65results about How to "Small specific volume" patented technology

The invention discloses a preparation method for a clindamycin phosphate powder injection raw medicine which comprises the steps: (a) purification is carried out on a crude product of clindamycin phosphate; (b) crystallization and crystal growth are carried out on filter liquor after the filter liquor is arranged in a crystallization tank; (c) centrifugal separation and washing are carred on crystallization liquor; (d) fast temperature raising and drying are carried out on a clindamycin phosphate wet finished product. The preparation method for the clindamycin phosphate powder injection raw medicine has the advantages of favorable water solubility, uniform crystal form particles, small specific volume, big bulk density, low solvent residue, and the like. The method also simplifies the process operation, and dramatically enhances the product yield.

The invention discloses aprocess of two-stage condensing phosphoric acid with wet method. It comprises condensing phosphoric acid, clarifying, adsorbing with fluorine and water circulation system; and it employs a two-stage condensing course in series: adding diluted phosphoric acid into the first stage condensing closed circuit, heating with steam, steaming out of water in a short time invacuum condition to condense phosphoric acid into mediate acid, clarifying to remove part of suspending soild and getting clean acid A; putting acid A to the second condensing system to be condensed into diluted phosphoric acid, clarifying and getting clean acid B, that is the finished product. The left acid by clarifying in the two stages is used for preparing compound fertilizer or is recoveried after press filtration; the SiF4 and HF in steam is adsorbed through two-stage adverse current and is prepared into side product of fluosilicic acid. The invention smploys a two-stage condensing process, which improvese heat and mass transferring process, saves investment at the same production capability; reduces phosphoric acid circulation amount and circulating water consumption; reduces phosphoric acid viscosity and improves concentration and quality of finished product.

A heat pump of steam compression type in using water as working media is featured as using water as working media, applying impeller compressor, adding interstage heat taker between various stages of compressors to realize combination of staging compression and interstage heat-take for taking away heat built up by residual heat fluid and compression power consumption of heated fluid at said heat taker and condenser separately, adding heat regenerative unit to be used on superheat of low pressure steam for improving compression course.

The invention relates to a Brayton-cascade steam Rankine combined cycle power generation system. The gas exhaust of a Brayton cycle is adopted as a heat source for a high-temperature end steam Rankine cycle, a steam condenser in a high-pressure end steam Rankine cycle is adopted as one of heat sources for a low-pressure end steam Rankine cycle, the latent heat of vaporization of the steam in the high-pressure end steam Rankine cycle is efficiently recovered to be used for power generation in the low-pressure end steam Rankine cycle, consequently, the load of the steam condenser of the conventional steam Rankine cycle system can be effectively reduced by more than absolute 20 percent, and by adopting a system optimization technique, the absolute thermal efficiency of the cycles of the whole system can be increased by more than 5 percent. The Brayton-cascade steam Rankine combined cycle power generation system not only can be used in the energy-saving alteration of conventional units, but also can be used in the design and construction of new units, and economic, social and environmental protection benefits are remarkable.

The invention relates to manufacture of an integrated electrode with high specific volume which is an electrode material used in a capacitor, and relates to a process and method for depositing on a surface of a conductive substrate, especially on a metal surface such aluminum foil or nickel foam, to form cyanpolysiloxane, rear-earth oxides and multicomponent high-dielectric metal oxides so as to manufacture the integrated electrode with high specific volume and further process the integrated electrode with high specific volume into a capacitor.

The invention relates to a low-grade smoke organic rankine cycle waste heat generating system of a heating furnace in a steel rolling plate plant, wherein air, a coal gas heat exchanger and a working medium evaporation chamber are in the heating furnace; the working medium evaporation chamber is filled with normal pentane and is provided with a working medium tubular evaporator; a steam outlet of the working medium evaporator is connected with a steam inlet of a steam turbine generator set through a pipeline; the steam outlet of the steam turbine generator set is connected with a steam inlet of a fixed tube-plate type heat exchanging condenser through a pipeline; a liquid outlet of the fixed tube-plate type heat exchanging condenser is connected with a liquid inlet of a seal circulating pump through a pipeline; a liquid outlet of a working medium seal circulating pump is connected with a working medium liquid inlet of the evaporation chamber through a pipeline; a water outlet of a cooling tower is connected with a water inlet of a water circulating pump through a pipeline; a water outlet of the water circulation pump is connected with a cooling water inlet of the fixed tube-plate type heat exchanging condenser through a pipeline; and a cooling water outlet of the fixed tube-plate type heat exchanging condenser is connected with the cooling tower through a pipeline. According to the invention, the waste heat of tail gas of the heating furnace at the temperature of 300-100 DEG C can be recycled.

The invention relates to steamed oatmeal buns and a processing method thereof. The steamed oatmeal buns comprise the following components in parts by weight: 50 parts of wheat flour, 30 parts of oatmeal, 1-5 parts of vital gluten, 0.4 part of yeast, 0.5 part of polydextrose and 21 parts of water. The invention further provides the processing method of the steamed oatmeal buns, and the processing method comprises the following steps: carrying out steaming and microwaving to the oatmeal, making a paste, using raw materials such as the vital gluten and the polydextrose to improve the quality of the paste, and increasing the content of oat in the paste through a paste making technology and formula, so as to enable people to intake more oat while a less amount of bud is taken and effectively lower human body blood fat and blood glucose. Due to very high contents of dietary fiber and beta glucosan, the aging speed of the buns is relatively low, and decline in bun quality caused by adding a large amount of oatmeal can be avoided, namely sharp increase of hardness and sharp decrease of specific volume can be avoided; the steamed oatmeal bun is relatively white, and has an acceptable appearance. The steamed oatmeal bun adopts the combination of the formula and the process, so that the processing performance of the past is improved, the content of oat in the buns is increased greatly, the buns are added with nutrients, and the effects of lowering blood fat and blood glucose are enhanced.

The present invention relates to a reciprocating compressor. The present invention can prevent friction loss or abrasion between a cylinder and a piston, which is caused when a hydraulic bearing is blocked with a foreign substance, by preventing the foreign substance mixed in refrigerant gas from flowing into the hydraulic bearing, and can improve compressor performance by preventing a specific volume in a compression space from increasing when high-temperature refrigerant gas discharged in the compression space is cooled, such that vibration noise of the compressor can be reduced since a gas guiding part offsets vibration and the noise generated when a refrigerant is discharged in the compression space. Furthermore, the number of vibrations of a mover is increased and a driving operation for removing foreign substances is carried out to increase the number of vibrations of a cylinder such that any foreign substance stuck in a gas hole can be cleaned, thereby increasing performance and reliability of the compressor.

The invention discloses a drug for treating cardiovascular and cerebrovascular diseases and a preparation method thereof. The drug is prepared by danshen root, sanchi, ginkgo leaf, angelica and Astragali radix according to certain weight ratio. The drug of the invention has the efficacy of treating the cardiovascular and cerebrovascular diseases.

The invention discloses an ocean heat energy open circulation power generation system which comprises a flash evaporator, a warm seawater pipe, a warm seawater pump, a low-pressure steam pipe, a front-arranged small steam turbine, a steam compressor, a high-pressure steam pipe, a main steam turbine, a power generator, a steam exhaust pipe, a surface type condenser, a cold seawater pipe, a cold seawater pump, a steam pumping pipe and a heat exchange pipe bundle. Low-pressure steam is divided into two channels, one channel of low-pressure steam enters the front-arranged small steam turbine to do work to drive the steam compressor to work, the other channel of low-pressure steam is compressed by the steam compressor to become high-temperature high-pressure steam, the high-temperature high-pressure steam then enters the main steam turbine to do work to drive the power generator to generate power, part of steam is pumped from the main steam turbine to be used for heating seawater in the flash evaporator, and the amount of the steam generated by the flash evaporator is increased. According to the ocean heat energy open circulation power generation system, the size of the steam turbine in existing open circulation is effectively reduced, and the problem that the unit capacity is limited is solved; the ocean heat energy open circulation power generation system has the advantages of being high in system heat efficiency, high in water power utilizing rate, high in net power generated power and the like.

A Chinese medicine in the form of oral liquid, syrup, capsule, particle, tablet, or pill for treating and preventing coronary heart disease, pnenmocardial disease, cerebroanoxia and angina pectoris is prepared from 3 Chinese-medicinal materials including rhodiola root, wolfberry fruit, etc. Its preparing process is also disclosed.

The invention discloses compound morchella mycelium polysaccharide granules. The compound morchella mycelium polysaccharide granules are prepared from the following compositions in parts by weight: 2-5 parts of morchella angusticeps polysaccharide liquid, 3-6 parts of morchella conica polysaccharide liquid, 3-5 parts of dextrin, and 2-4 parts of fructo-oligosaccharide. During preparation, sizing agents obtained by mixing are sterilized, and then vacuum specific volume reducing treatment is performed for drying. The compound morchella mycelium polysaccharide granules disclosed by the invention have the bioactivity of resisting oxidation, resisting tumors, adjusting immunity, resisting weariness and the like; and the compound morchella mycelium polysaccharide granules contain protein, amino acids and other substances, so that the nutrients of the granules are enriched, and the compound morchella mycelium polysaccharide granules are health-care nutritive foods.

The invention discloses a liquid cooling cooling-water machine provided with an adjustable supercooler unit. The heat exchange temperature adjustable supercooler unit is connected between a condenserand a throttling element in the cooling-water machine in series. The supercooler unit comprises a motor, a driving screw rod, a driven screw rod and a supercooler. The supercooler comprises a top cover, a cooling pipe, a corrugated pipe, springs, limiting sleeves, spacer sheets, a supporting sleeve and a liquid trap which form multiple series-connected cavities. By changing the internal volumes ofthe multiple cavities, the internal heat exchange area and internal temperature of the supercooler are adjusted, so that the supercooling capacity of a coolant at an inlet of the throttling element is controlled dynamically, the specific volume of the volume occupied by flash gas in the throttling element is controlled, the cooling capacity is increased, and the energy efficiency of the cooling-water machine is improved. In addition, the supercooler can conduct effective superheating on the coolant at an outlet of an evaporator, so that part of residual liquid at the outlet of the evaporatoris further evaporated through superheating, the phenomenon of gas suction liquid carrying of a compressor is effectively inhibited, and normal operation of the compressor is ensured.

The invention relates to myopia-preventing printing ink capable of effectively absorbing high-energy harmful blue light and a preparation and spraying method thereof, wherein the myopia-preventing printing ink comprises an inorganic pigment, vegetable oil, calcium carbonate, acrylic resin and a defoaming agent, and is characterized in that the myopia-preventing printing ink comprises 45-55 parts of the inorganic pigment, 20-25 parts of the vegetable oil, 5-15 parts of the calcium carbonate, 5-10 parts of the acrylic resin and 2-2.5 parts of the defoaming agent. The myopia-preventing printing ink has the beneficial effects that the finished product ink is fine in particles, bright in color, strong in covering power, small in apparent specific volume, excellent in resistance and extremely high in chemical stability and high-temperature resistance, and high-energy harmful blue light with the wavelength ranging from 410 nm to 460 nm can be effectively absorbed after the paper is coated andprinted on site. The main wavelength of a printed finished product is in an accurate range of 572 + / -5 nm; the spectral point color has bright vision spectral light visual efficiency of 95% or more,and does not change along with different light intensities, so that frequent adjustment of eyes caused by light intensity change can be reduced, visual fatigue is relieved to the maximum extent, damage to vision is reduced, and the effects of protecting vision and preventing myopia are achieved.

The invention discloses a hybrid power circulating system, an operating method of the hybrid power circulating system and a power generation system. The hybrid power circulating system comprises a powder subsystem and an absorption type hot-pump subsystem. The power subsystem comprises a steam-liquid separator, a condensate working medium booster pump, a high-temperature steam generator and a steam power device which are sequentially connected. The absorption type hot-pump subsystem comprises an absorber, a generator and a condenser. Exhaust steam output by the steam power device is used as a generation heat medium, and the generation heat medium is input into a generation heat exchanger; exhaust steam output by an exhaust steam pipeline is also used as working medium steam, the working medium steam is directly guided into the absorber and is absorbed by an absorption solution, heat is released, and heat absorption is increased by the released heat; and a generation heat medium which flows through the generation heat exchanger and a condensate working medium which is generated in the condenser are jointly used as an absorption heat medium and conveyed to an absorption heat exchanger. The absorption heat medium flowing through the absorption heat exchanger is input into the steam-liquid separator from the middle of the steam-liquid separator. According to the hybrid power circulating system, an absorption type heat pump system is organically combined with a Rankine cycle, and the heat energy utilization efficiency is improved.

The invention relates to the technical field of capacitors, in particular to an electrolytic capacitor for a quick charging system of a new energy vehicle. The electrolytic capacitor for the quick charging system of the new energy vehicle is characterized in that at least three anode leads are riveted to an anode aluminum foil, at least three cathode leads are riveted to a cathode aluminum foil, the electrolytic capacitor comprises an anode aluminum foil, first electrolytic paper, a cathode aluminum foil and second electrolytic paper from the inside to the outside, and the anode aluminum foil, the first electrolytic paper, the cathode aluminum foil and the second electrolytic paper are wound to form an element which is sleeved with a capacitor cover and placed in an aluminum shell. The electrolytic capacitor has the advantages that due to increase of lead quantity, contact areas of the leads and the aluminum foils are widened, impedance is reduced, and current surge resistance is improved; by size arrangement, withstand voltage of the electrolytic capacitor is increased while specific volume and internal resistance are reduced; voltage endurance capability can be improved owing to high-density composite paper, and more electrolyte can be absorbed by low-density composite paper, so that service life of the whole electrolytic capacitor can be prolonged.

The invention relates to a steam Rankine-organic Rankine combined cycle power generation device, wherein steam in a steam Rankine cycle is cooled by an organic working medium in an organic Rankine cycle, and latent heat of vaporization of the steam in the steam Rankine cycle is recycled to be used for organic Rankine cycle power generation, so that the steam Rankine cycle and the organic Rankine cycle are combined together and an implementable combined recycling device is formed; and meanwhile, the safety difficult problem that waste heat of flue gas is recycled by the organic Rankine cycle is solved, exhaust gas temperature is effectively reduced, and low-temperature corrosion of the flue gas is avoided, and waste gas, waste water and waste heat of waste steam in a steam Rankine cycle system can be effectively recycled. The steam Rankine-organic Rankine combined cycle power generation device can be used for energy-saving reconstruction of existing units, also can be used for designing and constructing new generator units as well, and is especially suitable for new construction, extension and reconstruction of generator units in severe cold areas, water-deficient areas, power shortage areas and the like, so that economic, social and environmental-friendly benefits are remarkable.

The invention relates to a steam turbine steam guiding control device that comprises a semicircular guide body and a blade assembly, wherein the blade assembly is inserted into an installation groovein the end face of the guide body, and the two ends of the blade assembly are fixed to the guide body through taper pins. The guide body comprises three steam inlets formed in the circumferential direction of the guide body at intervals, and three steam outlet grooves that are formed in the installation groove at intervals, wherein the steam inlets communicate with the corresponding steam outlet grooves through steam channels in the guide body correspondingly, and the blade assembly comprises a first blade set, a second blade set and a third blade set which bear steam flowing into the three steam outlet grooves correspondingly so as to guide and expand to do work. According to the steam turbine steam guiding control device, the steam inlets are communicated with the corresponding steam outlet grooves through the steam channels, and therefore the amount of steam in different areas of the guide body can be controlled; and the blade assembly is inserted into the end surface of the guide body, so that the blade assembly and the guide body can be detachably mounted.

The invention discloses a system and method for producing low-temperature water through microporous flash evaporation. The system comprises a water tank, a booster pump, a reflux pump, a condensate tank, a vacuum pump, a condenser, a compressor, a microporous hydrophobic material assembly, a reducing valve and a cold dissipation device. The system is based on the Laplace law, and in other words, the saturated vapor pressure on the surfaces of convex liquid drops is higher than that of plane liquid drops; water is pressurized to penetrate the microporous hydrophobic material assembly, and then,the convex liquid drops are formed; and the flash evaporation pressure formed when water flash evaporation occurs is increased, and the compression ratio of the compressor is reduced. According to the system and method, the water serves as a refrigerant, and the system achieves the remarkable environment protection feature; the convex liquid drops are obtained through the microporous hydrophobicmaterial assembly, and the saturation pressure and specific volume formed when water flash evaporation occurs are changed; and operation energy consumption of the system can be remarkably lowered, andthe size of compressor equipment can be remarkably reduced. The system for producing the low-temperature water through microporous flash evaporation has the beneficial effects of energy conservation,environmental protection and the like.

The present invention provides a preparation method of an anodic tantalum block capable of reducing the change rate of a capacity of tantalum capacitor. The method includes the following steps that: (1) tantalum powder for anodic tantalum block molding is selected; (2) the forming voltage and upper-limit compaction density of the anodic tantalum block are designed, and corresponding specification parameters of the anodic tantalum block are designed; (3) the tantalum powder selected in the step (1) is pressed according to the related parameters in the step (2), so that the anodic tantalum block can be formed; and vacuum sintering is performed on the molded anodic tantalum block. According to the preparation method of the invention, in the allowed range of the manufacturing techniques of the product, the actual density of the anodic tantalum block is increased, or the sintering temperature of the anodic tantalum block is increased, or the specific volume of the sintered anodic tantalum block is decreased, and therefore, the change rate of the capacity of the non-solid tantalum electrolytic capacitor under 125 DEG C can be effectively decreased, and thus, the problem of large change of the capacity of the non-solid tantalum electrolytic capacitor under high temperature can be solved, and a manufacturing guarantee can be provided for high-precision requirements of the market for this kind of products.

The invention discloses toast with a hypoglycemic response characteristic. The toast is brown rice and oat toast prepared by taking vital gluten and coarse grain components as main materials, matchingwith a modifier and a main material modifier, and mixing with raw material water, wherein the coarse grain components are oat powder and coarse rice powder, the main material modifier is salt, butterand chromium-rich yeast, the modifier is prepared from nuts, resistant dextrin, fiber powder, psyllium husk powder, cucurbita pepo polysaccharide and a cactus extract, and the raw material componentscomprise, by mass, 40-60 parts of vital gluten, 15-25 parts of oat powder, 15-25 parts of coarse rice powder, 3-5 parts of a main material modifier, 7-15 parts of a modifier, and 100 parts of water.The invention relates to toast with high coarse grain content and a low blood sugar response characteristic, and a preparation method of the toast.

The crystal of 3-{5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl}propionic acid having peaks at the position of 14.0, 16.0, 23.3, 23.7 and 26.3° and the crystal of 3-{5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl}propionic acid having peaks at the position of 14.6, 23.1, 24.7, 25.6 and 26.0° on 2θ of diffraction angle in a powder X-ray diffraction pattern have a small specific volume, are hard to be charged with electricity, are easily handled and are useful for an active pharmaceutical ingredient of excellent anti-rheumatic agents.

The invention discloses a device for improving vacuum of a thermal power generating unit. The device comprises a steam turbine low-pressure cylinder which is equipped with a steam exhaust pipeline; the steam exhaust pipeline is respectively connected with a steam condensing device and an air cooling steam condenser; mixing devices are arranged in the steam exhaust pipeline and a steam distribution pipeline of the air cooling condenser; a condensed water tank and an air pumping device are connected to the lower end of the air cooling condenser; the condensed water tank is connected with a circulating condensed water collecting tank through a condensed water regulating valve; the circulating condensed water collecting box is connected with the air pumping device; the air pumping device is sequentially connected with reverse rankine cycle electric pump refrigerating system through a second cooling water regulating valve and a circulating cooling water pump in a sequence; the circulating condensed water collecting tank is connected with a reverse rankine cycle electric pump refrigerating device through a check valve, a water pump and a demineralized water regulating valve in a sequence; the circulating condensed water collecting tank is connected with the steam condensing device through a circulating water pump; the circulating cooling water pump and a first cooling water regulating valve are connected with the steam condensing device; the condensed water tank is connected with the steam condensing device through the circulating water pump.

The invention relates to an enhanced vapor injection system and a control method. An indoor heat exchanger, a flash evaporator, a compressor, a heat exchanger and an outdoor heat exchanger are included. A liquid outlet of the flash evaporator, the heat exchanger, the outdoor heat exchanger, an air suction port of the compressor, an exhaust port of the compressor, the indoor heat exchanger and a liquid inlet of the flash evaporator are sequentially in communication, and a first main loop is formed. The exhaust port of the compressor, the outdoor heat exchanger, the heat exchanger, the liquid outlet of the flash evaporator, the liquid inlet of the flash evaporator, the indoor heat exchanger and the air suction port of the compressor are sequentially in communication, and a second main loop is formed. The liquid outlet of the flash evaporator communicates with the air suction port of the compressor through the heat exchanger, and a first auxiliary loop is formed. An air spraying port of the flash evaporator communicates with an air supplementing port of the compressor, and a second auxiliary loop is formed. According to the provided enhanced vapor injection system and the provided control method, the heat exchange capability of the evaporation side can be effectively improved, the heating and refrigerating capability of the system is improved, and actual application requirements are met.

The present invention discloses healthy frozen sweet bread containing compound beta-glucan and a preparation method of the healthy frozen sweet bread. The healthy frozen sweet bread comprises the following raw materials: frozen dough mix powder, water, compound beta-glucan, oat beta-glucan, yeasts, lactic acid, whole milk powder, butter, ghee, whole egg liquid, salt, a frozen dough improver, sugar, honey and citric acid. The beta-glucans with similar and different bond types in oat and agaricus blazei are combined, stability of the structure under different conditions is ensured, at the same time, healthy and beneficial functions for human body are well played, quality of the frozen sweet dough product is optimized at the same time, a health-care function is reached, and the preparation method improves content of the beta-glucan in the product and avoids mutual exclusion of the beta-glucan on the dough and the corresponding product bread.

The invention discloses a refrigerating system applicable to automobile engine exhaust. The refrigerating system comprises an evaporator, a working medium pump, an exhaust heat regenerator, a condenser, a screw expander, a compressor, a generator, circulating pipelines, a liquid storage tank, an electric power storage tank and the like. One part takes an exhaust heat source emitted from an engineas the heat source, exhaust emitted by an automobile exhaust pipe heats an organic working medium in the liquid storage tank, the organic working medium is changed into a gaseous state from the liquidstate, then steam is introduced into the expander for acting through a steam pipe, and one part drives the compressor to perform refrigerating; and the other part is brought to the electric power storage tank for energy storage through the turbine generator, so that the compressor operates normally when the engine stops working. The refrigerating system fully recovers heat energy in the automobile exhaust, and the utilization rate is high.

Belonging to the technical field of medicine, the invention discloses a preparation method of a ceftriaxone sodium powder preparation for injection. The method includes: firstly adding a first batch of a solvent b into a crystallization tank during crystallization treatment, then slowly adding a crude ceftriaxone sodium solution into the crystallization tank, and then adding a second batch of thesolvent b; wherein the solvent b is any one of acetone, acetonitrile or isopropanol. The preparation process adopted by the invention is simple, and can effectively improve the product quality. The obtained product ceftriaxone sodium crystal has good flowability, is easy for subpackaging and stable in quality, and the color grade, clarity and purity of the product are also improved.

The invention discloses a hybrid doped polypyrrole paper-based flexible electrode material, which is prepared by the following steps: simultaneously dissolving a certain amount of lignosulfonate and anthraquinone-2-sodium sulfonate in a certain amount of distilled water to obtain a hybrid doped solution; dispersing a certain amount of cellulose fibers in a hybrid doping solution, placing in an ice-water bath, mechanically dispersing, adding a certain amount of pyrrole monomer, mechanically stirring for a certain time, and dropwise adding a ferric trichloride oxidant solution to initiate polymerization; and after polymerizing for a certain time, filtering, washing and drying a product to obtain the hybrid doped polypyrrole paper-based flexible electrode material. The method has the advantages that the process is simple, the raw materials are easy to obtain, and the method is suitable for large-scale industrial production; and the prepared hybrid doped polypyrrole paper-based flexible electrode material has the characteristics of low cost and high specific capacity.