62results about How to "Threat to health" patented technology

The invention discloses a textile cloth dedusting device, which comprises a device body, openings are opened on both sides of the device body, and two symmetrical rollers are fixedly installed on the left end of the device body, between the two rollers room set with textile fabrics. The textile fabric dedusting equipment can drive the first rotating shaft and the second rotating shaft to rotate through the provided first pulley and the second pulley under the action of the motor, so that the two rolling brushes can simultaneously clean the upper surface and the second rotating shaft of the textile fabric. The lower surface is cleaned to effectively remove the cotton dust, cotton wool and other dust adhering to the textile fabric, achieving a comprehensive cleaning effect. Through the suction pipe set, under the action of the fan, the dust cover can The cotton dust, cotton wool and other dust cleaned by the rolling brush can be effectively absorbed, which prevents the cotton dust, cotton wool and other dust cleaned by the rolling brush from being scattered inside the equipment body, causing re-contamination of the textile fabric, and ensuring the cleaning efficiency.

The invention discloses a rubbish recycling treatment device. The rubbish recycling treatment device comprises a shell body, the midpoint position of the top of the shell body is provided with a material feeding mouth, the positions, corresponding to the material feeding mouth, of the top of the shell body are fixedly connected with material feeding baffles, and the positions, located on the leftside and the right side of the material feeding mouth, at the top of the inner wall of the shell body are both fixedly connected with arc-shaped concave blocks. According to the rubbish recycling treatment device, by means of mutual coordination of the arc-shaped concave blocks, smashing teeth, a smashing motor, a smashing rotating shaft, a smashing gear, a squeezing box, a triangular block, firstfilter plates, vibrators, ultraviolet sterilizing lamps, cutting motors, cutting rotating shafts, cutting blades, a threaded rod, a driven bevel gear, a forward and reverse motor, a forward and reverse rotating shaft, a driving bevel gear, a threaded sleeve, a first stretching and contracting rod, a fixed plate, a pulverizing wheel and a supporting spring, the function that the rubbish treatmenteffect is good is achieved, solid-liquid separation can be effectively performed on rubbish, the situation that the rubbish breeds germs and threatens health of staff is avoided, and subsequent rubbish incineration operations are greatly facilitated.

The invention relates to a paint room with a paint production waste gas treatment system, and a paint production waste gas treatment method. The paint production waste gas treatment system comprises a waste gas treatment chamber communicated with a paint room body. A first longitudinal channel communicated with a waste gas outlet at the bottom of the paint room obey, a second longitudinal channel communicated with the top of the first longitudinal channel, a third longitudinal channel communicated with the bottom of the second longitudinal channel, and an exhaust hole arranged at the top of the third longitudinal channel are arranged in the waste gas treatment chamber. A first spray unit is disposed in the first longitudinal channel. A second spray unit is disposed in the second longitudinal channel. A third spray unit is disposed in the third longitudinal channel. Activated carbon filter cotton is disposed at the exhaust hole. three spray treatment procedures and one activated carbon filtering procedure are added to treat the paint production waste gas, so that paint mist and peculiar odors in the paint production waste gas are removed completely, no paint mist or peculiar odors are present in the exhausted gas and pollution of atmospheric environment and threat on human health are avoided.

The invention discloses a hazard-free treatment technology for electrolytic manganese residues. The technology comprises the following steps: washing the manganese residues in a high-pressure manner by using slurry water, and basically enabling the manganese residues to form slurry liquid; injecting the manganese residue slurry liquid into a filter chamber of a membrane press filter to be filtered to obtain a filter cake, and performing two-section acid leaching on the filter cake under a prepressing state; keeping the prepressing state, and injecting multi-stage washing liquid into the filter chamber to be washed in a multi-section manner; injecting alkali liquid of which the pH is 9 to 10.5 into the filter chamber to solidify manganese ions, and inflating the air into a filter liquid passage in a stage manner during the solidifying treatment; performing the high-pressure press filtering on substances in the filter chamber, and after the solidifying treatment is finished, discharging the residues. Through the adoption of the technology provided by the invention, the soluble manganese ions in the electrolytic manganese residues can be further extracted, and at the same time, the manganese ions in the filter cake are converted into the insoluble manganese to be deposited, so that the remained manganese ions in the waste residues cannot be permeated into the ground surface or the underground water to pollute the underground water resources in the stacking process.

The invention relates to a pickling, cleaning and sterilizing production line for eggs. The production line comprises a support, wherein a pre-sterilization device, a primary cleaning device, a secondary cleaning device, a drying device and a post-sterilization device are all arranged on the support; the pre-sterilization device comprises a conveying belt; a sterilization protection hood is arranged on the conveying belt in a covering manner; a plurality of ultraviolet lamps used for egg sterilization are arranged at the upper part of the sterilization protection hood; the primary cleaning device includes a mesh conveying belt; the secondary cleaning device includes a plurality of spiral brush rollers arranged on one side of the mesh conveying belt; the drying device also comprises a drying hood arranged above a plurality of rollers; a transparent glass layer is arranged at the upper part of the drying hood; the post-sterilization device includes a sterilization conveying belt arranged on one sides of the rollers; a plurality of material stopping plates are arranged on the sterilization conveying belt; an ozone sterilization device is arranged above the sterilization conveying belt. The production line can perform sterilization treatment on eggs to a greatest extent and can ensure that the eggs are healthy and working staff work in a good environment.

The present invention aims to provide a tablet medicine cassette for a device for wrapping medicine, which can detect and resolve a jam when the jam occurs inside the tablet medicine cassette while discharging tablet medicine, and relates to a method for operating same. To this end, the tablet medicine cassette for the device for wrapping medicine of the present invention comprises: a cartridge which is provided with a space for accommodating the tablet medicine, and a discharging means for discharging the tablet medicine; a cartridge base on which the cartridge is mounted; and a vibration factor for vibrating the cartridge when the tablet medicine cannot be discharged despite the tablet medicine remaining inside the cartridge.

The invention discloses a radiation protection weather-resistant flame-retardant cable jacket material and a preparation method thereof. The radiation protection weather-resistant flame-retardant cable jacket material is prepared from the following raw materials in parts by weight: 60 to 70 parts of compound resin, 7 to 11 parts of radiation protection additives, 4 to 6 parts of rare-earth oxide,1 to 3 parts of titanium dioxide, 3 to 5 parts of heat-expansion graphite, 7 to 9 parts of compound flame-retardant agent, 6 to 8 parts of coupling agent, 4 to 8 parts of mixed fibers, 7 to 9 parts ofprocessing aids, 2 to 4 parts of heat stabilizer, 1 to 3 parts of zinc stearate, 2 to 4 parts of calcium carbonate, and 5 to 9 parts of filler. The radiation protection weather-resistant flame-retardant cable jacket material has good radiation protection performance, good mechanical characteristics, corrosion resistance, antioxidant performance and high temperature resistance, and good weather resistance and flame-retardant performance; and meanwhile, the preparation method is low-cost, the raw materials are easy to obtain, a process is distinctive, and good application prospect and high practical value are achieved.

The invention discloses a wall-mounted washing machine and a drying assembly thereof. The drying assembly is arranged inside the housing of the wall-mounted washing machine, and comprises an air duct housing, a fan and a heating component, wherein an air duct is confined in the air duct housing; an air duct outlet communicated with air outlet is formed in one end of the air duct; the fan is connected with the air duct housing; the inner cavity of the fan is communicated with the air duct; the heating component is arranged inside the air duct and connected to the air duct housing. According to the drying assembly of the wall-mounted washing machine, provided by the embodiment of the invention, a high-temperature airflow is blown out from the air duct through matching of the fan and the heating component, and small daily articles are put at the air duct outlet and dried, so that the small daily articles can be prevented from breeding bacteria to threaten the body health of a user; in addition, the drying assembly is simple in structure and easy to operate.

The invention discloses a micropterus salmoides seedling transport case and a method for achieving micropterus salmoides seedling transportation. The transport case comprises a case body, a fry layer,an aeration layer and a filtering layer are sequentially arranged inside the case body from top to bottom, the fry layer and the aeration layer are communicated through a filter plate, and the aeration layer and the filter layer are separated through a partition plate; a tubular aerator, a first inclined plate and a second inclined plate are arranged inside the aeration layer, the higher ends ofthe first inclined plate and the second inclined plate are fixedly connected and are of a V-shaped structure, the lower ends extend in the opposite direction, the tubular aerator is arranged at the joint of the first inclined plate and the second inclined plate, and the tubular aerator is connected with a fan outside the case body. By adopting the structure, excrement, secretions and the like generated by fry can be completely supplied into the filtering layer from the fry layer and the aeration layer, the phenomenon that the water quality is affected due to the fact that excrement, secretionsand the like remain in the fry layer and the aeration layer for a long time is avoided, and fry health is threatened.

The invention discloses a preparation method of high-purity difluoroethanol, aiming at solving the problems that an azeotrope agent impurity is introduced in a process of preparing the difluoroethanol through an azeotropic distillation method and the purity of a product is low. The preparation method comprises the following steps: (1) conveying a mixture of difluoroethanol and water into a first packed distillation tower and separating, wherein a tower top fraction is a difluoroethanol / water azeotrope with relatively high difluoroethanol content and a tower kettle fraction is water; (2) conveying the tower top fraction of the first packed distillation tower into a second packed distillation tower and separating, wherein a tower top fraction is a difluoroethanol / water azeotrope with relatively low difluoroethanol content; circulating the tower top fraction to the first packed distillation tower, wherein a tower kettle fraction is difluoroethanol. The preparation method of the high-purity difluoroethanol, disclosed by the invention, is applicable to a difluoroethanol crude product which is obtained in a production process of the difluoroethanol through a difluoroethyl acetate and methanol ester separation exchange method or a 1-chloro-2,2-difluoroethane hydrolysis method.

The invention discloses a container with the function of cleaning animal living waste. The container includes a rectangular base. An upper surface of the rectangular base is fixedly connected with a rectangular box. The interior of the rectangular box is equipped with an animal feeding mechanism and an animal-waste cleaning mechanism. A side surface of the rectangular box is provided with a rectangular opening. The side surface of the rectangular box is equipped with a rectangular barrier door which is matched to the rectangular opening. A side surface of the rectangular barrier door is provided with a plurality of cross-bars. One end of an upper surface in the rectangular box is fixedly connected with a screen support. The interior of the screen support is equipped with a storage battery. According to the invention, the structure of the container is novel. The container can effectively help people to feed animals in transport and at the same time clean up animal wastes which produce plenty of bacteria during placement and threaten animal health. The container has excellent ventilation effects and high practicability.

The invention discloses a wood preservative modification treatment method. The wood preservative modification treatment method is characterized in that wood is treated by using a chemical agent containing quercetin and oxalic acid, wherein the quercetin is grafted to the cell wall of the wood through the oxalic acid. The specific method comprises the steps that 5-20 parts of quercetin and 2-50 parts of oxalic acid are weighed and dissolved in 150-300 parts of absolute ethyl alcohol, 0.4-2 parts of p-toluenesulfonic acid is added, and the chemical agent for treating wood is formed; the wood tobe treated is soaked for 48-96 h at normal temperature and normal pressure; and the impregnated wood blocks are placed in the environment of 120 DEG C to be treated for 2-8 h. According to the method,effective chemical bond combination can be formed between quercetin and wood cell walls, the durability of wood is improved, the loss resistance of the wood is improved, the technical problem that quercetin serving as a botanical natural antibacterial component is difficult to fix and easy to lose in the wood is solved, and the application of quercetin in the technical field of wood preservationis expanded.

The invention discloses an intelligent security system of a school bus. The intelligent security system of the school bus comprises an information storage unit, an authentication unit, a door lock unit, an information acquisition unit, a display unit and a control unit. The control unit performs matching on received user identity information sent by the authentication unit and identity information of a security user stored in the information storage unit, and controls the motion of the door lock unit according to the matching result; the control unit obtains the current running route of the school bus through a route acquisition unit and performs a comparison on the running route and a predetermined route, when the comparison result shows that the school bus deviates from the predetermined route, the control unit obtains the acquisition result of the information acquisition unit, and performs matching with the identity information of the security user stored in the information storage unit, and if the matching fails, the control unit sends a message that the identity information of the driver of the school bus is abnormal and shares the identity information acquired by the information acquisition unit to a network cloud for storage through the network.

The invention relates to a method of synthesizing artificial soil on the basis of algal mud. The artificial soil is prepared from the following ingredients including the algal mud, fly ash, straws, pH regulators, buffer agents, chelates and microbial preparations, wherein the mass percentage of the algal mud is 5 to 10 percent; the mass percentage of the fly ash is 80 to 90 percent; the mass percentage of the straws is 5 to 10 percent; 0.01 to 1000g of pH regulators, 0.01 to 1000g of buffer agents, 0.01 to 500g of chelates and 0.05 to 500g of microbial preparations are added in one ton of the mixture of the algal mud, the fly ash and the straws. The method overcomes the defects of low blue-green algae dewatering concentration efficiency, complicated detoxification process, low resource utilization rate and the like. The fly ash and the blue-green algae are mixed and ground, so that the moisture of the blue-green algae can fast enter the fly ash; then, open air aging and stabilization are performed. A great number of organic matter in the blue-green algae take a humification effect; the formation of artificial soil aggregate structure is promoted; partial organic matter takes a mineralization effect; various nutrients can be decomposed and released; the method of using the algal mud to produce the artificial soil has better economical performance and high operability.

The invention discloses a weather-resistant fireproof elastic cable material for a charging pile and a preparation method thereof. The weather-resistant fireproof elastic cable material for the charging pile is prepared from the following raw materials in parts by weight: 50 to 70 parts of complex elastomer, 20 to 30 parts of property enhancing polymer, 10 to 14 parts of flame retardant additive,5 to 7 parts of nano-additive, 8 to 10 parts of auxiliary adhesive gel, 7 to 9 parts of processing aid, 8 to 10 parts of enhancing fibres, 5 to 7 parts of graphene, 2 to 4 parts of coupling agent, and1 to 2 parts of vulcanizing agent. The weather-resistant fireproof elastic cable material for the charging pile has high toughness and excellent fireproof and flame retarding performance; the material has good heat resistance, weather resistance and corrosion resistance, high tensile strength and good insulating property; meanwhile, the preparation method of the weather-resistant fireproof elastic cable material for the charging pile is low in cost, raw materials are easily obtained, and a process is distinct; therefore, the weather-resistant fireproof elastic cable material for the chargingpile has good application prospect and higher practical value.

The invention belongs to the technical field of disinfectants, and relates to a two-component gel slow-release chlorine dioxide disinfectant as well as a preparation method and application thereof. Comprising a gel main agent and a solid activator, the raw materials of the gel main agent comprise gelatin, chlorite, an alkaline compound, a preservative and water, and the solid activator is selected from one or more of sodium diacetate, citric acid, 2-acrylamide-2-methylpropanesulfonic acid and itaconic acid; the mass ratio of the gelatin to the chlorite to the alkaline compound to the preservative to the water to the solid activating agent is 11 to (0.5 to 3.0) to (0.1 to 0.8) to (0.1 to 0.8) to (25.0 to 75.0) to (0.6 to 5.0). When in use, the solid activating agent is added into the gel main agent, an activating reaction is carried out at room temperature, and chlorine dioxide gas is slowly released. The activated bi-component gel slow-release chlorine dioxide disinfectant is placed in a relatively closed place to disinfect ambient air.

The present application relates to treatment equipment for a waste gas. After the waste gas is treated by water spraying, the treated gas enters a connection place of a next processing chamber, a firedamper is arranged, when a sensing device arranged in the processing chamber and connected with the fire damper senses that processing temperature reaches 70 DEG C, the fire damper is closed to prevent fire of a front-end gas supply pipeline and the interior of a factory caused by fire during treatment, and greater loss is avoided; and in addition, an automatic spraying device is arranged at thetop of the processing chamber, and when the temperature of the processing chamber is higher than 60 DEG C, the spraying device is triggered to spray water to the processing chamber to reduce the temperature of the processing chamber. The equipment provided by the invention has the following beneficial effects: oil mist and odor are fully removed to ensure that discharged air does not contain the oil mist or the odor, so that pollution to the atmospheric environment and threat to human health are avoided; and the equipment has a good fireproof treatment device, thereby avoiding a risk generatedby fire.

The invention discloses a portable air partitioning and generating device for doctor-patient separation. The device includes a casing, as well as a fan, a drainage cover, an ultraviolet lamp tube, a filter net, an air outlet groove and a controller which are arranged in the casing, wherein the casing is fan-shaped, an air inlet is formed in the casing, the filter net is arranged on the inner side of the air inlet, the arc-shaped air outlet groove is formed in the arc-shaped surface of the fan-shaped casing, the ultraviolet lamp tube is arranged on the inner side of the air outlet groove, and the drainage cover is arranged between an air outlet of the fan and the air outlet groove of the casing. During the use, the device is usually placed on a working table in a consulting room or working station of a hospital and between a doctor and a patient, so that airflows generated by the fan pass through the drainage cover and are blown out through the air outlet groove to form an air partition between the doctor and the patient, which can separate the doctor from the patient and prevent viruses and bacteria from being spread through air.

The invention discloses a power battery case grinding device. The power battery case grinding device comprises a bottom plate and sliding blocks. Water tanks are fixedly connected to the left and right ends of the top of the bottom plate. Suction fans are fixedly mounted at the left and right ends of the top of the bottom plate and located in the corresponding water tanks. Supporting plates are fixedly connected to the left and right ends of the top of the bottom plate and located on the inner sides of the corresponding suction fans. Fixed rods are fixedly connected to the lower ends of the inner sides of the supporting plates. The air inlet ends of the suction fans communicate with suction pipes through pipes. The ends, far away from the air inlet ends, of the suction pipes are provided with suction ports. The air outlet ends of the suction fans communicate with the lower ends of inner cavities of the corresponding water tanks through pipes. Under the action of the bottom plate, the supporting plates, carrying plates, motors, grinding disks, electric telescopic rods, connecting plates, first fixed plates, springs, sliding grooves and the sliding blocks, the problems that an existing grinding device is poor in grinding effect, cannot conduct comprehensive grinding, is low in working efficiency and brings inconvenience to working staff in the using process are solved.

The invention discloses a fruit juicer capable of intelligently analyzing and removing toxins. The fruit juicer comprises an intelligent juicer body, a rotating cavity is formed in the intelligent juicer body, a cleaning device is arranged in the rotating cavity, and the cleaning device internally comprises a cleaning box rotationally arranged on the lower side in the rotating cavity. According tothe invention, fruits are firstly cleaned and then juiced; bacteria on the surfaces of fruits and in cleaning water are killed through an ultraviolet sterilization device, then fruit wax on the surfaces of the fruits is removed through washing liquid, the fruits are chopped through the chopping device, the chopped fruits are juiced, and therefore the fresh and clean fruit juice beverage is obtained; a common fruit juicing device cannot kill bacteria on the surface of a fruit and remove fruit wax on the surface of the fruit, so that an unclean fruit juice beverage is obtained, the drinking experience of a user cannot be well protected, and the health of the user is threatened.

The invention discloses a safety and environment-friendly cutting machine, which comprises a workbench, four outriggers are evenly and symmetrically arranged at the bottom of the workbench, a shock absorbing device is arranged at the bottom of the outriggers, and the top of the workbench is fixedly arranged sequentially from left to right The material propulsion device, the first material fixing device, the cutting device and the second material fixing device, the cutting device includes a cutting box and a cutting mechanism inside the cutting box. The beneficial effects of the invention are: when the cutting machine is working, the sparks and noises generated when the cutting saw is in contact with the material to be cut are greatly reduced or eliminated, and the metal or non-metal waste generated by cutting will not spread around, threatening The health of the staff, at the same time, the setting of the shock absorbing device makes the cutting machine work, the maximum reduction or elimination of the vibration of the cutting machine, thereby avoiding the damage of the internal parts of the cutting machine, which greatly prolongs the life of the cutting machine. service life.

The weather in the north is cold in winter, and the water freezes below zero. Especially, ice cones often appear on the eaves of some houses and buildings. People often walk under the eaves. The ice cones are always threatening people's lives and health. With regard to the current technology, the deicing cone has only manual methods, which is both dangerous and inefficient. The method of the present invention comprises: moving the trolley (1), the top of the mobile trolley is connected to the hydraulic combination pump station (2) and the bottom of the scissor support (3), the top of the scissor support is connected to the upper table (4) One end of the upper table is connected to the telescopic table (5), one end of the telescopic table is connected to the bottom of the telescopic rod (1) (6), and the top of the telescopic rod (1) is connected to the console (7) , the operating table is connected to the bottom of the telescopic rod (2) (10) and connected to the console, the top of the telescopic rod (2) is connected to one end of the telescopic rod (3) (11), and the telescopic rod (3) One end is connected with the heating wire (12), one end of the operating table is connected with the heating tank (8), and the bottom of the heating tank is connected with the downpipe (9).

The invention discloses an implanted electronic device with a sound prompting function and a medical system. The implanted electronic device comprises a microprocessor system module and a sounding warning module, wherein the sounding warning module is connected with the microprocessor system module, and when a system has a fault or is abnormal, the sounding warning module can send out audible sound. Compared with the prior art, the implanted electronic device and the medical system have the advantages that patients can be notified in time through the audible sound that the implanted medical system has the fault or is abnormal, the patients can take measures in time or notify doctors to take measures for eliminating the fault or the abnormity after hearing the sound, the fault or the abnormity is eliminated as soon as possible when being found, and the harm to the health of the patients caused by the occurrence of more serious accidents is avoided.

The invention discloses a separation method of a difluoroethanol-water azeotrope, and mainly solves the problems of introduction of a third impurity and low separation purity in the azeotropic distillation. The method adopts a rectification tower and a pervaporation device, and comprises the following steps: (1) a difluoroethanol-water mixture enters a rectification tower to be separated, wherein the overhead fraction is a difluoroethanol-water lowest azeotrope, and the tower bottom fraction is the difluoroethanol product; and (2) the tower bottom fraction of the rectification tower enters the pervaporation device to be separated, water at the liquid side previously penetrates through the membrane to enter the membrane, and the retentate is circulated to the rectification tower after being condensed, wherein the infiltrate is pure water. The method does not introduce the third substance, and has the advantage of high product purity.

The invention discloses a livestock salt feeding device for a smart farm. The livestock salt feeding device comprises a floor, a uniform discharging part and a feeding and cleaning part, wherein the floor is placed on the ground, the uniform discharging part and the feeding and cleaning part are fixedly installed on the upper end face of the floor, and the uniform discharging part is located on the side face of the feeding and cleaning part; and salt fed to the livestock is evenly distributed through the uniform discharging part, and the salt placing part in the uniform feeding part is pushed out in a stepped mode through the feeding and cleaning part so that the salt can be eaten by different livestock in a farm. According to the livestock salt feeding device for the smart farm, different livestock can eat salt, meanwhile, the using amount is accurately grasped, the eaten salt is treated in time, manpower and material resources are saved, and meanwhile healthy growth of the livestock is promoted.

The invention discloses a waste paper packaging machine. The machine comprises a feeding box, a spraying device is arranged on the inner wall of the feeding box, a closed feeding device is connected above the feeding box, the feeding device comprises a feeding opening, a feeding pipeline, a hopper and a draught fan used for sucking waste paper into the feeding device, wherein the feeding opening,the feeding pipeline, the hopper and the draught fan are connected in sequence, the hopper is vertically placed, the discharging end of the hopper is connected with the feeding box, a compression cavity is arranged below the feeding box, a tool cavity and a paper outlet cavity which are connected with the compression cavity are formed in the two sides of the compression cavity, a propelling mechanism is arranged in the tool cavity, a first guide rail used for guiding the propelling mechanism to advance is arranged in the compression cavity, a baffle mechanism capable of moving is arranged at the joint of the compression cavity and the paper outlet cavity, the propelling mechanism carries out propelling in the direction, facing the baffle mechanism, of the first guide rail so as to compresswaste paper in the compression cavity, and a dust collector used for cleaning the first guide rail is arranged in the tool cavity. According to the waste paper packaging machine, dust escaping duringwork can be avoided, meanwhile, the baffle mechanism is added, and compression is more thorough.

The invention discloses an electronic toilet seat cover, an intelligent toilet seat and an environment pollution prevention method thereof. The electronic toilet seat cover comprises a machine body, an upper cover and a seat ring, wherein the upper cover and the seat ring are arranged on the machine body; an isolation mechanism is arranged on the machine body, the isolation mechanism comprises a power unit and an isolation part, the isolation part is driven by the power unit to achieve switching between an unfolding state and a folding state, and the isolation part is located between the seat ring and the toilet seat body below the seat ring in the unfolding state and covers a urinal opening of the toilet seat body. The isolation mechanism does not consume water resources in the using process, and the concept of energy conservation and environmental protection is met. The isolation part is located between the seat ring and the toilet seat body below the seat ring in the unfolded state, the seat ring can be isolated and protected, the seat ring is prevented from being polluted by excrement droplets and excrement aerosol, and therefore the excrement droplets and the excrement aerosol are prevented from being spread to other people through the seat ring; and the seat ring is easier and more convenient to clean.

The invention relates to a method for removing residual tetracycline in pharmaceutical wastewater, and particularly relates to a method for removing residual tetracycline in pharmaceutical wastewaterby using MnO2 supported graphene after flocculation. The method comprises the following steps: firstly, pretreating graphene, then preparing the MnO2 supported graphene by utilizing the pretreated graphene, finally, adding the obtained MnO2 supported graphene into pharmaceutical wastewater obtained after flocculation, and then a static adsorption method is carried out. The method provided by the invention has a good environmental protection effect, the preparation method is unique and simple, and the adsorption material has the characteristics that hydrophilicity is excellent, the number of adsorption sites is large, preparation is easy, a selective adsorption property is achieved, and the like.

The invention belongs to the technical field of medical waste, and particularly relates to a movable high-temperature cooking and sterilizing treatment square cabin for medical waste. The movable high-temperature cooking and sterilizing treatment square cabin comprises a placing plate; a fixing plate is arranged on one side of the surface of the placing plate; a treatment square cabin is arranged on the surface of the fixing plate; and a cover is arranged on the top of the treatment square cabin. Smashed garbage is put into the treatment square cabin, then water is injected into the treatment square cabin through a second water pipe, and then a storage battery supplies power to a connecting plate, so that the connecting plate drives a heater to work, the heater heats the water, and the water is in a boiling state after being heated all the time; and the medical waste in the treatment square cabin is subjected to high-temperature cooking and sterilizing treatment, the situation that bacteria exist on the surface of the medical waste, consequently, waste treatment personnel are affected, the body health of the waste treatment personnel is threatened, meanwhile, the bacteria flow out, and pollution to the environment and the like is caused is prevented, and some unnecessary troubles can be reduced after treatment.