50 results about "Percolation process" patented technology

The invention discloses a fluid-solid-heat coupling triaxial servo percolation device for gas-contained coal, comprising a lifting stand, a hydraulic servo control system, an axial loading device mounted at the top of the lifting stand and a triaxial pressure chamber connected with the lower end of the axial loading device. A thermostatic water tank is arranged below the triaxial pressure chamber; a movable worktable is arranged above the thermostatic water tank; the lower end of the triaxial pressure chamber is arranged on the movable worktable; heating tubes are arranged in the thermostatic water tank; and a water inlet valve, a water drain valve and a water-bath circulating water pump are arranged outside the thermostatic water tank and are communicated with the thermostatic water tank. In the hydraulic servo control system, an axial compression loading oil pump is communicated with an oil inlet and an oil outlet by a pipeline, and a peripheral compression loading oil pump is communicated with an oil intake/drain hole by a pipeline. The fluid-solid-heat coupling triaxial servo percolation device for gas-contained coal can carry out the research of gas-contained coal percolation tests in states, such as different terrestrial stresses, different gas pressures, different temperatures, and the like and the distortion and failure characteristics of the gas-contained coal in a percolation process.

The invention relates to the technical field of biology, in particular to an antigen chip used for detecting human parasites antigens in serum and a preparation method thereof. The invention spots antigen array of parasites which are seriously harmful to human body, Schistosoma, Lung fluke, Clonorchis sinensis, Cysticercosis, Sparganum mansoni, Trichina, Angiostrongylus cantonensis, Toxoplasma gondii, and the like, on a solid phase membrane carrier, and specific gamma immunoglobulin (IgG) of human parasites in serum is detected by a specially made vertical flow chip detect device, and the detecting marker is colloid gold second antibody conjugate or colloid gold protein A conjugate of fresh color. IgG antibodies in serum specially bind with the antigens on the membrane in percolation process layer upon layer, and human IgG which specially binds with the antigens is detected by the colloid gold marker. Detecting of a plurality of parasites antigen indexes in serum sample can be finished within several minutes. The device and the method have the advantages of high throughput, simple operation, convenient use and being suitable for parasitic diseases clinical test and serum-epidemiological investigation.

The method for controlling a coffee machine grinder comprises one step of measuring the actual value of a physical quantity relating to the percolation process and one step of modifying the ground coffee grain size at least for the next percolation so that a possible detected deviation between the actual value and a reference value for the physical quantity is compensated.

The invention discloses a potential-based spontaneous percolation measuring device which comprises a confining pressure control system, a potential monitoring system and a pressure difference control system. The confining pressure control system comprises a rack, a rubber cylinder, a core, a confining pressure valve, a confining pressure pump and hydraulic oil. The potential monitoring system comprises a constant-voltage power supply, a mesh-shaped positive electrode, a meshed-shaped negative electrode, a data transmission line, a potential measuring sheet and a fixed-value resistor disc. The pressure difference control system comprises a pressure meter, a water storage space, a communicating pipe, a pond, a communicating valve, a hand pump and an emptying valve. The potential-based spontaneous percolation measuring device is simple in structure, easy to realize, and capable of monitoring the change of saturability on all circumferential places of the core in a spontaneous percolation process over time; the potential-based spontaneous percolation measuring device is capable of measuring the change of the saturability of the core in the spontaneous percolation process over time under the condition of applying different confining pressures; the potential-based spontaneous percolation measuring device is further capable of measuring the change of the saturability of the core in a displacement process over time under the condition of applying different pressure differences to two ends of the core, and knowing parameters such as a water absorption rate, a capillary force and a water absorption quality of the core.

The invention relates to amethod by utilizing a near infrared spectrum to measure content of multiple ingredients of complex sophora flavescens injection during a percolation process, which comprises the following steps that: sophora flavescen and rhizoma heterosmilacis japonicae medicinal percolation liquid of different bathe is firstly collected as a correction sample set, content of each ingredient in the percolation liquid is measured as a reference value through a traditional method, the sample is scanned through a collecting way and collecting parameters to obtain a corresponding near infrared spectrum graph, and a multi-element correction model between the percolation liquid spectrum and the content of the ingredients is established through a chemometrics technology. When the percolation liquid with the content of the ingredients being unknown is detected, a near infrared spectrum of the percolation liquid is measured through the same way, and the content of each ingredient can be quickly obtained through the established correction model. The method is simple and quick to operate, has high accuracy and can effectively solve the quick detection of the content of multiple ingredients of the complex sophora flavescens injection during the percolation process, so the sophora flavescens preparation production is safely and effectively guaranteed.

The invention discloses a device for treating organic oil-containing wastewater. The device mainly comprises a multifunctional adjusting tank, a deodorization device, an internal electrolysis anaerobic/anoxic biological iron carbon reaction tank, a flexible biological membrane contact oxidation tank, an air blower room, a sedimentation tank, an artificial wetland and an ecological landscape pond. According to the method and device disclosed by the invention, micro-electrolysis is used as a pretreatment technology, and the organics and nitrogen and phosphorus pollutants in the oil-containing wastewater and the animal and plant oil in the wastewater are removed according to the combined action on organic pollutants by the microorganisms in suspension and attachment states and in combination with the physical and chemical adsorption sedimentation-percolation process and the plant absorption and conversion process. The method disclosed by the invention combines the advantages of the technologies such as iron carbon filtration and biological iron method, A2/O technology, artificial wetland, artificial floating island and the like, realizes strong pretreatment ability and small floor area, and has the characteristics of large water treatment quantity, strong purification ability, good landscape effect, low operation cost, ecological safety, stable water output and strong pollution load resistance and hydraulic load impact resistance.

The invention relates to a membrane technology-based ionic rare earth ore extraction technology and a device therefor. The membrane technology-based ionic rare earth ore extraction technology comprises the following steps of removing impurities in a rare earth ore percolation liquid, carrying out solid-liquid separation by a ceramic membrane to remove suspended solids in the rare earth ore percolation liquid, carrying out nanofiltration on the ceramic membrane clear liquid for further enrichment concentration, treating the ceramic membrane concentrated solution by a plate-and-frame filter press, removing dreg, when the rare earth ore percolate has the content of 60-70g/L after nanofiltration concentration, feeding the rare earth ore percolate into an extraction unit, carrying out extraction separation of a single rare earth element, and directly feeding the nanofiltration clear liquid rich in an extraction agent back to a percolation unit. Through the membrane separation and integration technology, the rare earth ore percolate is subjected to purification, separation, and concentration enrichment so that rare earth ions in the percolate are purified and concentrated and the next extraction process is convenient, and the rare earth ore percolation liquid subjected to separation from rare earth has a low rare earth ion concentration and a high extraction agent concentration and can be directly used for the percolation process. The membrane technology-based ionic rare earth ore extraction technology greatly improves a rare earth ion recovery rate, reduces a percolation waste water discharge amount and has obvious environmental and economic benefits.

The invention relates to an ecological combined device for treating sewage with high ammonia-nitrogen content. The ecological combined device comprises a multifunctional regulation pool, a deodorizing device, an internal-electrolysis anaerobic/anoxic organism iron-carbon reaction pool, a flexible biomembrane contact oxidation filter pool, an air blower room, a sedimentation tank and constructed wetlands. According to the ecological combined device disclosed by the invention, organic pollutants, nitrogen/phosphorus pollutants and animal/vegetable oils and fats are efficiently removed from wastewater through integrating hydrolysis, microelectrolysis and the biochemical reaction of iron bacteria, anaerobic bacteria, facultative bacteria and the like and combining a physical/chemical adsorptive precipitation-percolation process and a plant absorption and transformation process. The ecological combined device can be widely applied to a high-concentration organic wastewater and reclaimed water recycling system and a regenerated water recycling landscape water system, and has the characteristics of stability, reliability, low investment, low operating energy consumption, low operating cost, easiness in maintenance and management, and the like.

The invention relates to a device and a method for measuring surfactant concentration distribution in a CO2 emulsion percolation process. The device comprises a sand-filling core model, wherein the inlet end of the sand-filling core model is connected with emulsion generators and crude oil piston type intermediate containers which are connected in parallel; the inlet ends of the emulsion generators are connected with CO2 piston type intermediate containers and surfactant piston type intermediate containers which are connected in parallel; the outlet end of the sand-filling core model is connected with a gas source bottle and a liquid containing bottle which are connected in parallel through back-pressure valves; a plurality of equal-interval sampling openings are formed in the top surface of the sand-filling core model and are communicated with the core in the sand-filling core model; each sampling opening is connected with a sampler through a pipeline with a valve. When sampling is carried out at different parts of the model, water phases are separated from CO2 phases, CO2 phase samples are dissolved in water, and the high performance liquid chromatography (HPLC) is adopted to detect the concentration of the surfactant. The device and the method are simple in operation, and the detected accuracy is high.

A percolation technology is introduced to a reduced pressure flash evaporation tank in order to obtain a reduced pressure percolation flash evaporation tank, the flash evaporation tank is used for online regeneration of heat conduction oil in order to make heavy components in the heat conduction oil be oxidized in the percolation process in order to form polar group-containing components which are convenient to adsorb and remove, and heavy components are removed in a flash evaporation mode. A heat conduction oil regeneration method has the characteristic of low energy consumption.

The present invention comprises an apparatus and methods for making herbal extracts. The apparatus employs a percolation vessel having a filter and discharge valve. A heater is provided to heat the contents of the vessel to up to about 60° C. during the cold percolation process. A control is provided to monitor the contents of the vessel and regulate the heater output to obtain and maintain the proper temperature. A pump draws the output of the vessel and recirculates it to the vessel top so that the vessel effluent passes through the vessel charge. The method entails continuously percolating a solvent through a bed of herbaceous material in the vessel at a temperature between room temperature and about 60° C. to produce an extract comprising active principles contained in the herbaceous material. The thus produced extract is highly concentrated and contains a large proportion of the active principles in the raw material. The thus-produced extract can be used in lower unit doses to provide enhanced medicinal treatment.

The invention discloses a method for detecting nanoparticles adsorbed on the surface of a biofilm. According to the method, nanoparticles capable of sending out fluorescence are added in a biofilm attached and grown on a cell slide and thus bonded on the surface of the biofilm, evanescent waves produced on a large numerical aperture objective lens after total reflection of light rays excite the nanoparticles to produce fluorescence, the nanoparticle adsorbed biofilm region is observed, and the adsorptive percolation process is characterized by the number of fluorescent light spots in an EMCCD (electron-multiplying charge-coupled device) target acquisition region. The nanoparticles adsorbed on the surface of the biofilm can be detected through the method; and the method has the advantages of simple operation process, high detection sensitivity, direct-viewing result expression and the like.

The invention discloses a traditional Chinese medicine percolation process control system and control method, wherein the control system includes a control unit, a solvent tank, a percolation tank, and a percolation fluid buffer tank, and the control unit is used to control the solvent tank and the percolation tank. 1. Control the flow control elements in the percolation buffer tank, so as to realize the automatic control of the whole percolation process. Through the control system and the corresponding control method, the automatic control of the key process parameters of the percolation process of traditional Chinese medicine can be realized, the stability control of the quality of the extract solution in the percolation process can be controlled between batches, and the stability and uniformity of the final product can be guaranteed. And the modernization of traditional Chinese medicine provides new technologies.

The invention discloses a method for preparing pulse activating decoction. In the method, instead of a percolation process, membrane pressure filtration circulating extraction and separation combined technique is used to extract the active ingredients of medicinal materials in a formula, so the production period is shortened greatly, environment protection and slag utilization are promoted and the recovery rate of the active ingredients is increased greatly.

The invention relates to traditional Chinese medicine extraction equipment. The traditional Chinese medicine extraction equipment comprises an extraction tank, a filter, a heater, a primary-effect reboiler, a primary-effect evaporator, a secondary-effect reboiler, a secondary-effect evaporator, a storage tank and a cooling device, wherein a charging hole is formed in the extraction tank and a discharging hole of the extraction tank is connected with the inlet of the filter; and the outlet of the filter is divided to be connected with the inlet of the heater, the liquid inlet of the primary-effect evaporator and the liquid inlet of the secondary-effect evaporator. The traditional Chinese medicine extraction equipment integrates heat reflowing extraction, percolation-process extraction and Soxhlet extraction principles and is combined with an external circulating concentration technology; and extraction and concentration are integrated in one set of equipment, and are carried out at the same time, so that the process is simplified, the production time is shortened and energy sources are saved.

The invention discloses a maca extracting and maca wine producing process. The technical scheme is as follows: firstly carrying out raw material smashing, extracting, filtering, concentrating, and spray drying to prepare a maca extract; then mixing the maca extract and base liquor at a certain ratio; and finally, carrying out clarification, filtering and ageing to obtain the maca wine. Compared with the traditional digestion and percolation process, the producing process has the advantages that the extraction time is reduced, the requirements on large digestion equipment are reduced, and the production efficiency is improved; through the spray drying for preparing the extract, the functional components in maca can be extracted to the greatest extent, and the effective utilization of resources is promoted; glucosinolate and decomposed products thereof with pungent and irritating smell in the maca raw material can be effectively removed through volatilization, the characteristic of fresh and sweet mouthfeel of the maca wine is reserved, and the maca wine can be blended with base liquors with different aroma types and different alcohol contents; and the maca wine has the characteristics of thick aroma of maca, soft as well as fresh and sweet mouthfeel, full gradation, harmonious tastes of various components and long after taste in the aspect of liquor body style.

The invention relates to a refining process of oligomeric dextran and a production process prediction method of oligomeric dextran, and belongs to the technical field of membrane separation. On one hand, aiming at glucan oligosaccharide (with the molecular weight of 5-8 kDa), a small-aperture ZrO2 ceramic ultrafiltration membrane is adopted, and dextran with relatively low molecular weight is removed through intermittent percolation, so that the molecular weight distribution of the glucan oligosaccharide is narrowed,on the other hand, a novel percolation model is provided by considering the changed solute retention rate. The model can be used to achieve prediction of the percolation process and optimization of the percolation process by maximizing productivity.

The invention discloses an ultraviolet spectrum technique based end point judgment method for the percolation process of caulis sinomenii, and belongs to the technical field of traditional Chinese medicine production process analysis. The method includes the following steps: (1) collecting spectrum information; (2) collection samples; (3) determining sinomenine hydrochloride concentrations in thesamples; (4) performing rejecting and dividing on the samples; (5) establishing a correction module; and (6) applying the model. The real-time determination of the sinomenine hydrochloride concentrations during the percolation process of caulis sinomenii can be realized without sampling and analyzing; bases of timely judging the end point of percolation can be provided; the process monitoring andvisualization of the percolation process can be realized; and foundations can be built for deeply understanding the percolation process and enhancing production quality control levels.

The invention relates to a preparation method of a sewage soil infiltration device, which comprises the following steps that: a plexiglass tube of which one end is closed and the other end is welded with a flange is taken, and a small sampling hole is drilled at the center of a circle of a closed end surface; a plexiglass tube of which both ends are welded with flanges is taken; a plexiglass tube of which one end is provided with an opening and the other end is welded with a flange is taken; a matrix is evenly filled in the three plexiglass tubes, and the flange end surfaces of the three plexiglass tubes are connected by bolts; and the sewage is continuously injected into the plexiglass tubes, and is sampled from the small sampling hole, and then the water outlet quality is analyzed and the water outlet quality is monitored. In the preparation method of the sewage soil infiltration device, the problems that the matrix is unevenly filled, a matrix layer collapses and the water flow is short-circuited in the traditional soil column simulation soil percolation process, can be solved, and the treatment effect of the sewage is improved.

The invention belongs to the technical field of atropa belladonna extract extraction, and concretely relates to a percolation extraction method of atropa belladonna extract. The percolation extractionmethod comprises the steps of medicinal material treatment, wetting, barreling, percolation, and dry extract preparation, and the medicinal material treatment process comprises the steps of taking roots of atropa belladonna, removing impurities and mildewed parts, washing with a saline solution with the mass concentration of 3%, taking out, rubbing with a rubbing machine, and removing non-shredded parts after rubbing to obtain atropa belladonna rubbing shreds; wherein the percolation speed and the solvent temperature are adjusted in the percolation process. Compared with the prior art, the method has the following advantages that the impregnation time and the percolation time can be shortened, and meanwhile, the obtained dry extract can meet the provisions about the belladonna herb dry extract; the extraction time can be shortened by about a half from the traditional 10h, 168-173g of dry extract can be prepared by rubbing every 1000g of atropa belladonna shreds, and the yield of hyoscyamine reaches 85.5% or above.