46results about How to "Reduce the risk of proliferation" patented technology

The invention discloses a distribution box, and relates to the technical field of power equipment. The technical key points are as follows: the distribution box comprises a box body, a box door and anelectric appliance fixing plate which is installed in the box body and equipped with electric appliance elements; and a plurality of heat dissipation holes are formed in the box body. The distribution box is characterized in that the inner wall of a top plate of the box body is fixedly connected with a soft magnet; a permanent magnet is attracted to the side, away from the top plate of the box body, of the soft magnet; a compression spring in a compressed state is connected between the soft magnet and the permanent magnet; an insulating layer is arranged on the side, away from the soft magnet, of the permanent magnet; an insulating insert perpendicular to the insulating layer is arranged on the insulating layer; a left contact and a right contact which are connected with a bus are arranged below the insulating insert; and the left contact and the right contact elastically abut against each other and are symmetrically arranged with the insulating insert as a plane of symmetry. The distribution box has the advantage that the power can be cut off in time in case of fire and the risk that open fire diffuses along a wire is reduced.

The invention provides an ionic-liquid-containing dual-organic-phase flotation separation system and a method for removing rare earth elements in spent fuel. The system comprises a first organic phase (also called as an upper layer phase or phase 1) which comprises a basic solvent phase consisting of one or a plurality of the following substances: multi-chain organic alkane solvent, organic ester solvent, oleic acid fatty acid solvent and naphthenic acid solvent; a second organic phase (also called as a lower layer phase or phase 2) which is a composite phase of first type ionic liquid and second type ionic liquid, wherein the first type ionic liquid is imidazole ionic liquid and the second type ionic liquid is selected from pyridine, pyrrole, tertiary ammonium or other functionalized ionic liquid. Through a multistage tandem differential flotation process, the direct all-solid separation of rare earth elements from spent fuel can be effectively realized.

The invention discloses a sludge catalytic oxidation treatment pump and a sludge separation and quality-grading comprehensive utilization method thereof, and belongs to the field of environment. The sludge catalytic oxidation treatment pump is composed of a cutting mixing electro-catalytic oxidizer, a heterogeneous fluid pump, a spiral pressurizing catalytic oxidation extractor, a first annular permeation liquid adding device and a second annular permeation liquid adding device which are connected in series. Pulse electricity and an oxidizing agent are used for generating a catalyst in situ, catalytic oxidation, extraction, separation and quality-divided comprehensive utilization are conducted on sludge, substances with high nitrogen and sulfur content in the sludge can be catalytically oxidized and decomposed into water-soluble substances, the water-soluble substances, nutrients and heavy metal are extracted together, after the pH value is adjusted, harmful substances such as the heavy metal are removed, and a base fertilizer of a liquid fertilizer is obtained; a porous ceramic filter material is prepared by precipitation; and extracted sludge is made into a fuel. According to themethod, separation and quality-divided comprehensive utilization of the sludge are realized.

The invention discloses a heavy metal pollution cultivated soil conditioner which comprises 10-30 parts of biological charcoal, 30-50 parts of modified apatite and 10-50 parts of bentonite and furthercomprises sylvite. The invention further provides a preparing method and application of the heavy metal pollution cultivated soil conditioner. By applying the conditioner in cultivated soil, throughthe cooperation of all components and proportion, the bioactive state and chemical mobility of various heavy metals in cultivated soil can be collaboratively reduced, the diffusion risk of heavy metals in the cultivated soil is reduced, the absorption and conversion of crops on heavy metals in the soil are reduced, and safe eating of the crops is realized. The conditioner is wide in application range and can be used for paddy fields, dry lands and other cultivated lands.

The invention discloses recovery processing equipment for medical waste medicine bottles. The recovery processing equipment comprises a recycling box, wherein a power cavity is formed in the recyclingbox; two bilaterally symmetrical recycling cavities are formed in the power cavity; an inlet cavity with an upward opening and positioned on the upper sides of the recycling cavities is formed in thepower cavity; sliding cavities communicate between the inlet cavity and the recycling cavities; a sealing device is arranged in the inlet cavity; a screening device is arranged at a position communicating with the two sliding cavities and the inlet cavity; two disinfection devices positioned on the left side and the right side of the inlet cavity are arranged in the recycling box; a smashing device for smashing plastic medicine bottles is arranged in the recycling cavity on the left side; and a crushing device for crushing glass medicine bottles is arranged in the recycling cavity on the right side. According to the recovery processing equipment, the medicine bottles made of plastic and glass materials can be automatically distinguished for classified storage, and the risk of virus and bacteria diffusion can be effectively reduced by spraying disinfectant.

The invention discloses a medical wastewater treatment method and relates to the technical field of medical wastewater treatment. The medical wastewater treatment method comprises steps as follows: medical wastewater is collected and disinfected with a chemical disinfectant; the medical wastewater is subjected to primary filtration treatment to remove large-particle impurities; the pH of the medical wastewater is adjusted to 6.5-8; anaerobic-aerobic treatment is performed on the medical wastewater; flocculation and sedimentation are performed on the medical wastewater; the medical wastewater is discharged to reach the standard after complete precipitation, and precipitates are treated in a concentrated manner after being collected. According to the provided medical wastewater treatment method, firstly, the medical wastewater is disinfected and sterilized to kill pathogenic microorganisms in the medical wastewater, diffusion of the pathogenic microorganisms in the treatment process is avoided, secondary pollution caused by pathogenic microorganisms to medical wastewater in following batches is avoided, and the risk of diffusion of the pathogenic microorganisms is reduced. Disinfection and sterilization are performed in a chemical manner, the killing efficiency for the pathogenic microorganisms is high and the effect is good.

The invention belongs to the technical field of non-point source pollution repairing and particularly relates to cornstalk biochar with capacity of repairing nitrogen and phosphorus non-point source pollution and a repairing method. The cornstalk biochar is prepared from raw material components in parts by weight as follows: 50-200 parts of cornstalk charcoal and 0.1-0.5 parts of a microbial agent. The repairing method comprises steps as follows: preparation of the cornstalk biochar, application of the cornstalk biochar, crop planting and the like. The cornstalk is pretreated with a calcium chloride solution, so that the adsorptive property of the cornstalk is improved, nitrogen and phosphorus adsorbed on the stalk are subjected to concentrated treatment and degraded under the action of the microbial agent and microorganisms in soil, and the nitrogen and phosphorus non-point source pollution is efficiently repaired. According to the repairing method, the cornstalk biochar is adopted toperform partitioning interception on soil of an excrement accumulation area and farmlands surrounding the excrement accumulation area, the migration rate of nitrogen and phosphorus in the soil is reduced, and the problem of pollution is solved from the soil source.

The invention discloses an array substrate and a preparation method thereof, and a display device. The array substrate comprises a substrate body, an oxide semiconductor thin film transistor arrangedon the substrate body, comprising an oxide semiconductor active layer comprising a channel region and source and drain regions located on the two sides of the channel region, and a hydrogen-containinglayer in contact with the source and drain regions and being suitable for diffusing hydrogen into the source and drain regions. The array substrate can improve the reliability.

The invention discloses a system for treating medical wastewater, which relates to the field of medical wastewater treatment. The system for treating medical waste water of the present invention comprises water inlet pipe, water outlet pipe and the disinfecting pond connected in sequence, adjustment pond, redox pond, anaerobic pond, aerobic pond, flocculation sedimentation pond and sludge pond; Described water inlet pipe is connected to In the disinfection tank, the outlet pipe is connected to the flocculation sedimentation tank, and the adjustment tank is provided with a material pipeline connected to the sludge tank. The system disinfection pool for treating medical wastewater provided by the present invention is set before other treatment pools, and the medical wastewater is first sterilized to prevent pathogenic microorganisms in the medical wastewater from diffusing in the subsequent device during the treatment process and affecting the next batch of medical treatment. Wastewater causes secondary pollution and reduces the risk of pathogenic microorganisms spreading; chemical methods are used to kill pathogenic microorganisms, and the disinfection effect is good.

The invention discloses an epidemic prevention and control information system for dealing with an emergent public health event. The system comprises a cloud server, an intelligent terminal, a prevention and control information system, a first communication module and a mobile terminal, wherein the intelligent terminal is in communication connection with the prevention and control information system through the first communication module, and the intelligent terminal is used for collecting epidemic situation management and control information of monitoring personnel and sending the epidemic situation management and control information to the prevention and control information system through the first communication module; the prevention and control information system is in communication connection with the cloud server through the first communication module, and the prevention and control information system is used for processing the received multiple groups of epidemic situation management and control information and sending a processing result to the cloud server and the intelligent terminal through the first communication module; then the cloud server is in communication connection with the mobile terminal through the first communication module, and the cloud server is used for sending the received information to the mobile terminal. According to the invention, intelligent epidemic situation monitoring and intelligent prevention and control can be effectively carried out on the area in the epidemic situation period, so that the quality of epidemic situation prevention and control is ensured on the premise of reducing the labor intensity of epidemic situation prevention and control personnel.

The present invention relates to a serum-free full suspension culture method of duck tempusu viruses and an application of the duck tempusu viruses in vaccines. The serum-free full suspension culturemethod comprises the following steps: a duck tambusu virus strain is continuously passaged to virus-adapted cells in a suspension BHK-21 cell line and the adapted virus strain with the highest virus content is selected as a basic virus strain; after the suspension BHK-21 cells are resuscitated, a serum-free culture solution is used in a bioreactor for amplified culture; the suspension BHK-21 cellsafter the amplified culture are inoculated with the basic virus strain for continuous culture; glucose monitoring is performed every day after virus inoculation, when glucose in the culture solutionis 1-5 mmol/L, a nutrition package is supplemented; 48 hours after the virus inoculation, samples are taken every other 6 hours to calculate cell viability and when the cell viability is less than 50%, the virus culture solution is harvested; and the virus culture solution is repeatedly frozen, thawed, centrifuged and stored. The suspension BHK-21 cell culture is used, the viruses have good adaptability, virus content is high, operating cost is low, product quality is stable, and the method is easy to operate and has feasibility of large-scale industrial production.

The invention discloses a method for treating medical wastewater, and relates to the field of medical wastewater treatment. The method for treating medical wastewater provided by the present invention includes: collecting medical wastewater, and disinfecting it with chemical disinfectants; performing primary filtration treatment on the medical wastewater to remove large-particle impurities therein; performing heavy metal ion removal treatment on the medical wastewater; The medical wastewater is treated with anaerobic-aerobic treatment; the medical wastewater is treated by flocculation and sedimentation; after complete precipitation, the medical wastewater is discharged up to the standard, and the precipitation is collected and treated centrally. The method for treating medical wastewater provided by the present invention firstly sterilizes the medical wastewater, kills the pathogenic microorganisms in the medical wastewater, prevents the pathogenic microorganisms from spreading with the treatment process, and thus prevents the pathogenic microorganisms from causing secondary medical wastewater in subsequent batches pollution, and reduce the risk of the spread of pathogenic microorganisms; in the present invention, chemical sterilization is adopted, and the elimination efficiency of pathogenic microorganisms is high and the effect is good.

The invention provides a personnel evacuation system and method for epidemic situation, and the system comprises a central control processing center, an evacuation indication device, and a control device which transmits the collected crowd density information to the central control processing center; the central control processing center generates control information according to the crowd densityinformation, and the evacuation indication device displays crowd waiting time of different areas according to the control information. The crowd waiting time of different regions is estimated by collecting the crowd density information of different regions, so that crowd aggregation can be reduced in an epidemic situation environment, crowds can be evacuated quickly and safely, the epidemic situation diffusion risk is reduced, the automation degree is high, personnel layout can be reduced, and the traffic efficiency is improved.

The invention discloses a medical waste recycling station, the structure of which includes a dispensing device located at the front end for receiving protective clothing and masks, and the dispensing device is provided with a discarding device and a separation mechanism for separating masks and protective clothing. One side of the delivery device is fixed with a transportation and packaging device for sorting and packaging masks and protective clothing. The transportation and packaging device is equipped with a transportation and dumping mechanism and a bagging and packaging mechanism for transporting medical waste to the next step. The transportation and dumping mechanism It includes a recovery bucket power mechanism for transshipment, and a recovery bag expansion mechanism for expanding the recovery bag is provided in the bagging and packaging mechanism. The right side panel of the device, the other end of the transportation and packaging device is fixed with a waste take-out box for taking out the packaged medical waste, and a take-out box door is set on one side of the waste take-out box, so as to realize the classification and recycling of masks and protective clothing and pack.