30results about How to "Simple energy consumption" patented technology

The invention discloses a method for extracting carotenoid and liquid biological fuel from Dunaliella sallina, which belongs to the technical fields of bioactive substance extraction and biological energy. The method comprises the following steps of: concentrating a Dunalielle sallina liquid by using a hollow fiber membrane and a centrifugal separation method to obtain an aqueous sallina paste, extracting the aqueous sallina paste by using supercritical carbon dioxide to obtain a carotenoid product and a sallina residue liquid, and liquefying the sallina residue liquid by using supercritical / near-critical water to obtain the biological fuel. The invention has the advantages of no need of drying raw materials, low energy consumption, environment protection for entire process, simple technology, high utilization ratio of equipment, conduction of extraction using supercritical carbon dioxide and liquefaction using supercritical / near-critical water in the same reaction kettle, high yield of carotenoid and the biological fuel, low production cost and suitability for large-scale production.

The invention relates to a reactor for mineralization fixation of carbon dioxide by fortified calcium-base solid wastes in an ammonia medium system and an application method thereof. The invention is characterized in that a pressurized loop reactor is used in the ammonia medium system's fortified calcium-base solid wastes mineralization fixation process of carbon dioxide. During the process, the reaction temperature is 60-200 DEG C, duration time of the reaction is 5-60 min, CO2 gas partial pressure is 1-40bar, and CO2 gas concentration is 20-99.99%. By the adoption of the pressurized loop reactor, defects such as high kinetic energy consumption of a stirred-tank reactor, large sealing difficulty of an overpressure system, easy deposition of solid materials in a mechanical agitation-free bubble column reactor and the like are overcome. The reactor provided by the invention has advantages as follows: pneumatic stirring replaces mechanical agitation; energy consumption is low; and the reactor is easy to process and is simple to clean, maintain and operate. The reactor is especially suitable for the ammonia medium system's fortified calcium-base solid wastes mineralization fixation process of carbon dioxide, has characteristics of high pressure gas and high solid content, and is easy for industrial scale-up.

The invention provides inorganic phase-change energy storing particles, floor heating mortar and a preparation method thereof. The inorganic phase-change energy storing particles comprise the following components in percentage by mass: 20-50% of inorganic phase-change material, 10-25% of water, 0.1-1.5% of phosphorylated starch gum, 0.1-1.5% of water-absorbent resin, 10-35% of gypsum, and 15-35% of cement. The inorganic phase-change energy storing particles are prepared by the steps of preparing phosphorylated starch gum, preparing materials, mixing, pelletizing, coating, and covering with films. The floor heating mortar comprises 15-35% of cement, 10-25% of sand, 20-50% of inorganic phase-change energy storing particles, and 20-30% of water. The floor heating mortar is prepared by preparing materials, and mixing. According to the inorganic phase-change energy storing particles, the floor heating mortar and the preparation method thereof, the raw materials are wide in source; the chemical stability is high; the phase change temperature is low; leakage is avoided; the energy storing particles are good in energy storing effect, and high in stability; the floor heating mortar is highin strength, and the indoor temperature can be effectively conditioned, and the energy saving effect is good; and various buildings such as a house, a school and a hospital widely apply.

The invention relates to the technical field of chemical catalysis. The invention discloses a catalyst for synthesizing propylene glycol ether. The catalyst is polyvinyl imidazole-divinyl benzene. A preparation method of the catalyst comprises the following steps: adding azodiisobutyronitrile into an ethyl acetate solution of 1-vinylimidazole with the concentration of 0.5-1.2 mol / L, heating the solution to 65-90 DEG C in the presence of N2 or inert gas, maintaining the temperature for 0.5-2 hours, adding an ethyl acetate solution of divinyl benzene into the solution, keeping the temperature at65-90 DEG C for 12-24 hours, and cooling and drying the product to obtain the catalyst for synthesizing propylene glycol ether, wherein the addition amount of azodiisobutyronitrile is 0.01-5wt% of that of 1-vinylimidazole, and the molar ratio of 1-vinylimidazole to divinylbenzene is 1: (0.01-20). The obtained catalyst for synthesizing propylene glycol ether has the advantages of high activity, high selectivity, low energy consumption, easiness in separation and the like, is low in production cost and is suitable for industrial production.

The invention discloses a high-efficiency and high-recovery-rate method for recovering industrial tin powder. The high-efficiency and high-recovery-rate method for recovering the industrial tin powder comprises the steps of pretreatment, smelting and aftertreatment and specifically comprises the steps that the tin powder to be recovered is screened till the grain diameters are smaller than 200 micrometers; the tin powder to be recovered is loaded to a crucible, the crucible is put into an airtight microwave heating cavity, and then, under the protective gas, microwave smelting is carried out to obtain a material a; and the material a is cast into a final product, namely metallic tin or a tin alloy ingot. According to the high-efficiency and high-recovery-rate method for recovering the industrial tin powder, rapid smelting of the metallic tin powder and tin alloy powder can be achieved through microwave heating, and the method has the characteristics of high heating speed and high heat efficiency; by adjusting the microwave power, the metallic tin powder can be melted within 8-15 minutes; compared with a traditional method, the method has the beneficial effects that the smelting time is shortened by 10 times or above, the heating efficiency can be improved by 5 times, and the energy consumption can be reduced by about 80 %; smelting is carried out under the condition of nitrogen, argon or mixed gas protection, the technological process is simple, operation is easy, the production cost is low, safety is achieved, no pollution is caused, and the performance of the cast ingot is relatively excellent.

An inorganic phase change energy storage particle, floor heating mortar and a preparation method thereof, wherein the mass percentage composition of the inorganic phase change energy storage particle includes: 20%-50% inorganic phase change material, 10%-25% water, 0.1%-1.5% Phosphated starch glue, 0.1%-1.5% water-absorbing resin, 10%-35% gypsum and 15%-35% cement; prepared phosphated starch glue, ingredients, mixing, granulation and coating, and coating The ground heating mortar is composed of 15% to 35% cement, 10% to 25% sand, 20% to 50% inorganic phase change energy storage particles, and 20% to 30% water; it is prepared by batching and mixing. The invention has wide sources of raw materials, good chemical stability, low phase transition temperature, no leakage, good energy storage effect of energy storage particles, high stability, high strength of floor heating mortar, can effectively adjust indoor temperature, good energy saving effect, and can be widely used It is widely used in residential buildings, schools, hospitals and other buildings.

The invention relates to the technical field of chemical industry catalysis, and discloses a catalyst for synthesizing propylene glycol ether. The catalyst is polyvinylimidazole-divinylbenzene, and its preparation method comprises the following steps: ‑Azobisisobutyronitrile is added to the ethyl acetate solution of vinylimidazole, N 2 Or heated to 65-90°C under inert gas, kept for 0.5-2h, then added divinylbenzene ethyl acetate solution, kept at 65-90°C for 12-24h, cooled, and the product was dried to obtain the synthetic propylene glycol ether The catalyst, wherein the added amount of azobisisobutyronitrile is 0.01-5wt% of 1-vinylimidazole, and the molar ratio of 1-vinylimidazole to divinylbenzene is 1:0.01-20. The obtained catalyst for synthesizing propylene glycol ether has the advantages of high activity, high selectivity, low energy consumption, easy separation, and low production cost, and is suitable for industrial production.

The invention discloses an aluminum core flexible cable and a manufacturing process thereof. 2, rough pulling; The aluminum rod is drawn into a thick aluminum wire with the diameter of 1.0 to 2.5 mm;3, pulling that small wire; The thick aluminum wire is drawn into fine aluminum wire with the diameter <= 0. 51mm; 4, thread; 5, bunch filament; 6, twist; Adopt layered twisting according to conductorstructure requirements; 7, time effect; 8, wrap that bag; 9, extrude that insulating lay and vulcanizing to obtain the aluminum core flexible cable. The process aluminium wire strand of the inventioncan be ageing after completion, can reduce the energy consumption of the edge ageing, is not easy to break the wire, has high wire drawing speed, and can reach 400-600m / min, and greatly improves theefficiency.

The invention provides a color fixed island composite short fiber and a preparation method thereof. The color fixed island composite short fiber comprises the following components by weight: 25-60 percent of low density polyethylene, 30-70 percent of nylon (6), 0.01-25 percent of nylon base coloring master batch and 0-4 percent of compatilizer. Compared with the prior art, the number of the islands of the color fixed island composite short fiber is fixed, as well as the size and the distribution of the short fiber are regular; color super-fine fiber synthetic leather prepared by adopting the preparation method has the advantages of bright and uniform color, high color fastness, no color difference between different batches, uniform carding, strong woolen sensation, high abrasion resistance, easiness in removing of dust after leather abrading, low probability of dust dropping during friction and the like; and besides, high energy consumption and high pollution dyeing process is simplified, and the preparation cost is reduced to a great extent.

The invention provides a frost-resistant fan which can be stored and delivered easily. A hoist rope goes around pulleys at a masthead to lift a supporting bamboo which is used for keeping an inhalation tube straight and lift an inhalation opening to the height of 7.7m (far higher than a mast). The lower end of the inhalation tube is connected with a fan shell and a fan base which are arranged on the ground; the fan in the fan base utilizes an electric blower in seasonal idle and removes a cast iron bottom plate and a vertical column which are not adopted by the invention. When a temperature controlled probe detects the temperature in a tea bush is lower than 3.5 DEG C, the fan then starts to run and the inhalation tube sucks the air not less than 5 DEG C from the upper space and transmitsthe air through a transverse tube and an exhaust ring to the tea bush to increase the temperature and blow away frost and coldness. The fan has the advantage that the price of each fan is less than one twentieth of that of an imported fan.

The invention relates to a method for preparing a compound, in particular to a method for preparing tris(dimethylamino)borane. The method directly uses a target product, namely tris(dimethylamino)boron, with the content over 90 percent as a solvent, introduces raw materials, namely boron trichloride and a dimethylamine solution into the solvent to react under a stirring condition so as to preparethe tris(dimethylamino)borane. The method is safe and environment friendly, saves the solvent, and reduces cost. When a reacting condition is selected properly, the tris(dimethylamino)borane can be prepared with quite high yield, and side products can be smoothly removed in a filtering process, so that purer tris(dimethylamino)borane can be obtained. The side products can be used as raw materialsfor recycling, or be used as products for sale after proper treatment, and are friendly to environment. The method has the advantages of mild and smooth reaction performance, controllable reaction velocity and reaction temperature through controlling aeration rate, and safety. After the reaction is finished, excess dimethylamine can be recycled.

The invention discloses a smilax saponin, a flavonoid extract and a preparation method thereof. The method comprises (1) processing the raw material of the smilax, including vacuum drying, crushing and enzymatic hydrolysis of the raw material. (2) The extraction of smilax saponins and flavonoids is refluxed with ethanol under the assistance of ultrasonic waves and then combined and concentrated, degreased with petroleum ether and extracted with chloroform and ethyl acetate respectively, and vacuum-dried to obtain the finished product after recovering the solvent. The flavonoid extract of Poria cocos contains 30-80% of flavonoid compounds; the obtained saponin extract of Smilax cocos contains 20-70% of saponin compounds. The present invention is characterized in that compound plant extract enzyme is used for pretreatment, and it is equipped with ultrasonic assisted extraction technology, so that the utilization of raw materials and medicinal materials is high, the product yield is high, the energy consumption is low, and the operation is simple and convenient. Extracts of flavonoids and saponins are widely used in the fields of raw materials, intermediates and health food, and have broad market prospects.

The invention discloses a method for extracting carotenoid and liquid biological fuel from Dunaliella sallina, which belongs to the technical fields of bioactive substance extraction and biological energy. The method comprises the following steps of: concentrating a Dunalielle sallina liquid by using a hollow fiber membrane and a centrifugal separation method to obtain an aqueous sallina paste, extracting the aqueous sallina paste by using supercritical carbon dioxide to obtain a carotenoid product and a sallina residue liquid, and liquefying the sallina residue liquid by using supercritical / near-critical water to obtain the biological fuel. The invention has the advantages of no need of drying raw materials, low energy consumption, environment protection for entire process, simple technology, high utilization ratio of equipment, conduction of extraction using supercritical carbon dioxide and liquefaction using supercritical / near-critical water in the same reaction kettle, high yield of carotenoid and the biological fuel, low production cost and suitability for large-scale production.

The invention relates to a reactor for strengthening calcium-based solid waste mineralization and fixing carbon dioxide in an ammonia medium system and a use method thereof, which is characterized in that the pressurized circulation reactor is used in the process of ammonia medium system strengthening calcium-based solid waste mineralization and fixing carbon dioxide, Wherein the adopted reaction temperature is 60-200° C., the reaction residence time is 5-60 minutes, the CO2 gas partial pressure is 1-40 bar, and the CO2 gas concentration is 20-99.99%. The pressurized loop reactor overcomes the disadvantages of large kinetic energy consumption of a stirred tank reactor, difficulty in sealing a high-pressure system, and easy deposition of solid materials in a bubble column reactor without mechanical stirring. The advantage of this reactor is that it adopts pneumatic stirring instead of mechanical stirring, has low energy consumption, and is easy to process, clean, maintain and operate, and is especially suitable for the process of strengthening calcium-based solid waste mineralization and fixing carbon dioxide in ammonia medium system with high-pressure gas and High solid content feature, easy for industrial scale-up.

The invention discloses a residue processing device which comprises a traveling crane frame and a filtering device. A traveling crane installed on the traveling crane frame is connected with a traveling crane grab bucket through a rope. A garbage storage bin and a feeding hopper are installed below the traveling crane frame. A heating device is arranged below a combustion furnace installed below the feeding hopper. An air inlet pipe installed on one side of the feeding hopper is arranged on the combustion furnace. Water pipes installed on the two sides of a metal recycling furnace are installed on the two sides of a desulphurizing device correspondingly. The desulphurizing device is connected with a neutralization reaction tower through the air inlet pipe. The filtering device is installed on a mounting rack on one side of a dust collector. The dust collector is connected with a sucking pump which is installed on one side of a chimney through a sucking pipe. The stage treatment technology is adopted, waste residues of hazardous substance can be processed, and waste residues containing hazardous substance or hazardous gas can be processed, so that the investment of waste residue innocent treatment equipment is reduced, and the construction cost is reduced.

The invention discloses a production method of a boron cast iron cylinder sleeve. The boron cast iron cylinder sleeve comprises, by weight, 3.5-3.7% of C, 2.5-2.8% of Si, 0.7-1.0% of Mn, 0.04-0.045% of B, 0.008-0.15% of Cr, and the balance of Fe. The production method of the boron cast iron cylinder sleeve has the advantages of high automation degree, low energy consumption and low pollution; the produced boron cast iron cylinder sleeve has good mechanical strength and hardness, is suitable for being promoted and applied in production running, has a simple structure, and has ingenious design; different external diameter surface designs are adopted, so the boron cast iron cylinder sleeve produced through the method is easy to combine, mount and dismount; and three layers of projections with different heights are arranged on the surface, so the combination force between parts is effectively increased, a gap between the parts is reduced, the service life of the boron cast iron cylinder sleeve is prolonged, and oil consumption is reduced.