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174results about How to "Increase shipping costs" patented technology

Supercritical multisource multielement thermal fluid injection-production system and injection-production method

The invention discloses a supercritical multisource multielement thermal fluid injection-production system and injection-production method. The system comprises a supercritical multisource multielement thermal fluid generating system and an oil tube. The oil tube is arranged in an exploiting shaft; the supercritical multisource multielement thermal fluid generating system comprises a supercritical gasification reactor and a supercritical mixed combustion reactor; in the presence of supercritical water, a gasification reaction is performed on fuel slurry in the supercritical gasification reactor, and the gasification product of the reaction and oxygen-containing gas dissolved in the supercritical water combust in the supercritical mixed combustion reactor to form a supercritical multisource multielement thermal fluid containing supercritical water and carbon dioxide; the supercritical mixed combustion reactor is connected to the oil tube. The supercritical multisource multielement thermal fluid injection-production system provided by the invention has the effects that thermal efficiency is high, the viscosity of thickened oil is reduced, the flowability of the thickened oil is improved and the recovery efficiency is increased.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Method for alive preservation and transportation of sea cucumber

The invention relates to a method for alive preservation and transportation of sea cucumber, which belongs to the technical field of aquatic products. The method comprises the following steps: holding the transported sea cucumber (naturally fished and caught or artificially cultured) for at least two days, transferring the sea cucumber with strong vitality after holding into a cooling barrel which is disinfected in advance and contains filtered sea water for performing cooling treatment, then placing into a plastic bag (a small sponge after being soaked in the sea water at the temperature of 20 DEG C is arranged in the bag), exhausting the air in the bag, enabling the bag to be rapidly filled with oxygen, binding up a bag mouth, and boxing; loading two layers or three layers or four layers in each heat insulation box, determining according to the size of the sea cucumber and the size of space in each box, separating the layers by hardboards, using foam boards to support at the middle parts, preventing the plastic bag from being damaged by extrusion and further avoiding death caused by hypoxia of the sea cucumber or oppression on the sea cucumber; placing the upper layer of the hardboard into a bag which loads ice blocks in advance or a heat insulation bottle for heat insulation; and sealing with an adhesive tape after well boxing, marking and starting the transportation as soon as possible. By adopting the method, the survival rate of the sea cucumber during the transportation is effectively improved, and the transportation cost is reduced.
Owner:广东天海参威科技开发有限公司

Nano intelligent health powder coating

The invention relates to a nano intelligent health powder coating. The nano intelligent health powder coating is prepared from the material components: dispersible film-forming materials, inorganic functional element materials, negative ion powder, sea-foam powder, diatomite, titanium dioxide, germanite powder, carbon fiber powder, nano titanium dioxide, nano-silica, nano-zinc oxide, microcapsules, cellulose, dispersan, antifoaming agents and the like; the nano intelligent health powder coating is prepared by the following steps of preparation of activated microporous materials, nano-slurry dispersion and powdering, mixing and stirring, melt extrusion, ball milling separation and sieving and the like; interior wall powder coating, exterior wall powder coating, thermosetting powder coating;in addition to fully complying with national standards, the coating also has new functions of temperature regulation, humidity control, sound insulation, heat preservation, air purification, anti-corrosion, antibacterial sterilization, anti-mold, anti-condensation, anti-radiation, anti-static, permanent release; negative ions, trace elements, far-infrared, bio-current, and permanent adsorption offormaldehyde, benzene, odor, smoke and harmful gases; the coating can be widely used for wall painting of habitable rooms, classrooms, offices, hospitals and the like.
Owner:胡春宇

Method for producing calcium carbide raw materials through carbide slag

The invention relates to the field of carbide slag recycling in calcium carbide method acetylene production, in particular to a method that after physical separation is performed on carbide slag impurities, a calcium hydroxide component in the carbide slag impurities is extracted, and then calcium carbide raw materials are produced through carbide slag. The method for producing the calcium carbide raw materials through the carbide slag mainly comprises the following steps of fresh carbide slag screening; magnetic separating; ore grinding; ore pulp preparing; suspension separating; dewatering; carbon mixing, wherein filter cakes which are obtained after dewatering is performed and contain certain moisture are mixed with carbon material particles of which the particle size is smaller than or equal to 2 mm and the fixed carbon content is larger than or equal to 70% in a mixing machine according to the mass fraction ratio of 1.63:1-2.91:1; granulating and forming; drying; calcining. According to the method for producing the calcium carbide raw materials through the carbide slag, the shortcomings and defects in the prior art can be effectively overcome, reclamation recycling of the carbide slag is achieved, the impurities in the carbide slag can be effectively removed, the technology is simple and convenient, and the economical efficiency and practicability are achieved.
Owner:丰镇市嘉鑫硅锰合金有限公司

Resource utilization method for combined production of biogas and cultivation matrix through utilizing tobacco stalk fermentation

The invention provides a resource utilization method for the combined production of a biogas and a cultivation matrix through utilizing tobacco stalk fermentation. The method comprises the following steps: carrying out anaerobic fermentation of a main fermentation raw material which is waste tobacco stalks generated in the tobacco threshing redrying line to produce the biogas; carrying out solid-liquid separation of a biogas slurry and the tobacco stalks to obtain a tobacco stalk biogas residue and a biogas slurry; purifying the biogas to prepare clean fuels or to be used for electricity generation to provide partial energy for a plant area; and decomposing the tobacco stalk biogas residue, and carrying out dry molding to prepare the cultivation matrix, wherein the biogas slurry returns to a fermentation system to be recycled or to be used as a liquid organic fertilizer. The method provided by the invention has the advantages of simple production operation, concentrated and stable raw material, scale production benefiting, low production cost, realization of no pollution, zero discharge and cycle utilization of waste tobacco stalk resources of a threshing redrying plant, and generation of good economic, ecological and social benefits.
Owner:ZHENGZHOU UNIV

Method for producing lithium hydroxide from lithium-containing low-magnesium brine in form of lithium phosphate

The invention provides a method for preparing lithium hydroxide from lithium-containing low-magnesium brine in the form of lithium phosphate, and relates to the technical field of salt lake lithium extraction. The method comprises the following steps of: adjusting the pH value of the lithium-containing low-magnesium brine to be more than 10 by adopting an inorganic alkaline compound to precipitatecalcium and magnesium to obtain calcium and magnesium removed lithium-containing brine; adding a phosphoric acid solution to carry out precipitation reaction, centrifuging and washing the obtained lithium phosphate precipitate, and dissolving the lithium phosphate precipitate in a phosphoric acid solution to obtain a lithium dihydrogen phosphate solution; and purifying the lithium dihydrogen phosphate solution, then carrying out bipolar membrane electrodialysis, and concentrating and crystallizing the obtained lithium hydroxide solution to obtain a lithium hydroxide product. The method disclosed by the invention is simple and convenient to operate, high in removal rate of calcium, magnesium, sodium and potassium in the lithium-containing low-magnesium brine, high in material cyclic utilization rate, low in cost, and capable of continuously preparing lithium hydroxide, and the purity of the electrolyzed lithium hydroxide product is improved. The method is particularly suitable for extracting lithium from salt lakes of remote Tibet, Qinghai and South America featuring high raw material transportation cost and low photovoltaic power generation and energy storage cost.
Owner:YIDING SHANGHAI INFORMATION TECH CO LTD

Spray-seeding revegetation method for riverbeds in high elevation region

The invention provides a spray-seeding revegetation method for riverbeds in a high elevation region, and relates to the technical field of sand prevention and fixation. The method comprises the stepsthat 1, construction is prepared in dry season of a river; 2, before spay-seeding construction, the construction region is prepared, the to-be-constructed region is leveled, and garbage is removed; 3,a sand-fixation substrate is spray-seeded, where in 15-40% by volume of deep clay soil, 20-35% by volume of humic acid, 0.1-2% by volume of pellet agent, 0.5-3.0% by volume of polymer binder, 30-45%by volume of wood meal, 5-10% by volume of distillers' grains, 3-5% by volume of organic fertilizer and 0.4-2.5% by volume of seeds are mixed to be uniform to be prepared into the sand fixation substrate, and the sand fixation substrate is put into a spray-seeding machine and sprayed out uniformly; 4, the spray-seeding thickness is 2-3 cm, and the spray-seeding thickness is uniform. Accordingly, the sand fixation substrate has the advantages of being resistant to long-time water erosion and periodical hydrodynamic force, high in capacity of resisting wind erosion, high in fixed capacity, highin vegetation survival rate, small in preservation difficulty and low in cost.
Owner:青岛冠中生态股份有限公司
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