5results about How to "Eco-friendly" patented technology

The present application relates to a kind of full-automatic oil sample dispensing device based on multi-channel switching valve and its control method;The rack of the dispensing device is provided with N storage grids, an oil sample bag and air bag are placed in each storage grid, the oil outlet pipe of N oil sample bags is respectively communicated with the N oil inlet hole of first multi-channel switching valve, the center hole of first and second multi-channel switching valve is communicated, the M oil outlet hole of second multi-channel switching valve is respectively communicated with M analysis unit interface, air, carrier gas and blank oil interface are communicated with the inlet of three-way electromagnetic valve through different electromagnetic valves, the first outlet of three-way electromagnetic valve is communicated with the cleaning hole of first multi-channel switching valve, the second outlet is communicated with the emptying hole of second multi-channel switching valve;The control method steps of the device are: flushing to oil inlet pipeline, flushing to analysis pipeline, cleaning to public pipeline, cleaning to pipeline with oil sample, sample introduction;The present application has high cleanliness, high degree of automation, high efficiency and speed, and low running cost.

This utility model discloses a pollution interception and purification device for river and lake ecological restoration, comprising: several sets of U-shaped seats and connecting seats installed in the river channel; adjacent U-shaped seats are connected by connecting seats; a purification slot is opened in the U-shaped opening of each U-shaped seat, and a purification plate for purifying river water is inserted into the purification slot. The purification medium of the purification plate includes a filter layer, a biological filler layer, and an adsorption layer; protective slots are opened on both sides of the purification slot in the U-shaped opening of each U-shaped seat, and protective plates for intercepting garbage and foreign objects in the river water are inserted into the protective slots. The protective plates are made of metal wire mesh. This multi-pronged approach overcomes the shortcomings of physical methods in dealing with dissolved and microbial pollution, achieving deep purification of water bodies and improving water quality.

The utility model relates to wastewater multistage filtering device, including the first filtering component for carrying out primary filtration to wastewater, the right -hand member of first filtering component is equipped with the second filtering component for carrying out fine filtration to wastewater, the right -hand member of second filtering component is equipped with the heat exchange component for carrying out waste heat recycling to the wastewater after filtering, first filtering component, second filtering component and heat exchange component intercommunication between them. The utility model discloses through first filtering component can carry out primary filtration and middle filtration to wastewater, through setting up second filtering component, can carry out fine filtration to the bathing wastewater after filtering through first filtering component with quartz sand filter material etc, thereby realizes multistage filtration to wastewater, and the filtering effect is better than traditional device, and through setting up heat exchange component, can make full use of the waste heat in bathing wastewater, can realize the secondary use to waste heat, thereby avoid causing the waste of heat in bathing wastewater, more energy -conserving environmental protection.

The utility model relates to tree supporting technology field, and disclose a kind of for urban ecological park transplanting tree supporting device, including semicircular arc fixed plate, fixed tube and supporting plate: the quantity of semicircular arc fixed plate is two, and two semicircular arc fixed plate can constitute a closed loop, and the both ends of semicircular arc fixed plate are fixedly connected with fixed lug plate.This kind of for urban ecological park transplanting tree supporting device, by the closed loop design cooperation of two semicircular arc fixed plate slidable adjustable fixed lug plate mechanism (sliding groove+slider+fastening stud), it can be flexibly adapted to the trunk of different breast diameter, its reinforcing rib effectively promotes the structural strength of fixed lug plate junction, avoid deformation;Fixed tube and scale mark telescopic rod sliding insertion are used, combined with the transverse sliding cooperation of plug-in rod and plug-in block and the synchronous locking of first and second fastening bolts, form three-dimensional adjustable support system, realize the accurate adjustment of height, orientation.

The utility model discloses a silkworm rearing frame for growing silkworm rearing, which relates to the technical field of growing silkworm rearing and comprises a moving frame, one side of the moving frame is fixedly connected with a limiting sliding rod, the limiting sliding rod is slidably connected with a plurality of adjusting sliding sleeves, the adjusting sliding sleeves are fixedly connected with a rearing frame, a guard rail is fixedly connected above the rearing frame, and a sand receiving table is arranged below the rearing frame. The sand receiving table is provided with a scraping assembly used for cleaning silkworm excrement, the scraping assembly is matched with a sand collecting box, the sand collecting box is fixedly connected to one side of the lower portion of the sand receiving table, and the side, away from the adjusting sliding sleeve, of the feeding frame is provided with a lifting assembly used for lifting the feeding frame. The silkworm breeding device is high in adaptability, height adjustment is conducted on silkworms bred in multiple layers through mechanical driving, the living space of the silkworms is increased, ventilation and lighting are achieved, and the silkworm breeding device is suitable for silkworms of different sizes.