42results about How to "Avoid water swelling" patented technology

The invention relates to a seed coating agent and coated seeds for desert control and aerial seeding, and a preparation method of the agent. The seeding coating agent mainly comprises an inner layer coating agent, a middle layer coating agent and an outer layer coating agent. As the coating method provided by the invention adopts a layered coating technology, not only is the mutual influence among different ingredients of the coating agent alleviated, but also the difficulty caused by the swelling and the adhesion of a water retaining agent which absorbs water in a coating process is avoided; special drying equipment is not needed after the coating is finished, so that the dependence of a traditional coating operation on the drying equipment is avoided; a repellent for birds, rabbits, mice and the like is added to the coating agent, so that the seeds are protected from being eaten while no harm is caused to the environment; and the coated seeds have a high germination rate and can take root rapidly under the action of the water retaining agent and nutrients, so that the seeds for desert control and aerial seeding are promoted to germinate and grow rapidly, and the survival rate of seedlings is remarkably improved.

The invention relates to a seed germination control drought-resistant coating material, a coated seed and a preparation method thereof. The coating material mainly comprises an inner layer of the coating material (a water-retaining layer), an intermediate layer of the coating material (a buffer layer) and an outer layer of coating (water control layer). The water-retaining layer contains a water-retaining agent and can play functions of water storing and water retaining; on the one hand, the buffer layer can smoothen and round the surface of the water-retaining layer so as to wrap the water control layer, and on the other hand, the buffer layer can absorb a small amount of water which permeates the water control layer due to the water solubility; the water control layer cannot dissolve in water but can swell to control the pore sizes of water passing pore passages so as to control the water feeding. When the rainfall is small and cannot enable seeds to germinate into seedlings, a micro amount of water permeates the water control layer, then is absorbed by the buffer layer and the water-retaining layer but does not enter the seeds; when the rainfall is abundant, a large amount of water permeates the water control layer, at the moment, the buffer layer is completely corroded, the water-retaining agent absorbs water to rapidly expand so as to break the water control layer, so that the seeds start to absorb water to germinate and successfully grow into the seedlings under the action of the water-retaining agent.

This scheme discloses a method for preventing mildew of Ganoderma lucidum in the technical field of Ganoderma production, comprising the following steps: Step 1, using glucomannan aqueous solution to smear the surface of Ganoderma lucidum, and then drying the Ganoderma lucidum until the water content is within 10%; step 2. Use the mixture to smear the dried Ganoderma lucidum, and then dry the mixture on the surface of the Ganoderma lucidum until the water content is within 8%. This solution reduces the entry of moisture and bacteria through the protective film formed by the outer layer of edible oil and chitosan, and when bacteria and moisture pass through the outer layer of protective layer and enter the interior to contact with glucomannan, due to the glucomannan Hydrophilic, it will quickly absorb water and expand to block the nests and cavity pipes of the ganoderma lucidum, thereby blocking the channel for water and bacteria to continue to move to the inside of the ganoderma, thereby reducing the occurrence of mildew in the ganoderma.

The invention discloses a treatment method and an application of municipal solid waste incineration fly ash, and belongs to the field of municipal solid waste incineration fly ash. The treatment method comprises the following steps: A. calcium sulfate, sodium sulfate, calcium lignosulfonate and clay are mixed with stirring, and a coagulant is obtained; B. sodium silicate, diatomite, pyrrole and Ethylene diamine tetraacetic acid disodium salt are added into water with stirring, and a first mixed solution is obtained; C. the coagulant is added into the first mixed solution, active carbon, disodium methylene dinaphthalenesulfonate, borax and gelatin are added into the first mixed solution in order with stirring, and a second mixed solution is obtained; D. the second mixed solution is heated to 50-70 DEG C and cooled to normal temperature, and the curing agent is obtained. E. the municipal solid waste incineration fly ash, the portland cement, cobblestones, sand, a curing agent and water are mixed with stirring, and fly ash concrete is obtained; F. the fly ash concrete is laid in concrete pouring, wherein the concrete does not require hardness, but require good water permeability. The fly ash concrete has the advantages of good water permeability, energy saving and environmental protection, and low cost; the obtained fly ash concrete can be used for repairing dams and paving cross walk, and the like, so that utilization of waste materials is effectively realized, and the problem for treating the fly ash from municipal solid waste incineration is solved.