81results about How to "Easy to liquefy" patented technology

An ophthalmologic cutting device having a base support section for attachment with a movement generating device and a tip with a blade section. The blade section preferably has upper and lower edges, and a forward aspiration free edge extending between them, with the upper edge having a shorter longitudinal length compared with the lower edge and where the forward edge slopes down from a distal end of the upper edge to a distal end of the lower edge, and the lower edge presenting a material contact surface that is thinner in thickness than the upper edge. A slope back in the proximal direction of the forward edge of, for example, 10 to 45 degrees with a straight and / or curving forward edge or a combination of a straight and forward edge sections is preferred. Embodiments of the blade include a blade converging in thickness from top to bottom and one having a curved upper forward edge region and one with a lower edge that has a distal straight section and a recessed section positioned proximal of said distal straight section. The forward edge is also preferably defined by longitudinally diverging, opposing side walls.

A method of producing reduced volatility of urea fertilizers comprising: dissolving N-(n-butyl)-thiophosphoric triamide (NBPT) in an amino alcohol having the formula 1 —(H)x—N—((CH2)m—OH)n where m is 1-3, x is 0 or 1, and n is 2 when x is 1 and 3 when x is 0: or the formula 2 —(H)y—N—((CH2)—CHOH—CH3)z such that the length of the carbon chain where the secondary hydroxyl group is located is 3, y is 0 or 1, and z is 2 when y is 1 and 3 when y is 0 to form an NBPT solution; and combining a urea fertilizer in granular or liquid form with the NBPT solution.

An ophthalmologic cutting device having a base support section for attachment with a movement generating device and a tip with a blade section. The blade section preferably has upper and lower edges, and a forward aspiration free edge extending between them, with the upper edge having a shorter longitudinal length compared with the lower edge and where the forward edge slopes down from a distal end of the upper edge to a distal end of the lower edge, and the lower edge presenting a material contact surface that is thinner in thickness than the upper edge. A slope back in the proximal direction of the forward edge of, for example, 10 to 45 degrees with a straight and / or curving forward edge or a combination of a straight and forward edge sections is preferred. Embodiments of the blade include a blade converging in thickness from top to bottom and one having a curved upper forward edge region and one with a lower edge that has a distal straight section and a recessed section positioned proximal of said distal straight section. The forward edge is also preferably defined by longitudinally diverging, opposing side walls.

A method of producing reduced volatility of urea fertilizers comprising: dissolving N-(n-butyl)-thiophosphoric triamide (NBPT) in an amino alcohol having the formula 1—(H)x—N—((CH2)m—OH)n where m is 1-3, x is 0 or 1, and n is 2 when x is 1 and 3 when x is 0: or the formula 2—(H)y—N—((CH2)—CHOH—CH3)z such that the length of the carbon chain where the secondary hydroxyl group is located is 3, y is 0 or 1, and z is 2 when y is 1 and 3 when y is 0 to form an NBPT solution; and combining a urea fertilizer in granular or liquid form with the NBPT solution.

The present invention relates to the use of organomodified siloxane block copolymers as care active ingredient for the care of human or animal body parts.

The invention discloses a split inserting type hole forming die which comprises an upper die and a lower die. The upper die is formed by arranging a plurality of insertion rod beams which are provided with hole forming insertion rods. The lower die comprises an insertion hole board, the two ends of the lower die are provided with side boxes for supporting, and guide rods are arranged on the insertion rod beams. Annular grooves are formed in the guide rods, and guide tubes are arranged in the side boxes. The top ends of the guide tubes are fixedly connected with clamping springs, and the upper die is supported through the clamping springs and the side boxes. The insertion rod beams are divided into more than two groups according to a downwards-moving order, and each group of the insertion rod beams comprises the plurality of insertion rod beams, the insertion rod beams of the same group are driven by the same pressure vibration table, and the rods are inserted into materials in batches to form holes. The split inserting type hole forming die is combined with a pole pulling device, and therefore the hole forming process of inserting the rods and pulling the rods out of a perforated brick can be finished. According to the split inserting type hole forming die, perforated brick products are more diverse, perforated bricks with smaller holes and higher hollow rates can be obtained, and in addition, the production efficiency is high, and the shapes of the holes are complete.

The invention relates to a centrifugal pump for delivering a gaseous suspension, in particular a fibrous stock suspension, having a pump impeller (12) which has at least one opening (15) in the base plate and ribs (16) on its rear side, wherein a separator unit (17) is provided, consisting of a separator housing (25) with a stationary disc (18) and a disc (22) which rotates together with the pump shaft (21), wherein the separator unit (17) is arranged in the pump housing, as viewed in the axial direction onto the pump impeller (12), so as to adjoin the pump impeller (12) on the rear side of the latter, and wherein the separator housing (25) has a gas collecting chamber (31) with gas discharge line (28). It is characterized in that the disc (22) which rotates together with the pump shaft (21) has a closed surface (23) without openings. As a result, the stock loss can be reduced and improved pump stability of the centrifugal pump can be achieved during the delivery of a gaseous suspension, in particular a fibrous stock suspension.

The invention relates to a sewage bio-denitrification and sludge reduction coupling bioreactor and the process, pertaining to the sewage treatment field. Presently, 90 percent of sludge of China can not be effectively treated and disposed in due time, which results in secondary pollution. Moreover, the total nitrogen removal efficiency of a sewage treatment plant (particularly sewage with low carbon-nitrogen ratio) is poor as a whole. However, the carbon source discharged by reduction release of remained sludge can be acted as effective carbon source, thus enhancing denitrification effect while reducing the quantity of sludge. The invention is sequentially provided with an anoxic zone for nitration, an anoxic zone for wandering trapping sludge to lower the molecular weight and reduce the sludge quantity and provide carbon source for denitrification, and an aerobic zone SND (synchronous nitration and denitration action) for further denitrification, along the water direction in sequence, with a volume ratio of 23 percent: 45 percent: 32 percent, and each zone is grown with suitable microorganisms. The total nitrogen (TN) of the effluent is 10.2mg / L, and ammonia nitrogen is 1.9mg / L, COD is 31.2g / L, and the sludge yield is 0.068gMLSS / g COD. The invention has been applied for the treatment of residential domestic sewage.

The invention discloses a heading machine using a supercritical carbon dioxide jet flow to break a rock. The technical problems that a disc cutter of the existing heading machine is easy to damage anomaly, low in heading efficiency, and high in cost are solved. The heading machine includes a cutter head system, a supercritical carbon dioxide jet nozzle is arranged on the cutter head system, the supercritical carbon dioxide jet nozzle is connected with a supercritical carbon dioxide generating device through a high-pressure pipeline, and the supercritical carbon dioxide jet nozzle is connectedwith the supercritical carbon dioxide generating device through a high-pressure pump station. The supercritical carbon dioxide generating device can generate supercritical carbon dioxide, the supercritical carbon dioxide can be transported to the supercritical carbon dioxide jet nozzle by the high-pressure pump station, the supercritical carbon dioxide can be jetted at a higher speed by the supercritical carbon dioxide jet nozzle to form a jet flow beam with high concentrated energy, and the jet flow beam is provided with the high destructive effect and can broke the rock to realize heading. According to the heading machine using the supercritical carbon dioxide jet flow to break the rock, the rock breaking efficiency is high, the cost is low, and a rock breaking medium is green and environmental protection.

In the present invention, petroleum is separated into hydrocarbon mixtures having different components at an atomizing step and a collecting step. At the atomizing step, the petroleum is ultrasonically vibrated and is discharged and atomized in a state of an atomized fine particle floating in a carrier gas. At this step, the petroleum is separated into a mixed fluid containing the atomized fine particle and the carrier gas and residual petroleum which is not atomized. At the collecting step, the hydrocarbon mixture is separated and collected from the mixed fluid obtained at the collecting step. In the separating method, the petroleum is separated into the residual petroleum and the mixed fluid at the atomizing step, and the mixed fluid is collected at the collecting step so that the petroleum is separated into hydrocarbon mixtures having different components.

The invention provides a high-power sulfur hexafluoride recovery recharging device. A sulfur hexafluoride electric device is connected with a main pipe of a busbar sequentially through a first hand valve, an adsorption tank, a first electric valve, a booster pump, a compressor, a second electric valve, a third electric valve, a first fan heat exchanger, a flooded shell-and-tube heat exchanger and a second hand valve, and a steel cylinder placed on an electronic balance is communicated with each branch pipe of the busbar. The connecting position of the sulfur hexafluoride electric device and the first hand valve is connected with a vacuum pump sequentially through a fourth hand valve and a digital display vacuum gauge and connected with the main pipe of the busbar sequentially through the second fan heat exchanger and a third hand valve. The connecting position of the first hand valve and the adsorption tank is connected with the connecting position of the third electric valve and the first fan heat exchanger through a pipe provided with a fifth electric valve. The connecting position of the adsorption tank and the first electric valve is connected with an inlet of the compressor through a pipe provided with an electric adjusting valve. The connecting position of the second electric valve and the third electric valve is connected with the main pipe of the busbar through a pipe provided with a fourth electric valve.

The invention discloses a method for preparing liquefied natural gas from coke oven gas. The method comprises the following steps that: (1) the feed gas of coke oven gas is compressed and cooled; (2) the cooled coke oven gas is divided into two parts: coke oven gas flow A and coke oven gas flow B, wherein the coke oven gas flow B is throttled by a J-T valve and then depressurized and cooled before entering the bottom of a gas stripping tower; and (3) the coke oven gas flow A is cooled and enters a gas-liquid separation tank; the liquid flow from the bottom of the gas-liquid separation tank enters the gas stripping tower; and the flow at the bottom of the gas stripping tower is throttled by the J-T valve to obtain the liquefied natural gas, wherein the cooling is performed in a heat exchanger. Through the method provided by the invention, the qualified liquefied natural gas product can be directly separated from the coke oven gas, the liquefied natural gas can be conveniently transported and utilized, and the added value of the coke oven gas is increased; moreover, the coke oven gas recovery technology has a simple flow and high automation degree; and the adopted equipment is reliable, and the economic benefits of a coke oven gas recovery device are increased.

The invention discloses a motorcycle engine exhaust valve stem which includes the head of one molding (1) and the rod (2). The circumference face at end of rod has a ring trough (4) and the head ( 1) located at the other end of the rod(2) , these two coinciding with the axis line. In the head (1) there is a groove(3), at the bottome of which has the capacity of home along rod part(2). The capacity of home(5) is filled by contents of sodium metal powder (6), and the Vice-home (5) Department of imports from Plug (7) Seal. This invention can timely release the heat on the head to the rod, then remove the heat from catheter. Thus it effectively prevents the head of the exhaust valve from suddenly warming and accumulating heat, and ensures the metallurgical structure and its intensity have no changes, eliminates disadvantagel caused by colloform sediment breaking upcoarse oil, so ensure the performance and the service life of exhaust valve stem.

The invention relates to the field of exploration and development of petroleum and gas, and provides a technique for purifying, liquefying and re-injecting oilfield CO2 flooding produced gas. According to the technical point, a method of supercharging by a multi-stage compressor and cooling by five-stage heat exchange is adopted, and the purpose of separating and liquefying the produced gas is achieved. The technique comprises the following process steps: supercharging the pretreated oilfield CO2 flooding produced gas by using a multi-stage compressor unit so as to reduce liquefying temperature of gas; and liquefying CO2 in a five-stage heat exchange cooling mode while the produced gas is separated. The technique has the advantages that for the high-CO2-content produced gas, the liquefying temperature of the gas can be reduced gradually along with rising of pressure in a certain range; and under the same pressure, the liquefying temperature of CO2 is higher than that of CH4 and N2. By the technique, while the produced gas is separated, purified and liquefied, injected liquid CO2 can be heated, energy is saved, and engineering cost is reduced.

The invention discloses a socket type pore-forming mold, a socket type pore-forming device and a method for preparing a porous brick thereof. The socket type pore-forming mold comprises an upper mold and a lower mold; the upper mold is formed by arranging a plurality of inserting rod cross-beams provided with pore-forming inserting rods; the pore-forming inserting rods are distributed below the inserting rod cross-beams in rows; an inserting hole plate which corresponds to the pore-forming inserting rods below the inserting rod cross-beams; both ends of the inserting rod cross-beams are assembled through assembling bodies; and guide devices are arranged between the inserting rod cross-beams and the assembling bodies. The socket type pore-forming device comprises the socket type pore-forming mold; the lower mold is two rails; the assembling bodies at both ends of the inserting rod cross-beams are placed on the two rails of the lower mold respectively; and a ramming mechanism, a vibration mechanism and a drawing mechanism are arranged above the upper mold respectively. The socket type pore-forming mold, the socket type pore-forming device and the method for preparing the porous brick thereof ensure that porous brick products thereof are more diversified, and can also ensure intact pore shapes and beautiful products.

A liquid in which fine solid Sn particles are dispersed in a resin is accommodated inside the heated tank 4. The resin pressurized by a pressurizing pump is conducted to a nozzle 1, so that a liquid-form resin is caused to jet from the tip end of the nozzle 1 that is disposed inside a vacuum chamber 7. The liquid-form resin which is caused to jet from the nozzle 1 assumes a spherical shape as a result of surface tension, and is solidified by being cooled in a vacuum, so that a solid-form target 2 is formed. A laser introduction window 10 used for the introduction of laser light is formed in the vacuum chamber 7, and laser light generated from a laser light source 8 disposed on the outside of the vacuum chamber 7 is focused by a lens 9 and conducted into the vacuum chamber 7, so that the target is converted into a plasma, thus generating EUV light.

The invention relates to a reaction device. According to the reaction device, a stirring device and a steam introduction mechanism are integrated, a high-temperature steam circulation channel is formed in the rotating shaft of the stirring device and blades, high-temperature steam is jetted through air jet holes in the blades, and the blades and the air jet holes are located in a tower body, so that on one hand, stream can be dispersed and is promoted to be liquefied on the tower body, heat of the stream is adequately released into the tower body, and soft water which is taken as a raw material for producing high-molecular polymers is formed after the liquefaction of steam; besides, the blades and the air jet holes can rotate along with the rotating shaft to further uniformly send stream to each part in the tower body, so that the stirring effect of high-temperature stream to the raw material of the high-molecular polymers in the tower body is improved, the reaction of the high-molecular polymers is relatively adequate and uniform, the content of un-reacted polymeric monomers is low, and the molecular weight of the high-molecular polymers is relatively uniform.

A radial spherical crystallization product having multiple needle-shaped projections radially extending outward from the core portion. The radial spherical crystallization product is produced by, for example, bringing a supercritical fluid mixed with a modifier according to necessity and a solution containing a sample component, which have been introduced through different flow channels, into contact with each other at the time of emission from the flow channels into a crystallization vessel. This radial spherical crystallization product can be used as a drug delivery carrier or medicine for transmucous or transpulmonary administration or as a fine carrier or fine stock drug such as dry powder inhaler (DPI).

The invention relates to a reaction tower with a pneumatic stirring device, comprising a tower body and a stirring device, wherein the tower body is a cylinder and has a holding space; the stirring device comprises a rotary shaft which is arranged at the center position of the tower body along a vertical direction and capable of rotating under the driving of a power device and a plurality of paddles arranged on the rotary shaft at intervals along the axial direction of the vertical direction of the rotary shaft; the rotary shaft is hollow to form an air passage, main channels arranged along the axial directions of the paddles and lateral channels arranged by forming a certain angle with the main channels are formed in the paddles, the main channels are communicated with the air passage and extend towards the axial directions of the paddles to form main air nozzles, and the lateral channels are communicated with the main channels and extend towards the radial directions of the paddles to form lateral air nozzles.

The present invention provides a process of corn starch sugar producing by an enzymatic technique. The process step mainly includes hydrolysis liquefaction, flash braise, saccharification, bleaching, ion exchange and enrichment of amylum material under the action of enzyme preparation; wherein the hydrolysis liquefaction uses a water heater as the braising and boiling reactor, and the water heater has an adjustable clearance for material entering into. In the process of the hydrolysis liquefaction, the pressure difference of the feeding amylum material and the discharged amylum material on the water heater can be controlled between 0.15-0.30MPa, and 0.20-0.25MPa are optimal; the single braising and boiling temperature is controlled between 110-130 DEG C, and 110-125 DEG C are optimal. The water heater adopted by the present invention can ensure a curtain pressure difference of the feeding material and the discharged material, can bring strong cut force, and can ensure zymolyte molecules sizes of the liquefaction liquid to be regular and proportioned. The present invention adopts high temperature braising and boiling, which can make the protein denaturation more rapid, more complete, and the flocculation better, and can facilitate the protein removing.

The invention discloses a crankcase combination capable of lowering engine oil loss. A left crankcase and a right crankcase are both provided with waste gas inlets and waste gas channels; the rear section of the waste gas channel of the right crankcase waste channel is provided with an isolation plate to form two paths of channels; the waste gas channel of the right crankcase on the front section of the isolation plate is provided with an oil and gas separation guide plate; a channel entering a waste gas nozzle, which is formed by the isolation of the waste gas channel of the right crankcase and the isolation plate, forms bending-type communication; a baffle is arranged in an oil return cavity; another cavity is isolated out of the oil return cavity by the baffle; a gasket is provided with a second communication hole; and the other cavity isolated by the baffle is communicated with the waste gas channel of the left crankcase by the second communication hole. According to the crankcase combination disclosed by the invention, vaporized engine oil is easier to liquefy. Under the action of the oil and gas separation guide plate, the engine oil and the waste gas can be easily separated, and most parts of vaporized engine oil can flow back to the crankcase again so as to reduce abnormal loss of the engine oil in the crankcase, thereby being favorable for protecting the engine to enable the engine to normally work.

The invention discloses a medicinal preparation for treating migraine and a preparation method thereof. The medicinal preparation comprises the following raw medicines according to the proportion: 10-30 grams of Ligusticum chuanxiong, 10-25 grams of angelica root, 10-25 grams of notopterygium root, 5-15 grams of gastrodia elata, 10-25 grams of prepared rhizoma arisaematis, 10-30 grams of Rhizoma Corydalis processed with vinegar, 10-25 grams of ligusticum, 20-50 grams of Astragalus root and 10-25 grams of Angelica sinensis. The preparation method of the treating migraine comprises the following steps of: utilizing ethanol to extract the Rhizoma Corydalis processed with the vinegar to obtain a concentrated extract; distilling by water vapor and extracting volatile oil; adding water into a mixture of dregs of a decoction, the gastrodia elata, the prepared rhizoma arisaematis and the Astragalus root and boiling; combining the solution with the aqueous solution; filtering and concentrating a filtering solution to obtain an extract; combining the extract with the concentrated extract of the Rhizoma Corydalis processed with the vinegar and concentrating the mixture to obtain a thick extract; and spraying the volatile oil to prepare various preparations. The medicinal preparation disclosed by the invention can better keep effective components in the medicine and has a good treating effect; aiming at the prior art, a traditional Chinese medicine formula is prepared into a modern preparation by the preparation method, so that the medicinal preparation disclosed by the invention is convenient to orally take and the process is scientific and reasonable.

The invention provides an alcohol fermentation method. The alcohol fermentation method comprises the following steps: a, slurrying: obtaining a starchy raw material, crushing the starchy raw material,and mixing with blending water to form a starch solution; b, liquefying: adding liquefying enzyme into the starch solution to obtain a liquefied solution, c, saccharifying: adding saccharifying enzyme into the liquefied solution to obtain a saccharified solution; d, fermenting: adding propanoic acid into the saccharified solution, and then inoculating with seed liquid for alcohol fermentation. Bythe alcohol fermentation method, through addition of the propanoic acid into the saccharified starch solution, the starch conversion rate during the alcohol fermentation can be increased to 90% or above; in addition, the added propanoic acid is low in cost, so that increase in the yield of alcohol and the profit thereof is facilitated.

The invention discloses a cold electricity, gas and fresh water co-production system based on LNG cold energy utilization. The system comprises a Rankine cycle power generation system, an LNG gasification expansion system, a seawater desalination system and an intermediate refrigeration cycle system. The LNG serves as a cold source to reduce the average heat release temperature of Rankine cycle, cold energy of different temperature sections is recycled while the temperature of the mixed working medium and the LNG is increased, one part of low-temperature cold energy is provided for industrialand commercial cold consumption systems, and the other part of low-temperature cold energy is used for sea water desalination. Turbines are respectively arranged in a Rankine cycle power generation system and an LNG gasification expansion power generation system to recover cold energy and pressure energy. When LNG is normally gasified into natural gas and enters a pipeline to be sent to a user, the cold energy recovery efficiency is improved, the power generation capacity is improved, meanwhile, fresh water resources can be additionally obtained, ocean cold pollution caused by direct dischargeof seawater is avoided, the energy utilization efficiency of the system is effectively improved, and the requirements for environmental protection and energy conservation are met.

A method for disinfecting a microtome cryostat (1) comprises a defrosting phase (11), provision (13) of a vaporous disinfection agent (2) which acts upon the closed cryostat chamber (3) and a period of time (14) during which said disinfection agent (2) acts, and having an associated device for carrying out the method. According to the invention, fast and effective disinfection and rapid restarting of a microtome cryostat (1) is possible with secure drying, the temperature difference (ΔT1, ΔT2) being produced after the period of time (14) in the cryostat chamber (3) whereupon the precipitated disinfection agent (2) is removed (18) to a cold area.

An internal combustion engine includes a camshaft, a cylinder head, a head cover, a high-pressure pump, and a vacuum pump. The high-pressure pump includes a plunger that abuts against a cam provided on the camshaft. The high-pressure pump is configured to be driven by rotation of the cam such that oil that has lubricated abutting portions of the cam and the plunger collides with an inside wall of the head cover. The vacuum pump is mounted to the cylinder head. The vacuum pump is configured to draw in air from an inlet and discharge an oil mist with air from an outlet. The outlet is arranged such that the oil mist with air from the outlet is discharged into a space where an oil mist formed by a spray of oil that has collided with the inside wall of the head cover stagnates.

The invention discloses keels and a wall surface system. The wall surface system comprises a plurality of keels which are vertically fixed on a structural wall body; a plurality of rows of wallboard units are arranged, and the plurality of rows of wallboard units are fixed on the plurality of keels; each keel comprises a keel body and two mounting surfaces formed on the keel body; the two adjacent rows of wallboard units are respectively fixed on the two mounting surfaces, so that a butt joint seam of the two adjacent rows of wallboard units is opposite to the keel body; a water guide groove opposite to the butt joint seam is formed in the keel body, and the water guide groove extends in the length direction of the keel body.