150results about How to "Protect health and safety" patented technology

A rodenticide in the form of smoke fumigant without environmental pollution is prepared from nitrate, sulfur, saw dust, tar and diesel oil through proportionally mixing, loading in paper tube and adding spill. Its advantages are high effect, no secondary poisoning, and high safety.

The invention discloses an automatic dispensing robot which comprises a crawler belt walking mechanism, and a dispensing mechanism mounted on the crawler belt walking mechanism. The crawler belt walking mechanism comprises a triangular support, a driving wheel, a guide wheel, a tensioning wheel and a crawler belt. The triangular support is vertically arranged, and the driving wheel, the guide wheel and the tensioning wheel are arranged on the three top corners of the triangular supports correspondingly. The dispensing mechanism comprises an intelligent control system, a mechanical arm, a recognition module and a storage battery, the intelligent control system and the recognition module are electrically connected with the storage battery, and the recognition module, the mechanical arm and the intelligent control system are electrically connected in sequence. According to the automatic dispensing robot, medicine and medicine tool pollution can be avoided, the body of an operator is protected, and time is saved for the operator.

The invention discloses an environmentally friendly and rapid mounting construction method for rapidly mounting shield tunnel electromechanical equipment pipelines. A segment bolt penetrates through prefabricated hole positions in shield segments to connect and fix the adjacent shield segments; by using parts, exposed out of the shield segments, of the segment bolt, assembled lugs are mounted on the shield segments; and an arc toothed external slide groove penetrates through the cavity of the assembled lug to be formed in the internal side of an arc of the shield segment in the circumferentialdirection of the shield segment. As all parts are mounted in an assembled manner without drilling holes in tunnel segments, the construction speed is high, the integrity of a tunnel structure is notdestroyed, the environmentally friendly and rapid mounting construction method replaces a traditional perforation and steel implantation process, the service life of the tunnel structure is prolonged,the mounting mode is comparatively flexible and convenient, the tunnel structure can be arranged according to actual needs, and the construction and maintenance cost can be reduced; and according tothe environmentally friendly and rapid mounting construction method for rapidly mounting the shield tunnel electromechanical equipment pipelines, waste water, waste gas and waste slag are not generated in the construction process, noise pollution and dust pollution are not generated in the construction process, and the health and safeties of construction personnel are protected.

The invention relates to the technical field of livestock fodder processing and discloses a uniform and impurity-free fodder processing device used in the animal husbandry. The uniform and impurity-free fodder processing device comprises a base, wherein a supporting frame is fixedly installed at the top of the base, a stirring box located on the inner side of the supporting frame is fixedly installed at the top of the base, a hydraulic cylinder is fixedly installed at the top of the supporting frame, a piston rod is fixedly installed on the left side of the hydraulic cylinder, a connecting block is fixedly installed at the end, away from the hydraulic cylinder, of the piston rod, a motor is fixedly installed on the left side of the connecting block, a sliding block is fixedly installed at the bottom of the motor, a connecting plate located at the top of the supporting plate is fixedly installed at the bottom of the sliding block, a rotary shaft extending into the cavity of the stirring box is fixedly installed at an output shaft of the motor through a coupler, and the outer side of the rotary shaft is in sleeved connection with a bearing seat. The uniform and impurity-free fodder processing device used in the animal husbandry is high in fodder stirring efficiency and convenient to operate, makes fodder processing more uniform and ensures that livestock are healthy and safe.

The invention belongs to the technical field of materials, and discloses a method for synthesizing [H2Nmim][NTf2]@UiO-66-Br nanocomposite material, wherein the material comprises bromine-functionalized Zr-MOFs(UiO-66-Br) and an amino-functional imidazole-based ionic liquid ([H2Nmim][NTf2]) supported thereon. The invention also discloses application of the nanocomposite material for the extractionand enrichment of sulfonamide antibiotics in a water sample prepared by dispersive solid phase microextraction technology (DSPME). The nanocomposite material of the invention has been successfully applied to the extraction and analysis of sulfonamide antibiotics, which can be completed in a short time using only a small amount of adsorbent and samples, and has the characteristics of fast, sensitive, efficient and economical application. The invention can also screen, design and regulate the adsorbent according to the structure of the target analyze, provides a new idea for the analysis of other environmental pollutants, and has important significance for protecting the health and safety of the public and the environment.

An additive and the preparing way for the addative of a surface pickler for a special steel is provided. The portions of raw materials and weight for the additive are: Diethylenetriamine 5-9 portions, chromized reducer 12-18 portions, detergent 20-24 portions, Nitrilotriacetic acid or HEDP 7-9 portions, potassium chlorate or sodium chlorate 7-12 portions, clean tap water 49-32 portions; the chromized reducer comprises Triethanolamine, formaldehyde and aqueous ammonia. The producing way for the additive is: first the tap water is put into a reaction vessel; then the potassium chlorate or sodium chlorate is added to react for about 10 min; the Nitrilotriacetic acid or HEDP is added to react evenly; the detergent and the Diethylenetriamine are added, and mixed evenly; then the chromized reducer is added and mixed to become a thick colorless liquid. The additive will be added in 1% of volume of aqua regia or mixed acid working liquid; when the temperature of the pickling work fluid rises to 60-80 centigrade, the rate for suppressing acid mist is more than 80%, the corrosion-retarding rate is more than 95%; the eight processes, namely prickling, degreasing, dephosphorizing, passivating and protection, etc. are completed in one operation. The additive can completely substitute highly toxic hydrofluoric acid and can passivate and protect jobs without passing through any acid, can greatly improve the surface roughness and corrosion resistance up to 3 times.

The invention discloses a civil aviation transportation intelligent logistics storage and distribution mobile workbench. The civil aviation transportation intelligent logistics storage and distribution mobile workbench comprises a bottom plate, a positioner, a monitor, a signal transmitter and an intelligent positioning and monitoring system. In the transportation process, when a lithium battery placed in a containing groove is heated and catches fire, heat can be transmitted into an air bag through a heat conduction plate, heated gas easy to expand in the air bag expands, a fire extinguishing agent placed in an inner groove is extruded into a pipeline through expansion of the air bag, the fire extinguishing agent enters spray heads, the fire extinguishing agent extrudes baffles through expansion of the air bag, the fire extinguishing agent is in a mist shape when sprayed out through spraying openings through the side walls of the baffles, the elastic force of reset springs and the outer side walls of the spray heads, rapid and sufficient fire extinguishing is conducted on lithium batteries in a fire disaster in containing grooves through the mist fire extinguishing agent, the fire extinguishing efficiency is guaranteed, the larger-range fire hazard caused by untimely fire extinguishing is prevented, the health and safety of personnel are protected, and the economic loss is reduced.

The invention provides a vacuum system field calibration method based on wireless transmission. The method includes the following steps: using one or more wireless vacuum gauges to measure the vacuumdegree at one or more positions in an environment to obtain vacuum data related to the vacuum degree of the environment; carrying out signal processing on the vacuum data to form a wireless signal suitable for wireless transmission; and receiving the wireless signal and inversely processing the wireless signal to obtain the vacuum data of the environment, so as to realize the monitoring of the vacuum degree of the environment. By using the method and the system of the invention, the technical advantages such as low cost, low power consumption, high transmission efficiency, simple software design and reliable machine communication stability can be achieved.

The invention relates to prefabricated drilling equipment for a cement wall surface for a building. The prefabricated drilling equipment for the cement wall surface for the building comprises movablerod fixed plates, a first limit baffle, a first motor, a second motor, a drill bit installation sleeve, a transmission box, a third motor and movable wheel devices, wherein four movable wheel devicesare arranged, and fixedly arranged on a lower end surface of a fixed support plate; the first limit baffle is welded to a left side surface of a vertical plate, and arranged at the upper end of a lifting hole; the first motor is fixedly arranged on a first motor fixed rod; two movable rod fixed plates are arranged, and welded to the two sides of the upper end of the vertical plate; the second motor is fixedly arranged at the upper end of a bearing plate, and arranged at the left side of a movable hole; the transmission box is welded to the lower end of a connection rod; the third motor is fixedly arranged on a left side surface of the transmission box; and the drill bit installation sleeve is welded to the right end of a rotary shaft. The prefabricated drilling equipment for the cement wall surface for the building is environment-friendly in use; drilling can be realized only by adjusting a drilling position by working personnel instead of holding by the working personnel with hands ina whole drilling process, so that the labor intensity is lowered, and the drilling efficiency is increased.

The invention belongs to the technical field of soil remediation, and discloses a mercury contaminated soil remediation agent and a preparation method thereof. The mercury-contaminated soil remediation agent comprises 20-30 parts of diopside, 3-8 parts of sodium dimethyl thiocarbamate, 10-18 parts of lime, 15-25 parts of chitosan, 5-10 parts of sodium thiosulfate, 10-22 parts of sepiolite, 8-15 parts of pig manure, 5-10 parts of plant ash and 4-8 parts of pig bone ash. According to the invention, the diopside and the sodium dimethyl thiocarbamate are cooperatively used to fix and stabilize mercury in soil, and the lime, the chitosan, the sodium thiosulfate, the sepiolite, the pig manure, the plant ash and the pig bone ash are used for auxiliary, so that the concentration of mercury in thesoil can be reduced to meet the mass standard concentration in national second-stage soil, organic matter in the soil can be improved, the fertilizer retention capability of the soil is improved, andthe advantage of good soil remediation effect is achieved.

The embodiment of the invention discloses an intelligent cleaning method and an intelligent cleaning system. The method comprises the steps that intelligent wearable equipment detects the quantity and the density of a target bacterium in a target area; when the intelligent wearable equipment detects that the quantity of the target bacterium exceeds a preset quantity threshold and the density of the target bacterium exceeds a preset density threshold, the intelligent wearable equipment transmits a bacterium clearing instruction to a cleaner, wherein the bacterium clearing instruction comprises the variety of the target bacterium; and the cleaner sprays a target bacterium cleaning agent corresponding to the variety of the target bacterium in the target area, wherein the target cleaner is used for clearing the target bacterium. According to the method and the system, the bacterium can be cleared by utilizing the intelligent wearable equipment and the cleaner.

The invention discloses a full-automatic elevator facilitating workers to get on and off, with advantages of high safety, efficiency and stability performance. The full-automatic elevator comprises anelevator body; according to the elevator, the workers can quickly get on an elevator platform through a pedestrian ladder, so that the workers do not need to climb; and the workers can also get off the elevator platform conveniently, and risks occurred due to climbing are reduced; guardrails on both sides can be used for not only protecting the workers but also stacking cargoes, and the area of aworking range is increased; the full- automatic expansion and contraction are achieved, and manpower and time are saved; shock absorption is achieved through a damping device, and the working platform is kept stable in the lifting process of the elevator, so that the health safety of the workers is protected; the cargoes are prevented from falling due to vibration, so that damage to the cargoes and injury to the workers are avoided; the workers standing on the platform can move at will, and do not need to get off the elevator for pushing; the operation is convenient, and the manpower is saved; the convenience is provided for people; and a large portable movable power source facilitates outdoor work, and the flexibility is high.

The invention relates to a bean pod mottle virus fluorescence quantitative RT-PCR reagent kit and a detection method thereof. The reagent kit comprises reverse transcriptase, an RNA enzyme inhibitor, hot start Taq DNA polymerase, fluorescence quantitative reaction solution, 2 x Buffer, sterilized double distilled water containing no RNA enzyme and positive contrast. The reagent kit and the detection method thereof use a conservative fragment of coat protein CP gene of bean pod mottle virus as a target, design a specificity primer and a TaqMan-MGB fluorescent probe, utilize the fluorescence quantitative RT-PCR technology for detecting the bean pod mottle virus, have the advantages of high sensitivity, strong specificity, rapidness, simplicity, accuracy and reliability, need no PCR posttreatment step, can effectively prevent cross contamination and false positive, are suitable for entry and exit plant quarantine, species introduction and rapid detection and diagnosis of the bean pod mottle virus in agricultural production, and can be used in real-time monitoring simultaneously, prewarning and forecasting of the epidemic situation of the bean pod mottle virus and have wide application and prospect.