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142results about How to "Solve environmental problems" patented technology

First-aid platform work order management method based on digital twinborn and artificial intelligence

The invention provides a first-aid platform work order management method based on digital twinning and artificial intelligence, and belongs to the technical field of information technology application innovation, and the method comprises the steps: collecting historical first-aid data and real-time data of a first-aid scene, and constructing a task scheduling system based on a knowledge graph; decomposing the task into a plurality of sub-tasks according to the work order data, and allocating an optimal first-aid resource combination for the sub-tasks; an optimization strategy is set to carry out collaborative allocation control on each resource, and task allocation is optimized; the optimized task allocation is monitored in real time, and meanwhile, in combination with real-time data flow monitored in real time, it is ensured that the change of the dynamic environment is responded at any time in the task execution process; and re-inputting the optimized task allocation and resource scheduling strategy into the knowledge graph, and carrying out closed-loop optimization. According to the invention, the problems of inaccurate task scheduling, weak real-time response capability, low resource utilization rate and the like in the existing work order management system of the emergency platform are effectively overcome, and the overall efficiency and the automation level of the emergency platform are greatly improved.
Owner:佛山市佛盈盘古信息科技有限公司

Fulvic acid fertilizer based on straw microbial fermentation as well as preparation method and application of fulvic acid fertilizer

The invention relates to the technical field of fertilizers, and discloses a fulvic acid fertilizer based on straw microbial fermentation and a preparation method and application thereof.The preparation method comprises the steps that straw is crushed and subjected to low-temperature plasma pretreatment, and pretreated straw is obtained; then, culturing the mixed microbial preparation to prepare a culture solution; then, the pretreated straw, a nutrient solution, a fermentation auxiliary agent and trichoderma are mixed for fermentation, and therefore a fermentation product is generated. The fermentation auxiliary agent is prepared from seaweed meal, bean flour, humus soil and molasses. And finally, carrying out solid-liquid separation on the fermentation product, and drying the separated solid part to finally obtain the fulvic acid fertilizer. Through combination of low-temperature plasma pretreatment and an innovative fermentation auxiliary agent, the preparation process of the fulvic acid fertilizer is optimized, the fertilizer efficiency of the fertilizer and the crop growth effect are improved, and meanwhile, the environment problem of agricultural waste is solved.
Owner:XINJIANG SHENGSHIYUAN THERMAL ENERGY TECH CO LTD

Method for treating nickel-containing waste electrolyte in electrolytic fluorine production

PendingCN119430309ASolve technical problems that are not easy to completely dissolveGuaranteed to dissolveIron oxides/hydroxidesAlkali metal fluoridesPotassium fluoridePhysical chemistry
The invention relates to an electrolytic fluorine-making nickel-containing waste electrolyte treatment method which comprises the following steps: heating a fluorine-making electrolytic cell to 80-95 DEG C, completely melting the electrolyte, standing for layering, and taking out the colorless electrolyte on the upper layer; excessive fluorine gas is introduced into the electrolytic cell, and ferrous ions in the remaining electrolyte are converted into iron ions; electrolyte in the electrolytic bath is guided into an anti-corrosion container, deionized water is added into the anti-corrosion container, and the electrolyte is completely dissolved; adjusting the pH value of the solution in the container to 3-4, fully precipitating, and carrying out solid-liquid separation to obtain a solid A and a filtrate A; adjusting the pH value of the filtrate A to 9-11, fully precipitating, and carrying out solid-liquid separation to obtain a solid B and a filtrate B; and adjusting the ion molar ratio of F <-> to K < + > in the filtrate B to be 2: 1, then carrying out evaporative crystallization, and drying obtained crystals to obtain products of potassium hydrogen difluoride and potassium fluoride. The waste electrolyte can be effectively treated, and resources are efficiently recycled and reutilized.
Owner:PERIC SPECIAL GASES CO LTD

Dance formation self-organization control method based on robot group

The invention discloses a dance formation self-organization control method based on a robot group. The method comprises the following steps: S1, obtaining dynamic changes of light frequency, color and intensity through a spectrum camera; s2, judging an effective light source and an invalid light source, and removing the invalid light source to form a target light signal; s3, converting the optical signal into a digital signal through a photoelectric converter and a digital signal processor, and extracting the characteristics of the digital signal to form a characteristic instruction; s4, comparing the feature instruction with a predefined action matching database in real time, and outputting a robot action instruction; s5, analyzing the characteristics of the received digital signal, predicting an action instruction at the next moment, and generating the next action instruction in advance; s6, generating a robot action track by using a path planning algorithm; and S7, adopting a distributed control strategy, dynamically adjusting the motion track, and completing dance arrangement. According to the invention, dance arrangement of the robot group is controlled through light, and diversity of dance of the robot group is realized.
Owner:YANTAI ZODIAC NETWORK TECHNOLOGY CO LTD

Fused salt energy storage coupled CO2 air source heat pump water heater cascade energy storage and steam supply system

A fused salt energy storage coupled CO2 air source heat pump water heater cascade energy storage steam supply system comprises a first-stage energy storage system and a second-stage energy storage system, the first-stage energy storage system comprises a softened water tank, and a water inlet of the softened water tank is connected with a water outlet of a softened water treatment device through a water conveying pipeline; a water outlet of the softened water tank is connected with a water inlet of a heated channel of a condenser of the carbon dioxide air source heat pump water heater through a softened water pipe connected with a softened water pump in series, and a water outlet of the heated channel of the condenser is connected with a water inlet of the heat storage water tank through a first-stage hot water pipe. A high-temperature and high-pressure gaseous carbon dioxide inlet of the heat dissipation channel of the condenser is connected with a circulating medium outlet of the carbon dioxide compressor through a pipeline. According to the cascade energy storage and steam supply system of the fused salt energy storage coupled CO2 air source heat pump water heater, the electricity price advantage of electricity in the off-peak period is fully utilized, the operation cost of a steam supply system of an enterprise can be reduced, and finished steam with the lower cost is provided for the enterprise.
Owner:BLUESTAR BEIJING CHEM MACHINERY

Sectional type PMLSM monitoring system and method

The invention discloses a sectional type PMLSM monitoring system and method, relates to the technical field of sectional type PMLSM monitoring, and solves the problem that the prior art ignores the important influence of environmental factors on the performance of a motor. And the technical problem that the health assessment result of the motor is not comprehensive and accurate enough due to the fact that the prior art only depends on historical operation data and current operation data and lacks comprehensive analysis of multi-dimensional data is solved. The method comprises the following steps: acquiring thrust data of each segment of a segmented PMLSM in real time, and acquiring environmental data of the segmented PMLSM in an operation process; calculating an early warning evaluation coefficient of each segment based on the thrust data; constructing a correction model based on the environment data to correct the early warning evaluation coefficient of each segment, and obtaining a target early warning evaluation coefficient of each segment; and judging whether each segment in the segmented PMLSM needs early warning or not based on the target early warning evaluation coefficient. The above problem is solved.
Owner:HUAINAN XINCHUANG INTELLIGENT EQUIP CO LTD

Industrial control configuration software system and method based on intelligent voice interaction

The invention relates to the technical field of industrial automation control, and discloses an industrial control configuration software system based on intelligent voice interaction, and the system comprises a voice recognition module which is based on a hybrid architecture of a deep neural network and a hidden Markov model and is used for receiving a voice signal of an operator and converting the voice signal into text data; and the natural language processing module is used for analyzing an operation command in the text data and extracting a device name, an operation instruction and related parameters through a bidirectional long-short-term memory network model. Through combination of augmented reality and virtual reality technologies, visual display and operation feedback of industrial equipment states are realized so as to enhance the perception capability of field operators on the equipment states, remote operators are allowed to perform remote fault diagnosis and operation simulation through VR, more intuitive and efficient operation support is provided, and the operation experience of the field operators is improved. The accuracy and decision-making efficiency of equipment operation are effectively improved, and the risk of misoperation is reduced.
Owner:HUANENG FUXIN WIND POWER GENERATION CO LTD

System architecture method and management and control method of expressway self-consistent system

The invention relates to a system architecture method and a management and control method of a highway self-consistent system, and the method comprises the steps: obtaining the scene load data of a plurality of target regions nearby a highway, the target regions at least comprising a service region, a toll station and a management center; the method comprises the steps of obtaining load data of each target area, determining energy equipment needing to be configured for each target area according to the load data, and finally constructing a topological framework of the expressway self-consistent system based on the configured energy equipment, wherein the equipment comprises new energy configuration equipment, energy storage equipment, hydrogen production equipment, hydrogen storage equipment and a fuel cell. The problems of high cost and environmental influence of a traditional power grid energy supply mode in an expressway scene are effectively solved, and efficient and green energy supply is realized by using new energy and an energy storage technology. Meanwhile, the topological architecture of the system is flexible, dynamic adjustment can be performed according to actual load requirements, the energy utilization efficiency is improved, and reliable power supply in the highway scene is ensured.
Owner:BEIJING NEGO AUTOMATION TECH

Carboxymethyl chitosan-covalent organic framework-nano-silver composite material as well as preparation method and application thereof

The invention belongs to the technical field of biological bacteriostasis and food packaging materials, and particularly relates to a carboxymethyl chitosan-covalent organic framework-nano-silver composite material and a preparation method and application thereof. According to the preparation method of the carboxymethyl chitosan-covalent organic framework-nano-silver composite material, provided by the invention, a metagen is adopted as a reducing agent, and AgNPs is synthesized through a biological method; the COF-AgNPs composite material is prepared by an in-situ growth method, and the ordered porous structure of the COF provides specific constraint for the AgNPs, so that aggregation of the AgNPs is effectively avoided; in addition, COF-AgNPs is added into a CMCS matrix, so that the film-forming ability of the COF-AgNPs is enhanced, and the CMCS matrix is endowed with excellent antibacterial performance and mechanical performance. Therefore, the composite film material prepared by adopting the preparation process can effectively improve the fresh-keeping effect of fruits and vegetables, and has a good application prospect in the field of packaging film materials for fruit and vegetable fresh-keeping.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Driving test scene vehicle escape method based on grid map

The invention relates to a driving test scene vehicle escape method based on a grid map. The driving test scene vehicle escape method comprises the steps that S1, the posture, the speed, the angular speed and the driving track of a vehicle are calculated; s2, according to the real-time dynamic data of the vehicle, generating a grid map of vehicle follow-up occupation; s3, carrying out collision detection on the grid map; whether a potential collision risk exists or not is judged by analyzing the mutual relation between the vehicle following body occupation grid map and the surrounding environment; s4, based on a collision detection result, generating a detrapping grid map; S5, projecting the outline of the vehicle to the pose of any point; and step S6, controlling the escape behavior of the vehicle through the escape state machine model and the decision. The objective of the invention is to solve the two major problems in the practical application of the traditional escape algorithm: the traditional algorithm lacks the effective sensing ability to the surrounding environment in the escape process, and the misjudgment is easy to generate under the specific terrain conditions such as ramps and the like.
Owner:YIXIAN INTELLIGENCE

Floor garbage can overflow monitoring method and system, monitoring equipment and storage medium

The invention discloses a floor garbage can overflow monitoring method and system, monitoring equipment and a storage medium, and relates to the technical field of intelligent monitoring of the Internet of Things, and the method comprises the steps that the filling state of garbage in a garbage can is analyzed according to sensing detection data and garbage can initial capacity information; using information of a user is obtained, and the time when the garbage can reaches the overflow state is predicted according to the filling state and the using information; the placement position information of the garbage cans is obtained, and a clearance plan is made according to the placement position information and the predicted overflow time; generating a clearance instruction according to the clearance plan; acquiring environment monitoring data around the garbage can, and comparing the environment monitoring data with the ideal environment model to obtain an environment influence value; comparing the environment influence value with an environment influence threshold range, and if the environment influence value is outside the environment influence threshold range, generating an environment optimization instruction; the overflow state of the garbage can can be accurately mastered, and the garbage can cleaning efficiency is improved.
Owner:GUANGZHOU XINCHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Silver metal recovery method for waste photovoltaic panel

The invention discloses a waste photovoltaic panel silver metal recovery method, and relates to the technical field of waste photovoltaic panel silver recovery. The recycling method comprises the steps that silver wires on the surfaces of the photovoltaic panel waste materials are ground into powder, and the powder is collected; placing the powder in a reaction kettle filled with an acid solution for reaction to obtain a reaction solution; adding a purifying agent into the reaction liquid to obtain a mixture; filtering the mixture to obtain filtrate; and the filtrate is placed in a container to be electroplated, and sediment attached to a cathode bar is the obtained metal elementary substance silver. According to the method, the environmental protection problem caused by the current photovoltaic panel decommissioning tide can be effectively solved, and silver in the waste photovoltaic panel waste materials can be effectively collected.
Owner:TUNGHSU TECH GRP CO LTD

Compound evaporator coupled with multiple heat sources, and heat pump system thereof

The invention provides a compound evaporator coupled with multiple heat sources, and a heat pump system thereof. The use efficiency of a heat pump and the energy utilization rate are improved while the coupled use of the multiple heat sources is achieved; meanwhile, flue gas waste heat can be recycled, and purification is achieved; and the side of the evaporator is prevented from being frosted effectively. The compound evaporator comprises a shell, and flanges arranged at the two ends of the shell; the shell comprises an outer shell and an inner shell; a spiral refrigerant flow channel is arranged in a clearance between the outer shell and the inner shell; an inside cavity of the inner shell forms a coupled working medium flow channel, and the two ends of the inner shell are provided witha coupled working medium inlet and a coupled working medium outlet separately; the outer side of the outer shell is provided with a plurality of flue gas cooling fins, and a flue gas channel used forheat exchange is formed between the adjacent flue gas cooling fins; and the two ends of the outer shell are separately provided with a refrigerant inlet and a refrigerant outlet which communicate withthe refrigerant flow channel.
Owner:XI AN JIAOTONG UNIV +1

Turbine blade polishing equipment

The embodiment of the invention provides steam turbine blade grinding equipment which comprises a machine body, a grinding device and a grinding device. The working table covers a notch of the dust collection groove, the working table is provided with a blade grinding area, and the blade grinding area of the working table is provided with a dust removal hole communicated to the dust collection groove; the grinding device is arranged at the end, away from the machine body, of the workbench, the grinding device and the blade grinding area are correspondingly arranged, and the grinding device is used for grinding the blade placed in the blade grinding area; and the negative pressure device is arranged in the dust collection groove, and the negative pressure device is used for generating negative pressure in the dust collection groove, so that dust and material slag generated in the blade grinding area are sucked into the dust removal groove through the dust removal holes. According to the polishing device, the negative pressure device generates negative pressure in the dust collection groove, dust and material residues generated in the polishing process on the workbench are sucked into the dust removal groove through the dust removal holes, and therefore cleaning of the workbench is achieved, and the environmental protection problem of polishing operation can be solved.
Owner:华能吉林发电有限公司九台电厂 +2

Acid tar resource utilization and environment-friendly treatment method

The invention discloses an acid tar resource utilization and environment-friendly treatment method which is characterized in that a full-automatic acid tar fishing device is mounted at the top of an ammonium sulfate mother liquor circulating tank, and a conveyor is mounted at the top of the ammonium sulfate mother liquor circulating tank and located on the front surface of the full-automatic acid tar fishing device; the full-automatic acid tar fishing device comprises an acid tar fishing tank, an oil fishing cylinder is installed on the top of the acid tar fishing tank, and an oil fishing connecting rod is arranged at the position, located on the inner side of the acid tar fishing tank, of the bottom of the oil fishing cylinder. The fully-closed, full-flow and full-automatic operation process is used, tail gas in the production process is recycled, and acid tar subjected to hazardous waste treatment is recycled into a tar product for resource utilization, so that the health of operators is prevented from being harmed, transportation equipment is prevented from being damaged, and the production cost is reduced. Meanwhile, the problem of environmental pollution caused in the manual tar fishing operation and transportation process is solved, and a series of environmental protection problems in the coal blending process are effectively solved.
Owner:MAANSHAN XINNENGHUAN INTELLIGENT TECH CO LTD

Resin composition for injection molding and injection molded body

This invention relates to a resin composition for injection molding, comprising a poly(3-hydroxyalkanoate) resin. The poly(3-hydroxyalkanoate) resin comprises at least one copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units. The average content of 3-hydroxybutyrate units in the poly(3-hydroxyalkanoate) resin is 92 mol% or more and 99 mol% or less. The poly(3-hydroxyalkanoate) resin, obtained by gel permeation chromatography using chloroform solvent, has a polystyrene-converted weight-average molecular weight of 210,000 or more and 380,000 or less, and the proportion of components with a weight molecular weight of 200,000 or less in the weight molecular weight distribution is 35 wt% or more and 60 wt% or less.
Owner:KANEKA CORP

Cooperative development process data synchronization and notification method

The invention provides a collaborative development process data synchronization and notification method. According to the method, an automatic process is triggered by monitoring a test-submitted event message queue, development data is positioned based on module identification, key operation features (such as database change and task start and stop) are analyzed and extracted by using natural language, and feature extraction precision is improved by combining a dynamic keyword library and cross-modal fusion; the timeliness and reliability of risk reminding are ensured through template message generation and multi-channel delivery; a risk propagation range is further predicted by means of a dependency graph model, and a closed-loop early warning mechanism is formed. According to the method, the problem of delay caused by information lagging and insufficient collaboration in the development process is solved, the risk of manual operation is reduced, and the efficiency and controllability of project management are improved.
Owner:GUANGZHOU PINWEI SOFTWARE CO LTD

Buoyancy semi-submersible platform for transportation of offshore engineering equipment

The invention relates to a buoyancy semi-submersible platform for marine engineering equipment transportation, and relates to the technical field of marine engineering equipment. The device comprises a plurality of main stand columns, transverse supporting rods, inclined supporting rods, a top platform, bottom supporting rods and inflatable buoyancy units, first assembling plates and second assembling plates which are used for fixing the transverse supporting rods and the inclined supporting rods are arranged on the side walls of the two ends of the main stand columns at intervals, and the top platform is arranged at the top ends of the main stand columns; the bottom supporting rods are arranged between the transverse supporting rods at the bottom ends of the main stand columns, positioning rods are arranged between the bottom supporting rods and the bottom wall of the top platform, and the peripheral walls of the positioning rods are sleeved with the inflatable buoyancy units. The main stand columns, the transverse supporting rods, the inclined supporting rods, the top platform, the bottom supporting rods and the inflatable buoyancy units are combined to form buoyancy semi-submersible platforms in different modes based on different working requirements. The method has the effects that the transportation difficulty of the ocean engineering equipment is reduced, and the transportation and establishment efficiency of the ocean engineering equipment is improved.
Owner:ZHONGTIAN TECH GRP OFFSHORE ENG CO LTD

Synthetic method of 4-amino-N-tert-butylbenzamide

The invention discloses a synthesis method of 4-amino-N-tert-butylbenzamide, which comprises the following steps: by taking p-aminobenzonitrile and tert-butyl acetate as initial raw materials, carrying out Ritter reaction in an acidic system to prepare the 4-amino-N-tert-butylbenzamide in one step; the acidic system is composed of an acidic solvent and an acidic catalyst; the acidic solvent is acetic acid; the acid catalyst is p-toluenesulfonic acid or sulfuric acid. The method provided by the invention not only solves the problem that the tert-butylamine and other raw materials with pungent smell need to be adopted in the prior art and are not friendly to human bodies and environment, but also avoids the problems of low safety caused by a high-risk process and high production cost caused by the need of adopting an expensive palladium catalyst in the prior art; particularly, the method is short in reaction step, simpler and more convenient to operate, more stable in process and suitable for large-scale industrial production.
Owner:JIANGSU SUNLIGHT PHARM CHEM MATERIAL CO LTD

Hydrogen storage alloy hydrogen absorption and desorption platform pressure and enthalpy change regulation and control method

The invention belongs to the technical field of solid hydrogen storage, and particularly relates to a hydrogen storage alloy hydrogen absorption and desorption platform pressure and enthalpy change regulation and control method. The method comprises the steps that S1, hydrogen storage alloy is obtained through smelting, and the surface of the hydrogen storage alloy is polished; s2, the hydrogen storage alloy is placed in a high-temperature furnace, and the high-temperature furnace is cleaned; s3, a heating program of the high-temperature furnace is set, the initial temperature is room temperature, then the temperature is increased to 900-1400 DEG C at the heating rate of 100-300 DEG C / h, then heat preservation is conducted for 1-8 h, and then natural cooling is conducted; and S4, when the temperature in the high-temperature furnace is reduced to 30 DEG C or below, the hydrogen storage alloy is taken out, the hydrogen storage alloy is sequentially polished, cleaned and dried, and the regulated hydrogen storage alloy is obtained. By optimizing heat treatment parameters, the performance of the hydrogen storage alloy is remarkably improved, and the requirement for development of the hydrogen energy technology is met.
Owner:HEFEI GENERAL MACHINERY RES INST +2

Treatment device and treatment method for extracting crude phenol from phenol-containing distillate oil and realizing zero discharge of wastewater

The invention relates to a treatment device and a treatment method for extracting crude phenol from phenol-containing distillate oil and realizing zero discharge of wastewater. The device comprises an alkaline washing tower, a stripping tower, a decomposition tower, an extraction machine, a regeneration machine, an adsorption tower, a complexing tank, an alkali preparation tank and a crystallizer, the method comprises the following steps: S1, preparing dilute alkali; s2, carbolic oil alkali washing; s3, stripping to remove impurities; s4, acidizing and decomposing; s5, extracting and dephenolizing; s6, regenerating the extracting agent; s7, adsorption and dephenolization; s8, complexing and removing impurities; and S9, crystallizing and desalting. The method provided by the invention can realize extraction of crude phenol from carbolic oil and zero discharge of wastewater, and thoroughly solves the problem of environmental protection in acid-base phenol extraction of coal tar.
Owner:TIANJIN TONGCHUANG HENGTAI TECH CO LTD

Object and key point detection method and host and driver monitoring system thereof

The invention relates to a method for detecting objects and key points. The method comprises the following steps of: receiving an image; executing a deep neural network architecture based on the image to obtain one or more object bounding boxes; executing a deep neural network architecture based on the one or more object bounding boxes to obtain relative positions of one or more key points corresponding to the one or more object bounding boxes; and outputting the positions of the one or more object bounding boxes and the one or more key points.
Owner:ADVANCED INTELLIGENT SYSTEMS CO LTD

Tail coke extinguishing and collecting device of 6m top-charging coke oven

The embodiment of the utility model provides a tail coke extinguishing and collecting device of a 6m top-charging coke oven, which comprises a material receiving hopper, an upper water tank, a high-pressure water pump and a tail coke chute which are arranged on a coke barrier car, and a coke-water separating hopper arranged on a coke quenching trolley, the receiving hopper is located below a coke oven tail coke outlet, the tail coke chute is of an inclined groove-shaped structure with two open ends, and the top end of the tail coke chute is connected with the receiving hopper; the upper water tank is communicated with the top end of the tail coke chute through a high-pressure water pump; a feeding hole is formed in the top of the coke-water separation hopper, is positioned below the tail coke chute, and is larger than the bottom end of the tail coke chute; and a screen for separating tail coke from water is also arranged in the coke-water separation hopper. According to the technical scheme, the tail coke entering the tail coke chute is scoured, extinguished and transported through the high-pressure water, so that the problem of high failure rate caused by direct contact between a scraper mechanism and the tail coke is avoided, the normal operation of production is further ensured, and the tail coke treatment capacity is improved.
Owner:LIUZHOU IRON & STEEL

A dust control system for silicon carbide laser processing based on multi-level adsorption synergy

A multi-stage adsorption synergistic dust control system for silicon carbide laser processing includes a suction hood, a vibrating grid module, a porous laminar flow adsorption module, a boiling water mist module, a condensation pipe, a mixing condensation module, a drying module, and a fan, arranged sequentially and connected along the airflow direction. The vibrating grid module includes an alloy grid and a vibration device. The porous laminar flow adsorption module includes an adsorption layer disposed in the airflow channel. The boiling water mist module includes an adsorption chamber and a water mist generator to form boiling water mist to capture dust in the airflow. The condensation pipe performs preliminary condensation of the airflow to capture dust. The mixing condensation module includes an inclined condensation channel that utilizes dust in the airflow as condensation nuclei to remove dust. The inner wall of the condensation channel is alternately arranged with superhydrophilic and superhydrophobic regions. This invention can achieve stepwise dust removal from the micron to the nanometer scale, with a capture efficiency of up to 99.9%, low overall energy consumption, and recyclable materials.
Owner:GUANGDONG UNIV OF TECH +1

Fresh cut flower preservative as well as preparation method and application thereof

The invention discloses a fresh cut flower preservative and a preparation method and application thereof.Auricularia auricula polysaccharide and 8-hydroxyquinoline are adopted as main components for preservation, the balance is water to prepare a mixed aqueous solution, and bacterial nanocellulose (BNC) produced by protein waste liquid is adopted as a medium of the aqueous solution; and after water absorption saturation, obtaining the functional fresh-keeping material for the fresh cut flowers. The bacterial nano cellulose is biodegradable and non-toxic, and the fresh cut flower preservation gel prepared by the method is uniform and stable, is a semi-solid, is not easy to flow, and is easy to subpackage, transport and use. Compared with water-retaining cotton and flower mud, the water-retaining agent is longer in water-retaining time and easier to decompose, and the loss of an aqueous solution is reduced. The fresh-keeping period of the fresh cut flowers can be prolonged after the roots of the fresh cut flowers are placed in the packaging bag for fresh-keeping and sealing, and the packaging bag can be used for long-distance transportation of the fresh cut flowers and water retention of bouquets in flower stores.
Owner:LUDONG UNIVERSITY +1

Vacuum sealing machine for medicines

The utility model relates to the field of medicine processing, and particularly discloses a medicine vacuum sealing machine which comprises a conveying table, and a conveying groove for conveying aluminum foil is formed in the middle of the conveying table. The negative pressure suction heads penetrate through the side wall of the conveying table and communicate with the conveying groove, and the negative pressure suction heads are fixedly connected with the conveying table; the pressing plate is vertically opposite to the conveying groove, and the pressing plate is located among the multiple negative pressure suction heads; a plurality of pressing strips are fixedly arranged on the lower surface of the pressing plate in a protruding mode. And the intermittent conveying unit intermittently conveys the aluminum foil. According to the scheme, a plurality of tablets can be packaged in a separated mode through a plurality of pressing strips, and finally the packaged tablets form independent vacuum spaces, so that the tablets are stored more effectively and are not affected by the air environment.
Owner:CHONGQING SUCCEWAY PHARMA

Novel slitter edge cleaning device

The utility model discloses a novel waste edge cleaning device which comprises a waste conveying mechanism, a primary cleaning mechanism, a secondary cleaning mechanism, a recycling mechanism and a waste collecting mechanism. A primary cleaning mechanism is arranged on one side of the waste conveying mechanism, a secondary cleaning mechanism is arranged on one side of the primary cleaning mechanism, a recycling mechanism is arranged below the secondary cleaning mechanism, and a waste collecting mechanism is arranged on one side of the secondary cleaning mechanism. According to the novel slitter edge cleaning device, cold heading oil on the surfaces of slitter edges (waste materials) can be completely cleaned through sufficient stirring of the stirring machine, and the environment-friendly problem that a large amount of dense smoke is generated when the waste materials or the slitter edges are used for reproducing steel can be solved; cold heading oil on the surface of the waste edge is collected through the oil-water separation box and can be used for cold heading bolt production after being treated, and the cold heading oil cost during cold heading bolt production is reduced; and the recycling unit price of cleaned waste edges or waste materials is high, and the production material cost of the cold heading bolt is reduced.
Owner:LENGSHUIJIANG TIANBAO IND

Dedusting water cannon for coal mining and processing

The invention provides a dust removal water cannon for coal mining and processing. The dust removal water cannon comprises a dust removal moving trolley; the dust removal liquid storage conveying mechanism is fixedly mounted on the inner side of the dust removal moving trolley, and the dust removal liquid storage conveying mechanism is electrically connected with the control case through a connecting wire; the positioning lifting mechanism is fixed to the front end of the dust removal liquid storage conveying mechanism, and the positioning lifting mechanism is electrically connected with the control case through a connecting line; according to the dedusting water cannon for coal mining and processing, a dripping liquid collecting frame of the dripping liquid collecting mechanism is used for receiving dripping liquid at a cannon muzzle, a high-low collecting cavity guides the liquid to flow into a recycling frame through a recycling pipeline, and the rotating dedusting cannon barrel is movably mounted on the inner side of the upper end of the positioning lifting mechanism; the problem that an existing device wastes water resources is solved, cyclic utilization of the water resources is achieved, and the use cost is reduced.
Owner:YANKUANG ENERGY GRP CO LTD

Deep-sea cold-resistant thiomonas and application thereof

The invention relates to the technical field of microorganisms, in particular to deep sea thiomonas and application thereof. The strain is Sulfurimonas iocasae FCS5, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.46387. The invention further discloses a preparation method of the Sulfurimonas iocasae strain. The deep sea thiomonas strain has the functions of carbon sequestration, denitrification, dephosphorization and production of various vitamins, and the application of the deep sea thiomonas strain in the fields of environmental restoration, biological product production and the like.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

A feeding device and method for improving the acidolysis rate of sulfuric acid process for producing titanium dioxide

The present invention discloses a feeding device for improving the acidolysis rate of the process of producing titanium dioxide by sulfuric acid method, comprising a reactor, a base, a reactor cover, a feeding port, a feeding pipe I and a feeding pipe II; the reactor is vertical; the base is arranged at the bottom of the reactor; the reactor cover is arranged at the top of the reactor; the feeding port is arranged at the middle position of the top of the reactor cover; the feeding pipe I is vertically inserted into the feeding port, and the lower end extends into the reactor; the feeding pipe II is arranged on the left side of the feeding pipe I, the pipe body is parallel to the feeding pipe I, and its lower end is bent toward the feeding pipe I, so that the materials in the feeding pipes I and II are intersected and mixed. The present invention also discloses a feeding method for improving the acidolysis rate of the process of producing titanium dioxide by sulfuric acid method. The present invention can solve the problem in the prior art that the waste acid and the acid-ore mixture are not sufficiently and evenly contacted, resulting in inconsistent main reaction concentrations of the acid-ore mixture, resulting in low acidolysis rate, and seriously affecting the economic benefits of the enterprise.
Owner:CNMC GUANGXI PGMA