194results about How to "Improve conversion utilization" patented technology

The invention discloses a culture medium, a fruiting bag and a high-yield culture technique of Pleurotus nebrodensis. The culture medium of the Pleurotus nebrodensis is prepared by mixing main materials and auxiliary materials, wherein the main materials consist of cotton bark, wheat bran and nutritive grains, and the auxiliary materials consist of gypsum, farm-oriented monopotassium phosphate and lime. The weight of the culture medium in each fruiting bag is 200-285g. According to the invention, by a reasonable adjustment of components and a proportion of the culture medium, the conversion utilization rate of the culture medium is improved remarkably, the technical problem that the culture medium with rich nutrients is likely to bepolluted is well solved, and a common prejudice that the culture medium with rich nutrients is likely to be polluted is overcome.

The invention discloses a method of producing a protein feed by a liquid-solid two-step fermentation method. The method comprises the following steps: performing liquid culture on corynebacterium glutamicum, candida utilis, bacillus subtilis, lactobacillus plantarum and aspergillus oryzae so as to obtain corynebacterium glutamicum fermentation liquor, candida utilis fermentation liquor, bacillus subtilis fermentation liquor, lactobacillus plantarum fermentation liquor and aspergillus oryzae fermentation liquor; mixing the corynebacterium glutamicum fermentation liquor, the candida utilis fermentation liquor, the bacillus subtilis fermentation liquor, the lactobacillus plantarum fermentation liquor and the aspergillus oryzae fermentation liquor so as to obtain mixed bacterium liquor; loading raw materials of soybean meal, cluster bean meal, cottonseed meal and the like into an explosion vat for performing steam explosion; after steam explosion, mixing materials, the mixed bacterium liquor and molasses in proportion, and adding an enzyme preparation so as to obtain mixed materials; conveying the mixed materials into a special modularized solid-state biological raw material continuous fermentation device for enzymolysis and fermentation, and drying the fermented materials so as to obtain the protein feed. According to the method disclosed by the invention, the modularized automatic fermentation device is adopted, the materials after explosion, the fermented bacterium liquor and the enzyme preparation are mixed, then the mixed materials are loaded into the automatic fermentation device for enzymolysis and biological fermentation, so that requirements for automatic temperature control, automatic dampness control and automatic ventilation control are met, the bioconversion rate is high, the fermentation period is short, the consumption is low, the cost is low, and mechanized and large-scale production requirements can be met.

The invention discloses a method for producing a seaweed protein feed through the synergistic effect of enzymolysis and fermentation. The method comprises the steps of fully mixing seaweed residue (the water content is 38%) and a feed enzyme preparation according to a certain proportion and performing the enzymolysis for 4-7h with the pH of 6.2-7.0 at the temperature being 35-45 DEG C to obtain a seaweed residue-feed enzyme preparation mixture; inoculating compound microorganisms and performing solid fermentation. The method has a simple process and is easy to operate; an external source is added to degrade a cellulose preparation to produce nutrition beneficial to microbial growth through the enzymolysis and make up the deficiency of enzyme produced by using the compound microorganisms, so as to stabilize the solid fermentation process and the product quality, greatly reduce the content of cellulose and increase the protein content; the seaweed protein feed is rich in multiple minerals, bioactive constituents and unknown somatomedin, and can be used as a protein feed for livestock and poultry and an aquatic feed; the method provides a technical support for growing tensions on developing novel protein resources and relieving a feed protein source.

The invention relates to a solar-driven coaxial traveling wave starting and standing wave refrigerating device, which comprises a traveling wave thermoacoustic engine and a standing wave thermoacoustic refrigerating machine with coaxial structures, and also comprises a resonatron which is connected between the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigerating machine, a solar light-accumulating device and a solar light-transmitting device which are arranged in front of the traveling wave thermoacoustic engine, a resonant cavity which is arranged on the rear of the standing wave thermoacoustic refrigerating machine, and a fused salt annular box which is coated on the outside of a heat exchanger on the hot end of the traveling wave thermoacoustic engine. Due to organic axial arrangement of the traveling wave thermoacoustic engine and the standing wave thermoacoustic refrigerating machine, the solar-driven coaxial traveling wave starting and standing wave refrigerating device has the advantages of compact structure and high efficiency; fused salt which is coated on the outside of the heat exchanger on the hot end of the engine is an ideal thermal capacitance, thereby having the advantage of constant heating temperature; and a light-transmitting enclosed body on the front end of the engine uses quartz glass, thereby having the advantages of high-efficiency transmittance and prevention of low-temperature internal infrared radiation from passing through.

The invention discloses a biological fermentation soft feed and a production method thereof. The feed is prepared from raw materials in a weight ratio. The production method is characterized by comprising the following steps of: mixing master powder and conventional powder in a ratio of (0.4-0.8):(99.2-99.6); adding water to ensure that the humidity is 40-50 percent; stirring and then carrying out aerobic natural fermentation for 48-72 hours at 25-30 DEG C; and sealing for storing. In the invention, the tastes of protein, starch, fat, and other macromolecule nutrients in conventional feeds are changed through fermentation by utilizing Chinese herbal medicines under proper oxygen, moisture and temperature conditions and the macromolecule nutrients are converted into nutrient substances such as glucose, amino acid, and the like so as to be convenient for livestock to quickly absorb, thus the livestock can quick grow. The feed is particularly suitable for the livestock such as pigs, cows, rabbits, and the like.

A self-running power drive unit able to be combined with shoe sole, skate board, skate scooter, toboggan, etc is composed of a frame system consisting of upper and lower frames, a hydraulic force converting mechanism for converting the dead weight and pedaling force of human body to hydraulic force, a speed-varying rotation mechanism for converting the hydraulic force of hydraulic oil tube to rotation torque, and power wheel linked to the power output shaft of said speed-varying rotation mechanism.

The invention discloses an environment-friendly LED street lamp. The environment-friendly LED street lamp comprises a stand column, a first supporting arm and a second supporting arm which are fixedly arranged above the two sides of the stand column, an LED lamp holder is arranged at the bottom of the first supporting arm, a photovoltaic panel protection shell is arranged on the top of the second supporting arm, a containing cavity is formed in the photovoltaic panel protection shell, guide sliding grooves are formed in the inner walls of the two sides of the containing cavity, limiting blocks are arranged at the upper side ends of the guide sliding grooves, a lifting sliding block is arranged in the containing cavity, the two side ends of the lifting sliding blocks are embedded in the guide sliding grooves and are in sliding fit connection with the guide sliding grooves, a lifting push device is arranged at the bottom of the lifting sliding block, a drive cavity is formed in the lifting sliding block, a guide sliding groove is formed in the middle of the bottom of the drive cavity, guide sliding cavities are arranged in the lifting sliding block of the top of the drive cavity in a bilateral symmetry manner, sleeves are arranged in the guide sliding cavities, and the sleeves are arranged in a vertical extending manner along the guide sliding cavities. The environment-friendly LED street lamp is simple in structure, stable in structure and convenient to operate, the multi-angle adjustment is achieved, the protection function is achieved, and photovoltaic panel damage caused by climatic factor influences is avoided.

The invention provides a method of culturing finless eel using a floating bed net cage for shading vegetables. The method comprises the steps of 1, pond selection; 2, cage fabrication; 3, cultivation and management technology of the floating bed in the net cage; 4, eel species injection; 5, bait feeding and culturing management. The method of culturing finless eel cage has the effects of shading from the sun and screening from the sun, lowering the temperature, and increasing the survival rate of eel and purifying water for eels cultured in net cages.

The invention discloses a composite microecological preparation for broiler chickens. The composite microecological preparation is composed of a composite strain fermentation liquid and an adsorbent. 12-20L of the composite strain fermentation liquid is added into every 100kg of the adsorbent. The adsorbent comprises rice bran, wheat bran and soybean meal in a weight ratio of 1:1:1. The composite microecological preparation for broiler chickens has a beneficial viable count of greater than or equal to 1billion/g. The composite strain fermentation liquid comprises Rhodopseudomonas palustris, Bacillus subtilis, Lactobacillus acidophilus, Candida utilis and Bacillus Natto in a number ratio of 3-5:10-15:8-12:3-5:1-3. The microecological preparation prepared from a variety of beneficial bacteria provided by the invention has the efficacy of keeping the balance of intestinal flora, improving feed conversion and utilization rate, and enhancing the digestive absorption ability of animals, thereby reducing the cost and improving economic benefits.

The invention discloses a method for preparing acid and alkali through sodium sulfate bipolar membrane electrodialysis, belongs to the technical field of acid and alkali making, and aims to solve the problems that the existing acid and alkali making process is complex and high in production cost. The method comprises the following steps: (1) dissolving a sodium sulfate decahydrate solid to form a sodium sulfate solution; (2) adding sodium carbonate and sodium hydroxide into the sodium sulfate solution, reacting to form a solid precipitate, and adjusting the pH value of the solution to 8-10; (3) carrying out filtering and advanced oxidation processes on the solution to remove solid impurities and organic matter impurities; (4) performing secondary filtration on the solution, adsorbing impurities through activated carbon, and adsorbing calcium and magnesium ions through resin; (5) filtering the solution through a precision filter, so that the contents of various ions and impurities in the filtrate meet the design requirements of bipolar membrane electrodialysis; and (6) treating the filtrate through a bipolar membrane electrodialysis process to obtain sodium hydroxide and a sulfuric acid solution, and recycling the low-concentration sodium sulfate solution. The method is suitable for sodium sulfate bipolar membrane electrodialysis acid-base preparation.

The invention discloses a low-fish-meal-content compound pellet feed for young Chinese soft-shell turtles and a preparation method and belongs to the field of feed. The low-fish-meal-content compound pellet feed is prepared from, by weight, fish meal 30-35%, fermented soybean meal 12-17%, soybean protein concentrate 12-17%, corn protein powder 2-3%, gelatinized starch 20-22%, a compound animal-derived nutritional feed attractant 6-12%, mixed oil 1.5-3.0%, coated methionine 0.1-0.3%, choline chloride 0.1-0.3%, calcium dihydrogen phosphate 0.8-1.2%, vitamin premix 0.3-0.5%, mineral premix 0.3-0.5% and phytase 0.01-0.02%. The low-fish-meal-content compound pellet feed is comprehensive and balanced in nutrition and meets the nutrition demands of the young Chinese soft-shell turtles. Compared with current commercially available commodity feed for the young Chinese soft-shell turtles, the production cost is remarkably reduced, breeding effect is good, and feed coefficient is low.