33results about How to "Protect ecological resources" patented technology

The invention relates to a seeding medium made of vinasse methane-sludge and a preparation method thereof, not only solving the problem of environment contamination caused by vinasse methane-sludge, but also effectively utilizing vinasse methane-sludge. The seeding medium comprises fresh sludge containing 90 percent of water after methane generated from vinasse in a methane tank, accessories, ferment strain I and ferment strain II, wherein the accessories comprise grass peat, vermiculite and perlite; the ferment strain I comprises saccharomycetes, lactobacillus, high-temperature actinomycetes and bacillus; and the ferment strain II comprises photosynthetic bacteria, lactobacillus, bacillus, saccharomycetes, actinomycetes and terrestrial cyanobacteria. The preparation method comprises the following steps of preparing fresh sludge, dehydrating, adding the ferment strain I for fermentation, adding the ferment strain II for secondary fermentation, air drying, adding accessories, crushing, screening and packing. The vinasse methane-sludge contains 40 to 50 percent of organic matter and 4.3 percent of available nitrogen (N), phosphorus (P) and kalium (K). The seeding medium made of vinasse methane-sludge has better hydrophilicity, and seeding can be carried out after loading the dry seeding medium and spraying water, thus saving both labor and time.

The invention discloses application of calcium silicate as a retention aiding intensifier in papermaking and belongs to the technical field of applications of calcium silicate in papermaking. According to the invention, calcium silicate is adopted to serve as the retention aiding intensifier for the papermaking to be applied to the papermaking, wherein calcium silicate is preferably active calcium silicate. An application method comprises the following steps: (1) mixing calcium silicate with water to obtain a dispersion liquid; sieving the dispersion liquid by a screen and taking the slurry for later use; (2) adding papermaking filler into paper pulp and adding the slurry obtained in the step (1); or simultaneously adding the slurry obtained in the step (1) and the papermaking filler into the paper pulp; and (3) adding other papermaking additives and carrying out papermaking according to conventional papermaking processes. Calcium silicate is adopted to serve as the retention aiding intensifier to be applied to the papermaking and the operation is simple; the paper ash content and bulk are obviously increased; the plant fiber using amount is saved and the production cost is reduced.

The invention discloses a porous high-water-seepage permeable floor tile doped with waste ash. The floor tile is prepared from, by weight, 40-43 parts of sludge of a sewage plant, 6-7 parts of rice hull, 4-5 parts of potassium feldspar powder, 10-12 parts of flyash, 10-12 parts of sodium silicate, 12-14 parts of the waste ash, 18-20 parts of abandoned ceramics, 5-7 parts of quartz sand, 2-3 parts of methyl methacrylate, 2-3 parts of redispersible rubber powder, 1.5-2 parts of ammonium carbonate and 4-5.5 parts of papermaking black liquid. The abandoned ceramics, the waste ash, the quartz sand and the like are added as aggregate and matched with binding agents such as the redispersible rubber powder and methyl methacrylate to prepare tile adobe with good plasticity, as continuous through holes are formed in a tile body through sintering, the floor tile has high permeability, and meanwhile high bending strength and high compressive strength are reserved. The raw materials of the prepared product are wide in source, low in cost and beneficial for protecting mineral resources and ecological resources.

The invention relates to a method for cultivating and acclimating wild indocalamus leaves artificially. The method is characterized by comprising the following steps of: 1) selecting transplanting varieties, namely selecting wild indocalamus seedlings which grow in relatively poor conditions and have vigorous growth vigor and large laminae; 2) transplanting and propagating, namely selecting a transplanting field, making preparation for ploughing and sowing; intertilling, so that the depth of loosening soil is between 25 and 35 centimeters, dividing ridges, and arranging a drainage ditch; lifting seedlings, transplanting, and performing vegetative propagation, namely transplanting from October in the current year to May in the next year; after the seedlings are lifted, pruning the original root whips completely and reserving fibrous roots; planting in a large field in the original natural growth direction of the indocalamus leaves in a medium density mode, wherein the planting depth is between 20 and 30 centimeters; 3) performing fertilizer and water management, namely fertilizing according soil fertility and a soil measuring formula, and preferably applying an organic fertilizer to the roots; and 4) picking and cultivating rationally, namely avoiding picking in the current year, and picking seldom in the second year to achieve an effect of closing in the third year. By the method, the problem of cultivating and acclimating the wild indocalamus leaves artificially is solved, the metabolism of indocalamus and the flourishing of the root whips are promoted, and the germination rate of bamboo sprouts is improved.

The invention discloses a preparation method of an environment-friendly autoclaved aerated concrete block. The method comprises the following steps: mixing and grinding a ceramic waste, loess, quicklime and desulfurized gypsum, and feeding the mixture into a sintering machine to obtain mixed aggregates; feeding methyl acrylate, ethylene oxide and an Al/Mg/Ce inorganic salt composite catalyst into a sealed reactor, carrying out heating, stirring, standing and cooling under nitrogen protection, adding rosin, phenol, sodium polynaphthalene sulfonate and concentrated sulfuric acid for mixing, and carrying out heating and stirring; sequentially adding sodium hydroxide and water for stirring to obtain a foaming agent; adding powdery sodium silicate, calcium lignosulphonate and anhydrous sodium sulfate to the mixed aggregates for ball-milling, and adding cement, polyvinyl alcohol and the foaming agent for stirring to obtain mixed slurry; and casting the mixed slurry into a mold for molding, and carrying out heating, pre-curing, demolding, cutting, autoclaved curing and cooling to obtain the environment-friendly autoclaved aerated concrete block.

The invention discloses a formula of novel environment-friendly biological hydrocarbon oil and a preparation method of the novel environment-friendly biological hydrocarbon oil. The novel environment-friendly biological hydrocarbon oil is prepared by mixing the following raw materials: 1-1000kg of polyester-grade diethylglycerol, tap water, 0.5-500kg of purified water and a catalyst, no black smoke and no peculiar smell are discharged, no waste is discharged in the production process, no pollution is caused to the environment, and no harm is caused to human health; the oil is high in calorific value and low in price, all indexes of the oil meet national standards through detection, the oil can replace diesel oil to become new energy of enterprises, the oil is high in flash point, limit 1.9%, high in ignition point, free of open fire, free of fire, safe to use and wide in raw material source, waste is utilized, waste is turned into wealth, ecological resources are protected, and the oil belongs to renewable energy and is worthy of popularization. The method has good economic benefits and social benefits, and has good popularization value.

A cabbage soilless culture composite matrix is provided; cottonseed hulls with wide sources and low cost in Zhoushan region and sawdust are mixed and combined with product seedling growing matrix according to certain ratio so as to form the cabbage culture matrix; comparing with the product seedling growing matrix and according to comparison tests, the high efficiency and low cost composite matrix is selected to suit the cabbage culture, thus replacing a normal soilless culture matrix using peat as main material, reducing culture cost, protecting non-renewable ecology resources, improving production efficiency, and laying foundations for demonstration popularization of large scale soilless culture production of green-leaf vegetables like cabbage on fishing vessels.

The invention relates to a cement mixer. The cement mixer comprises a mortar tank, a mortar outlet pipeline, a material platform, a mixer and a high-pressure nozzle, wherein the mixer is fixed on the material platform; one end of the mortar outlet pipeline is fixedly connected with the high-pressure nozzle, and the other end of the mortar outlet pipeline is connected with the mortar tank; and a material mixing port in the lower end of the mixer is connected with the interior of the mortar outlet pipeline. According to the cement mixer, the labor intensity of an operator is reduced, and the working efficiency and the working quality are improved, so that the mortar injection construction time is shortened, the safety of mortar injection construction is improved, and the cement mixer is not limited by the size of a site and is conveniently connected with a cement truck; and in a cement mixing process, cement dust can be effectively reduced, mortar and grease dirt cannot remain on the ground, the aim of clean mortar injection is safely achieved, environment protection capacity is improved, and ecological environment and resources are greatly protected.

The invention provides an artificial propagation method of Ptychobarbus kaznakovi, which comprises the following steps: parent fish rearing: selecting wild Ptychobarbus kaznakovi with no body surface injury and body weight of 400-1300 g as parent fish for rearing, wherein in the rearing process, the daily feeding amount of feed is 0.1-1% of the body weight of the parent fish; parent fish selection: selecting disease-free and robust mature Ptychobarbus kaznakovi as a spawning induction parent; artificial spawning induction: firstly, only injecting a first spawning induction agent into female fish in spawning induction parents for compatibility; after 24 h, continuously injecting a second oxytocic into the female fish for compatibility, and injecting a third oxytocic into the male fish in the oxytocic parents for compatibility; artificial insemination: temporarily rearing the induced spawning parents in an induced spawning pond at the water temperature of 9-14 DEG C, and checking female fishes in the induced spawning parents once every 8 h after 48 h; pressing the belly of the female fish slightly, if roes are discharged, squeezing the roes into a basin, then squeezing the semen of the male fish into the basin, and conducting stirring, standing and cleaning to obtain fertilized roes; and hatching: hatching fertilized roes obtained by using flowing water, and obtaining the Ptychobarbus kaznakovi fry after the hatching is completed.