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

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 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 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 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 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 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 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.

The invention belongs to the field of education supplies, and specially designs a healthy and sanitary color and shape recognizer for infants. The healthy and sanitary color and shape recognizer for infants comprises a bottom panel, a circular column, an equilateral triangular column, a square column, a hexagonal column and an oval column, and building blocks in shapes corresponding to the shapes of the columns are arranged. The healthy and sanitary color and shape recognizer is characterized in that the bottom plate, the circular column, the equilateral triangular column, the square column, the hexagonal column and the oval column are all made of antibacterial nylon. The recognizer is simple in structure and convenient to use; the recognizer can help the infants to recognize colors and shapes effectively; the recognizer is made of antibacterial nylon, so that the health of the infants can be ensured; and the recognizer is low in manufacture cost and convenient for popularization and application.