39results about How to "Reflect the concept of environmental protection" patented technology

The invention discloses a method for producing an important steroid hormone dexamethasone methyl tetraenes (5ST) intermediate, which comprises the following steps of: dissolving a methyl dehydrate into an organic solvent, adding a reducing agent into the solution at the temperature of between 5 DEG C below zero and 20 DEG C, and performing one-step reaction to obtain methyl tetraenes with less than 0.8 percent of single impurity, wherein the reducing agent is a mixed reducing agent of 1 to 15 weight parts of chromium trichloride and 0.2 to 8 weight parts of zinc powder. The method for producing the 5ST shortens the reduction reaction into one-step reaction from three-step reaction so as to save the reaction time and facilitate the operation. The method reduces the consumption of chemical raw materials and dangerous goods, reduces the environmental pollution, and reflects the environment-friendly idea of green chemistry.

The invention provides one direct diethyl ether fuel battery system, which comprises direct diethyl ether fuel battery, materials supply device connected with fuel battery entrance hole and diethyl ether materials supply device. The device is characterized by the following: the supply device comprises the steel bottle and pressure tar and adds recycle use system composed of gas and liquid isolation tar, purification tar, cooling tar and constant pump; the steel bottle connects pressure tar through control valve and the pressure tar is set with constant flow pump, flow meter and control valve.

The invention discloses an ecological restoration method for a high and steep slope in an open pit of a metal mine and an application thereof. The ecological restoration method comprises the followingsteps of: performing stabilizing treatment on the high and steep slope, constructing intercepting ditches and drainage ditches on the platform and edges of the slope, laying ecological rods and chainlink fences on the slope surface in sequence, constructing flexible V-shaped planting troughs on the slope surface by adopting the ecological rods, spraying light mixed slurry to form a light mixed substrate layer which completely covers the chain link fences, filling and levelling up the flexible V-shaped planting troughs by adopting planting substrates, spraying on the surface of the light mixed substrate layer to form a seed-erosion resistance integrated layer, and planting woody plants and/or vines in the flexible V-shaped planting troughs. The ecological restoration method can ensure thestability of plant growth media, creates acid-base conditions for normal growth of the plants, constructs good plant growth environments, a diversified vegetation restoration model, and a three-dimensional community structure of trees, shrubs and grass, and has great environmental benefits and social benefits; and the process is simple, is easy to implement, and has a good effect and great significance of large-scale promotion.

The invention is a self-service type multifunctional page-turning desk, which comprises a pedestal, a book supporting platform, a book end, a page turning rod, a control box, a hand-controlling switch, a foot-controlling switch and a connecting structure. Through a movable connector arranged among the pedestal, the control box and the book supporting platform, the angle of inclination and the height of a faceplate of the book supporting platform are adjustable; through the arrangement of the movable book end and the fixed book end, the book to be read can be positioned; the page turning rod is capable of turning page for reading one by one; the foot controlling switch and the hand controlling switch are used for controlling. The self-service type multifunctional page-turning desk of the invention adopts a pure mechanical structure, and the materials used are the commonly used materials such as metal, wood, plastic and rubber, and the like, with low production cost; the pure mechanical structure can better embody the idea of environmental protection, meet the requirement of the people in modern society for environment protection; in addition, the design of no assistant motors avoids the dependence on the power and reduces the noise caused by reading.

The invention discloses a free walking type agricultural weeding machine, comprising a main shaft, a signal receiver, a first electric motor, a solar panel, an operation box, connecting rods, transmission shafts, roller wheels, watering nozzles, damping devices and weeding devices, wherein the signal receiver is arranged at the right end of the main shaft, the first electric motor is installed at the left side of the signal receiver, the watering nozzles are arranged at the bottom end of a water tank, a second electric motor is arranged at the left side of the water tank, the operation box is arranged at the left end of the main shaft, the solar panel is fixed at the top side of the main shaft, the connecting rods are installed at two ends of the main shaft, the transmission shafts are arranged at the tail ends of the connecting rods, the roller wheels are installed at the outer side of the transmission shafts, and the weeding devices are fixed to the right side of the roller wheels. As the signal receiver is provided, the free walking type agricultural weeding machine can be connected with electronic equipment such as a mobile phone and the like to realize control; and due to the design of the damping devices, vibration produced during the weeding process is reduced effectively, and weeding efficiency is increased greatly.

The invention discloses a recovering method of a LiFePO4 positive electrode in a spent lithium-ion battery. The method is characterized by including the steps of physically smashing the LiFePO4 positive electrode, dissolving powder in a DMF solution, conducting repeated stirring multiple times, heating a black mixture filtered out after the filtering step, and finally obtaining a LiFePO4 and acetylene black mixture material. The recovering method is low in cost, simple in process, low in cost, green, environmentally friendly and high in recovering efficiency.

A physicochemical treatment system for waste emulsion comprises a filter, a demulsification-air flotation combined device, a catalytic oxidation reactor, a precipitation tank, a filter press and a filtrate observation pool, wherein the front end of the filter is connected with a waste emulsion storage tank, and the rear end of the filter is connected with the demulsification-air flotation device through a waste liquid pipe I; the interior of the demulsification-air flotation combined device is divided into a demulsification area, an air flotation area, a scum area and a clear liquid area through a partition plate I, a partition plate II and a partition plate III, the front end of the catalytic oxidation reactor device is connected with the demulsification-air flotation combined device, the rear end of the catalytic oxidation reactor device is connected with the precipitation tank, and a stirrer II is arranged in an inner cavity of the catalytic oxidation reactor device. The middle of the precipitation tank is communicated with the filtrate observation pool, the bottom of the precipitation tank is connected with the filter press through a blow-off pipe, and an outlet of the filter press is communicated with the filtrate observation pool. The system is low in energy consumption, small in occupied area and high in treatment efficiency, and meanwhile, the concept of treating waste with waste, saving energy and reducing emission is embodied through reasonable utilization of waste acid and waste heat.

The invention discloses a municipal intelligent park seat which comprises seat units and is characterized in that the three seat units are combined into a whole body; each of the seat units comprisesa backrest, a seat cushion and four supporting legs; a photovoltaic solar panel is in threaded connection with the back part of the backrest; a storage battery is electrically connected with the output end of the photovoltaic solar panel; a protective plate is connected with the side edge of the seat unit through a hinge; a baby safety baffle is connected with the front side of the seat unit through a hinge; leg fixing holes are formed in the baby safety baffle; an LED illuminating lamp band is in threaded connection above the backrest; strip-shaped grooves are formed in the left side of eachof the seat units, strip-shaped plugs are arranged on the right side, and the strip-shaped grooves are in fit with the strip-shaped plugs in size. The municipal intelligent park seat disclosed by theinvention is simple in structure, convenient to assemble and disassemble, flexible to move, stable in structure and long in service life, saves the electric energy by adopting solar power generation,embodies the concept of environmental protection and is high in safety performance and high in comfort degree.

The invention discloses a distribution box, comprising a cabinet, the top of which is provided with a top cover; the cabinet is provided with a cabinet door; the left side and the right side of the cabinet are both provided with water storage tanks; the upper end of the water storage tank is provided with a water inlet and the lower end thereof is provided with a water outlet; the bottom of the top cover is a plane, and the center of the top is a hump; the top cover extends from the left side of the cabinet and the top cover extends from the right side of the cabinet; the top cover is provided with an opening at a position right above and corresponding to the water inlet of the water storage tank; and the cabinet is further provided with a fan therein. The distribution box disclosed by the invention has a simple structure and a good heat dissipation effect, and can further prevent the distribution box from being influenced by raining and snowing at the same time.

The invention discloses a double-column type pier prefabricated bearing platform structure and a construction method thereof, and can realize factory prefabrication of the double-column type pier bearing platform. The construction method comprises the steps that the formwork erecting of the bearing platform is carried out, steel bars binding and pouring are carried out and the positioning of the prefabricated pier body stand column pre-buried steel bar are carried out in a factory standardized process. According to the double-column type pier prefabricated bearing platform structure and the construction method thereof, the conventional cast-in-place double-column type bridge pier bearing platform is prefabricated, and meanwhile, the situation that a former double-column type bridge pier bearing platform needs on-site formwork erecting, steel bar binding, pouring vibrating and curing is changed into a prefabrication mode in a factory; the prefabricated bearing platform is provided withintegral transportation and hoisting conditions, the prefabricated bearing platform is matched with the integrated bridge girder erection machine and can be used for realizing the transportation and integrated erection of the prefabricated bearing platform girder.

The invention discloses a rapid production method for a matrix material special for greening. The method comprises: dissolving cane sugar with warm water to obtain cane-sugar water, cooling, putting in a clean container, fully stirring uniformly, standing for 1-2 h, adding a composite bacterial solution, fully stirring, covering for sealing, and performing room-temperature culture at a shade clean environment for 25-30 days, so as to form a microbial fermentation broth; and uniformly spraying the microbial fermentation broth on the surface of a to-be fermented organic compound by a sprayer, covering with a clinker film, and fermenting for 25-45 days. The method helps to effective accelerate the fermentation process of multiple organic wastes and reduce waste caused by nutrient loss during natural fermentation, helps to solve the problems that stink is too severe and environment is polluted in a stacking process, helps to solve the problems that organic wastes such as manure, sludge and the like of livestock and poultry are dirty, viscose and smelly and are inconvenient to use, and also helps to reduce organic pathogen infectiveness.

The invention discloses an environment-friendly beverage cup facilitating condiment adding. The environment-friendly beverage cup comprises a cup cover and a beverage cup body. The top of the beveragecup body is connected with a cup ring through an inverted hanging ring. A sealing ring is bonded to the interior of the inverted hanging ring. The cup cover is welded to the top of the cup ring. A fixing device is welded to the center position of the top of the cup cover. A top cover is clamped and connected into the fixing device. The center position of the top of the top cover communicates witha communication pipe, and the exterior of the cup ring is connected with a lifting rope through a connecting ring. In the environment-friendly beverage cup facilitating condiment adding, the fixing device hollow inside is welded to the top of the cup cover, the top cover is clamped and connected to the interior of the fixing device, the top of the top cover communicates with the communication pipe, and when condiments need to be added into the beverage cup, only the top cover needs to be opened, the situation that during condiment adding, the whole cup cover is opened can be avoided, the beverage exposure area is reduced, and the beverage spilling possibility is reduced.