41results about How to "Eliminate breeding" patented technology

The invention discloses a device for purifying flue gas by utilizing microalgae source photosynthetic microorganisms and a method thereof, which relate to environmental biological resource engineering. An LED microalgae source photosynthetic microorganism friendly illuminant of the system conducts light wave produced by an LED to the surfaces of the microalgae source photosynthetic microorganisms through light propagation media-optical fiber, and the microalgae source photosynthetic microorganisms utilize the photosynthesis to purify pollution gas such as CO2 in the flue gas dispersed in a microalgae source photosynthetic microorganism culture fluid containing growth factors so as to produce a large quantity of the microalgae source photosynthetic microorganisms as well as purify atmospheric pollutants simultaneously, wherein the microorganisms contains chlorophyll, protein and other useful organic substances. The device and the method recycle the pollutants, namely improve the efficiency of energy utilization, also eliminate the pollution, and have a green process with stronger practicability. The method has the advantages of less equipment investment, easy operation and high culture density of the microalgae source photosynthetic microorganisms in a reactor, and performs the resource utilization on the pollutants as well as purifies the pollutants simultaneously.

The invention discloses a water tank cleaning device, a humidifier and a water tank cleaning method. The device comprises a sensing unit (10), a controller (20) and a heating unit (30), wherein the sensing unit (10) is used for obtaining the water level information in a water tank (60), the controller (20) is used for determining whether the water level information is lower than a preset water level or not and controlling the heating unit (30) to be started when the water level information is lower than the preset water level, and the heating unit (30) is used for heating residual water in the water tank (60) under the control of the controller (20), so that the water tank (60) is cleaned. According to the scheme, the defects that an existing device is large in maintenance difficulty, adverse to human health, poor in use experience and the like can be overcome, and the device has the beneficial effects of being small in maintenance difficulty, beneficial to human health and good in user experience.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment artificial wetland system which has a simple structure and high pollutant removal efficiency. The system comprises an underflow water distribution belt, a shallow ground surface underflow artificial wetland and a first-stage pretreatment device, wherein a filter material is filled in the underflow water distribution belt; at least one part of the shallow ground surface underflow artificial wetland is covered by the underflow water distribution belt; the shallow ground surface underflow artificial wetland is a plant planting soil layer and is inclined downwards along a water flow direction; and the extension direction of the underflow water distribution belt is vertical to the water flow direction of the shallow ground surface underflow artificial wetland. By the sewage treatment artificial wetland system, sewage can be pretreated and precisely treated; and on the premise of small floor area, low construction input, low maintenance cost, high greening land utilization rates, high rain water closure rates and low energy consumption, the system can be widely applied to zero emission treatment of source sewage in an ecological cycle mode in mountain and plain regions, and the highest quality of treated water can reach a first (A)-level standard.

The invention discloses a blockchain-based digital asset transaction method. The invention establishes the digital asset transaction on the blockchain digital asset platform, and the token transaction price is calculated and determined according to the general digital asset transaction information in the same business circle, which is closely related to the business performance of each enterprise in the business circle. Such a transaction and pricing method eliminates the drawbacks that the transaction price of ICO tokens is affected by human factors or has nothing to do with corporate digital assets, effectively enhances the social credibility of ICO, and eliminates the breeding ground for illegal and fraudulent behaviors. Promote the development of the sharing economy, so that small-scale investors without professional skills can obtain some opportunities for early investment income of projects, and entrepreneurs who cannot meet the financing threshold can obtain project development funds by sharing profits. It is conducive to the transformation and upgrading of traditional industries for enterprises in the business circle on the blockchain digital asset platform.

The invention discloses a method for breeding artificially-cultured wild spot-billed ducks out of season and a net cage device which is used in the method, and belongs to the technical field of a poultry farming industry. A greenhouse, the wide spot-billed ducks and feed are used in the method. The method comprises the following steps of: stimulating wing tips of each wide spot-billed duck by acupuncturing; straightening and fixing hocks of each wide spot-billed duck by using curly barks; from the day when the wide spot-billed ducks lay eggs, feeding the wide spot-billed ducks on the feed in which 3-8 g of vitamin C is added per 50 kg; creating a seasonless and nightless spring-like homothermal environment in the greenhouse; feeding the wide spot-billed ducks on special out-of-season breeding feed into which crude protein is added, wherein the special out-of-season breeding feed comprises the following materials in percentage by weight: 60 to 70 percent of corns, 18 to 22 percent of wheat middling, 8 to 12 percent of soybean meal, 4 to 6 percent of rapeseed meal, 0.25 to 0.36 percent of table salt and 1.5 to 2.0 percent of bone meal; and placing the wide spot-billed ducks into a plate-drawing-type net cage which is special for breeding the wide spot-billed ducks, placing the plate-drawing-type net cage in the homothermal environment of the greenhouse and breeding the wide spot-billed ducks on nets. The method has the advantages that two breeding periods of the wide spot-billed ducks in Autumn and Winter are increased every year, the using amount of the feed is reduced, the production cost is greatly reduced, and economic benefit is increased.

The invention provides a novel phosphorus-free corrosion inhibitor which is an organic compound with a novel structure. The structure ensures the phosphorus-free, non-toxic and non-pollution of the agent. The agent molecules and the metal surface form multi point absorption or chelate through nitrogen points in the molecules and other hydrophilic group. The thickness of the film-forming is ensured through the long-chain alkane in the molecules. The short-chain alkane form a cross connection in the film-forming process to enhance the compact degree of the film. On the premise that the corrosion inhibitor is ensured to be free from phosphorus by using the method, the corrosion inhibition property of the corrosion inhibitor can be improved.

The invention provides an aquatic plant soil disinfecting method. Aquatic plants are crops with high economic efficiency and high nutritional value, but the aquatic plants always have a rot disease due to continuous cropping. Aquatic plant rot disease mainly occurs on underground stems and roots, and causes upper leaf yellowing, browning, rotting, and even withering of the ground plant. The underground stems and roots of the disease plant generate hypha and pink glutinous substances, and a part of underground stems and roots generate water-immersion scabs. Finally, lotus whip, the disease stems and the roots generate purple brown scabs, the inner part of the lotus whip is brown, the disease stems longitudinally shrink, and the lotus roots necrotize. A first rot disease site of the aquatic plant in the aquatic environment is difficult to detect and hard to control. Therefore, according to the aquatic plan soil disinfecting method, bamboo vinegar, Chinese herbal medicines and quicklime are combined to effectively kill pathogens in the aquatic plants, and pathogenic reason of the aquatic plants can be eradicated.

The invention discloses a mold pressing device for preparing a PVC blocky mold-pressed floor board. The mold pressing device comprises a fixed mold plate and a movable mold plate, and the fixed mold plate and the movable mold plate are oppositely arranged in the vertical direction. The lower portion of the fixed mold plate is connected with an upper mold block and cutters which are symmetrically distributed on the two sides of the upper mold block. First blades are arranged on the sides, close to the upper mold block, of the cutters, and the first blades are arc-shaped blades which are used for forming arc-shaped chamfers on one side of the floor board through cutting. The upper portion of the movable mold plate is connected with a lower mold block. A discharging block is arranged between the lower mold block and the upper mold block. When a board to be subjected to mold pressing is placed in the discharging block, the board is cut by the cutters to form the PVC blocky mold-pressed floor board while hot pressing is achieved through the upper mold block and the lower mold block. According to the mold pressing device, the cutters are additionally arranged on the two sides of the upper mold block, the side edge of the floor board is cut to form the chamfers in the hot pressing process, the internal structure of a floor board base material is prevented from being damaged, and the stability of the whole floor board is good; and the flatness of the cut surface is guaranteed through machining equipment, and the phenomenon that the surface of the floor board is uneven is avoided.

The invention discloses a bag type rapid fermentation method, which comprises the following steps of: crushing and pretreating an organic material, adding an auxiliary material, gypsum powder and a nitrogen source, adding an exogenous fermentation bacterial agent, filling the materials into a fermentation bag, placing the bag in a fermentation chamber for fermentation. By controlling the temperature and humidity of the fermentation chamber, a good environment for the fermentation is provided, and the purpose of rapid fermentation is achieved by combining the exogenous fermentation agent. Through the detection of the C/N ratio, conductivity, bulk density, porosity and other physical and chemical properties of the substrate in the fermentation process, the fermentation maturity is judged, and the fermentation end point is determined, so that a cultivation substrate with excellent performance is obtained. The fermentation method has short fermentation time and can simultaneously ferment substrates with different formulas, the obtained substrates have good physical and chemical properties; the substrates can increase the germination rate of plants and promote the growth of the plants;and meanwhile, the method achieves the resource utilization of agricultural wastes, domestic garbage and livestock manure and has obvious social benefit, economic benefit and environmental ecologicalbenefit.

Disclosed is a fiberboard. The fiberboard is combined by a first fiberboard layer consisting of low-melting-point polyester fibers and three-dimensional crimp hollow fibers, a second fiberboard layer consisting of low-melting-point polyester fibers and spiral renewable fibers, a third fiberboard layer consisting of low-melting-point polyester fibers and bast plant fibers, a fourth fiberboard layer consisting of anion fibers, a fifth fiberboard layer consisting of low-melting-point polyester fibers and plant fibers, and a sixth polyester fiberboard layer. The fiberboard has high air permeability, stability and tensile resistance. An anion layer is adsorbed on the fiber inner wall of the fiberboard inner layer, which consists of anion fibers, so that mattress pollution and acarid breeding are avoided. The fiberboard provided by the invention also ensures a certain soundproofing effect, has good elasticity and tension, and can increase the seep quality.

The invention provides life waste energy-saving bricks and a preparing method, and belongs to the technical field of building materials. The life waste energy-saving bricks comprise, by weight, 45-53 parts of life waste, 13-15 parts of Chinese medicine herbs, 7-17 parts of quick lime, 2.05-3.04 parts of water reducing agent, 9-21 parts of adhesive and 9-16 parts of water. According to the preparing method of the life waste energy-saving bricks, the problem of resource utilization of the life waste is solved, the production cycle is shortened, sintering is not needed, thermal energy is not needed, the time is saved, the productivity rate is increased, the production cost is lowered, and more importantly, the problem of secondary pollution caused by misconduct of life waste can be relieved.

The invention discloses a dead-space-free water supply device for hemodialysis. The dead-space-free water supply device comprises a pure water storage device, a pure water inlet is formed in the upperportion of one side of the pure water storage device, and a pure water outlet is formed below the pure water inlet; a circulating water outlet is formed in the side, away from the pure water inlet, of the pure water storage device; a circulating water inlet is formed in the bottom of the pure water storage device, and the circulating water outlet is connected with one end of a circulating main water pipe; the other end of the circulating main water pipe is connected with the circulating water inlet; the portion, close to the circulating water inlet, of the circulating main water pipe is provided with a first booster pump; a plurality of water supply branch pipes are branched on the circulating main water pipe, and the end, far away from the circulating main water pipe, of each water supply branch pipe is closed. According to the device, the design is novel, the structure is simple, the use is convenient, the layout is reasonable, pure water in the water pipe flows circularly, the deadspace is eliminated, the environment for bacteria breeding is eliminated, the cleanliness of the pure water is guaranteed, and the device is suitable for application and popularization.

The present invention relates to a toothpaste containing Liuhuan stone. The toothpaste is characterized in that superfine Liuhuan stone particles are added during the process of manufacturing the toothpaste, and the addition proportion is 2 percent to 8 percent. When the toothpaste is used for brushing teeth, anions produced by friction can be counteracted with harmful positive electrical charge in mouth, and the toothpaste takes effect of preventing and remedying dental disease and brings clean feeling to people. At the same time, the anion has the effects of anti-bacteria and removing peculiar smell, can remove the mouth peculiar smell and the halitosis of human body in time, eliminates the possibility of bacteria breeding and protects clean and healthy mouth. The toothpaste improves micro circulation, promotes metabolism and particularly accelerates the normal metabolism of epidermis horny layer.

The invention discloses a compound preparation for repairing vagina and cervical mucosa, and belongs to the technical field of traditional Chinese medicines. The compound preparation comprises the following raw materials: ginseng, pseudo-ginseng, vallisneria natans, herba inulae, rhizoma dioscoreae nipponicae, rhizoma dioscoreae, geranium wilfordii, scandent schefflera stems and leaves, golden cypress, coptis chinensis, subprostrate sophora, blackberry lily, thunberg fritillary bulbs, indigo naturalis, borneol, rheum officinale, scutellaria and liquorice. The preparation method is simple and easy to popularize and apply, and the prepared traditional Chinese medicine preparation has the characteristics of being green, safe, mild, non-irritant and free of toxic and side effects.