover is completely opened by pressing the lower turning part downwards through a second abutting part. When the cover is closed, the groove-shaped structure on the surface of the turning cover is used for physically guiding the abutting piece, and accurate buckling is ensured. According to the control method, the biochemical process and the step-by-step switch cover logic depth are nested. The problems of liquid splashing and pollution in the automatic cover opening process are effectively solved, the cover closing reliability and the experiment safety are improved, and standardized automatic operation of the whole process from nucleic acid extraction to library construction is achieved.

The invention relates to the technical field of deep tunnel simulation, in particular to a deep tunnel biochemical process dynamics research test device and method.The deep tunnel biochemical process dynamics research test device comprises a sampling part, a deep tunnel water supply simulation part, an upper-section deep tunnel simulation part, a middle-section deep tunnel simulation part, a lower-section deep tunnel simulation part and a bottom-section deep tunnel simulation part, the deep tunnel water supply simulation part is used for storing sewage before entering the deep tunnel and inputting the sewage into the upper-section deep tunnel simulation part; a water flow circulation channel for simulating the initial section of the deep tunnel is arranged in the upper section deep tunnel simulation part; a water flow circulation channel for simulating the middle section of the deep tunnel is arranged in the middle section deep tunnel simulation part; a water flow circulation channel for simulating the lower section of the deep tunnel is arranged in the lower section deep tunnel simulation part; a water flow circulation channel for simulating the tail section of the deep tunnel is arranged in the bottom section deep tunnel simulation part; the sampling part is used for sampling sewage at different positions. The device solves the problem that an existing deep tunnel prototype environment cannot be experimented, and can simulate the transmission process of sewage in a deep tunnel in deep tunnel engineering.

The invention belongs to the technical field of energy conservation and environmental protection, and particularly relates to a pH / ORP (oxidation-reduction potential) double-response type microbial remediation microsphere as well as a preparation method and application thereof. The microbial remediation microspheres disclosed by the invention are prepared by mixing a mixed bacteria suspension and a composite gel solution, and carrying out ionic crosslinking and oxidative crosslinking on the mixed bacteria suspension and the composite gel solution. Wherein the mixed bacteria suspension comprises desulfurization vibrio and citrobacter; the effective components of the composite gel solution comprise xanthan gum, low-fat pectin and rice hull ash. According to the microbial remediation microsphere, the remediation process is automatically and rapidly triggered through the pH and ORP double-response slow release function design, heavy metal is fixed through the biochemical process of functional bacteria, and long-term stabilization and harmlessness of the heavy metal are achieved.

The invention discloses a sewage treatment fault diagnosis method and system based on variational mode decomposition and Transform integration, and relates to the technical field of water treatment operation monitoring and intelligent diagnosis, and the method comprises the steps: obtaining water quality and biochemical process variable data in a sewage treatment process; decomposing the time sequence data of each variable data into k IMFs with different frequencies; dividing the center frequencies of the k different-frequency intrinsic mode functions into a low-frequency band, a middle-frequency band and a high-frequency band; and respectively training a Transform classification model for the features of each frequency band, independently learning the time sequence correlation and fault features in different frequency components, and fusing the output probability quality functions of the Transform classification models to obtain a final fault prediction result. Multi-frequency dynamic information in the sewage treatment process can be decomposed, different frequency band features are fully extracted by using a time sequence model, and a stable fault fusion mechanism is provided.

The present application relates to wastewater treatment technical field, disclose a kind of electrochemical coupling biochemical process device for treating waste water, including with front-end electrochemical system and rear-end biochemical system interconnection's regulating tank, rotating installation is temporarily stored in the regulating tank, and the temporary storage tank for temporarily storing PH adjusting solution, the regulating tank inside is further equipped with the synchronous plate of synchronous rotation with temporary storage tank.This application drives the circumferential motion of the liquid distribution pipe by the synchronous plate, combined with the design of different grooves on the positioning frame, can drive the liquid distribution pipe to swing in the regulating tank at different angles and different depths to release PH adjusting solution;At the same time, the extrusion groove on the limiting plate is designed with a curvature gradient, which can make the liquid distribution pipe release more adjusting solution in the deep area, effectively solve the pain point of insufficient adjustment of deep waste water, ensure that the PH value of waste water after adjustment is uniform and stable, accurately adapt to the processing needs of rear-end biochemical system, and lay a good foundation for subsequent biochemical treatment of waste water.

A system and method for treating a fluid that includes a particulate fraction and a soluble fraction includes feeding the fluid to a hydrothermal treatment apparatus and subjecting the fluid to heating to a temperature of 121 ºC or more to obtain treated fluid, subsequently feeding the hydrothermally treated fluid to a vacuum-integrated reactor, wherein at least the particulate fraction is subjected to fermentation or digestion, during the fermentation or digestion, subjecting the fluid in the vacuum-integrated reactor to a vacuum pressure, and collecting from the vacuum-integrated reactor at least a portion of the soluble fraction of the fluid as condensate and thereby thickening a remaining portion of the fluid, and recovering thickened fluid from the vacuum-integrated reactor. The vacuum may also be applied upstream or downstream of and separate from a non-vacuum-integrated reactor.

The invention relates to the technical field of reservoir management, and discloses a reservoir temperature-flow-mass three-dimensional coupling model construction method and device and electronic equipment, and the method comprises the steps: obtaining the actual measurement basic data of a reservoir; respectively constructing a hydrodynamic model, a water temperature model and a water quality model based on the actually measured basic data of the reservoir and a preset three-dimensional platform; and coupling the hydrodynamic model, the water temperature model and the water quality model to form a temperature-flow-mass three-dimensional coupling model for synchronously simulating hydrodynamic, thermal and biochemical processes. The sub-models are separately established based on the preset three-dimensional platform, deep linkage of hydrodynamic force, water temperature and water quality processes is achieved through sub-model coupling design, and the problems that most of traditional models are single-process or double-process simulation, the coupling relation between a thermal field and the hydrodynamic force and biochemical processes is ignored, and the simulation efficiency is low are solved. The synergistic effect of hydrodynamic force, thermal force and biochemistry in the actual water body cannot be completely reflected.