317results about How to "Reduce evaporation loss" patented technology

A microfluidic system includes a microfluidic device connected to a bubble trap device whereby fluid flowing to the microfluidic device passes through the bubble trap device to remove gas bubbles prior to entering the microfluidic device. The bubble trap can include a separation chamber and an exhaust chamber separated by a hydrophobic porous membrane and gas bubbles in the fluid entering the separation chamber pass through the hydrophobic porous membrane into the exhaust chamber while the fluid remains in the separation chamber. The bubble trap can be formed by bonding a first body portion to a first side of the hydrophobic porous membrane and bonding a second body portion to a second side of the hydrophobic porous membrane. The exhaust chamber can be connected to an elongated exhaust channel that limits the evaporation losses of the fluid through the hydrophobic porous membrane.

The invention discloses a technology method for treating desulfurization wastewater, which are applicable to treating the wastewater generated from limestone-plaster wet flue gas desulfurization and other wastewater with high salt content. The method uses the flue gas of heat-engine plants to carry out evaporation and solidification treatment to the desulfurization wastewater or other wastewater with high slat content which is hard to be recovered. The method is characterized by low cost, little area occupation and low energy consumption, which can provide help to the original limestone-plaster wet flue gas desulfurization treatment technology and realize zero discharge of the wastewater of the limestone-plaster wet flue gas desulfurization technology.

The present invention discloses high temperature chain oil, the components and the contents are: high temperature antioxygen 1 to 5 percent, extreme pressure/anti-wear agent 1 to 10 percent, corrosion inhibitor 0.01 to 0.5 percent, and high temperature detergent dispersant 1 to 20 percent, the rest is base oil; the components and the contents of the base oil (weight ratio) are: dipentaerythritol ester 50 to 90 percent, and aromatic ester 10 to 50 percent. The preparation is as follows: the dipentaerythritol ester and the aromatic ester are mixed together according to the above ratio to prepare the base oil, a certain volume of the high temperature antioxygen, the extreme pressure anti-wear agent, the high temperature detergent dispersant and the corrosion inhibitor is added into the base oil, then the base oil is heated to 80 to 100 DEG C, and is agitated at the constant temperature for 0.5 to 1 hour, and is filtrated, thus the product is got. The present invention is characterized in that the coking volume can be obviously reduced, the anti-high temperature coking performance and the high temperature detergency performance can be improved, the product can be used under the 280 DEG C high temperature condition, the evaporation loss is little, and the coking volume is little, the lubrication performance and the high temperature detergency and dispersing performance is good.

The invention relates to the production of a spherical hollow filling body for filling containers for combustible and inflammable liquids or gases, and to a method for the especially advantageous usesthereof, for example, for preventing explosive combustion processes and explosions, for extinguishing fires, as protection against corrosion in tanks, for separating fuels and water, as protection ag ainst bacteria and fungi in fuel tanks, as protection against theft, for reducing hydrocarbon emissions, for increasing the stability and safety of tanks in the event of a crash, for reducing the boil-off effect of hydrogen, for applications in the chemical industry, for deriving static electricity from fuel containers, for protection against electromagnetic interferences, for reducing and slowingdown the B.L.E.V.E. effect, for increasing the filling quantity of gas containers, for heating and cooling liquids and gases, and for reducing evaporation loss. The invention also relates to methodsfor producing the filling body. Figure 1 shows a spherical filling body according to the invention, consisting of a plurality of disk-type circular vertical surfaces (1, 2 and 3) and a plurality of disk-type circular horizontal surfaces (7, 8 and 10) which are parallel to each other. A circular opening (6) is located in the centre of the horizontal surface (10), said opening forming an axial continuous tube in the centre, from the top (4) to the bottom (5), together with the upper, inwardly open, circular sleeve-type body (4) and the lower, inwardly open, circular sleeve-type body (5), the inner diameters of the sleeve-type, inwardly open circular bodies (4 and 5) and the circular opening (6) being identical. The vertical surfaces (1) extend from the outer edge of the spherical body to theedge of each circular opening (4, 5 and 6) of the parallel horizontal surfaces (7, 10 and 8) respectively surrounding the openings.

The invention relates to an extra-large fiber reinforced plastic (FRP) combined storage tank structure with a floating roof, and a construction method of the storage tank structure. The extra-large FRP combined storage tank structure comprises a tank top, a tank wall and a tank bottom, wherein the tank top has an FRP latticed shell structure; FRP plates are laid on the FRP latticed shell structure; the tank wall is composed of an inner layer FRP plate, an outer layer FRP plate and active powder concrete between the inner layer FRP plate and the outer layer FRP plate; the floating roof is arranged in the tank cover; a connection piece is arranged between the inner layer FRP plate and the outer layer FRP plate; concrete trapezoid grooves are sequentially formed between the inner layer FRP plate and the outer layer FRP plate along a circumferential direction; prestress bars are pulled between every two adjacent concrete trapezoid grooves section by section; and the inner layer FRP plate and the outer layer FRP plate are formed by connecting FRP spliced plates through tenon tongues and tenon grooves. The extra-large FRP combined storage tank structure is high in corrosion resistance and freezing resistance, insensitive to temperature change, low in heat transmission speed, favorable for keeping temperature in a tank body, high in compression strength, high in corrosion resistance and relatively high anti-permeability.

The invention discloses a photoresist peeling solution composition with metal protection. The photoresist peeling solution composition consists of the following substances in percentage by weight: 0.1 to 10 percent of quaternary ammonium hydroxide, 5 to 30 percent of water-soluble alkanol amine, 55 to 94.4 percent of water-soluble organic polar solvent and 0.5 to 5 percent of sugar alcohol additive, wherein the water-soluble organic polar solvent is sulfone, sulfoxide, amide or lactam solvent. Compared with the conventional peeling solution composition, the photoresist peeling solution composition has excellent corrosion resistance to a metal-based coating covered by photoresist, particularly copper and aluminum at the same time of ensuring excellent photoresist peeling performance, and has excellent side corrosion protection effect on the copper. Meanwhile, the peeling solution composition has low volatility and low toxicity, is easily cleaned by using deionized water, and has good maneuverability. The composition is used for peeling and dissolving a photoresist mask in a semiconductor element manufacturing process.

The invention discloses a renewable flue gas desulfuration agent and applications thereof, which aim at overcoming the defects that an adsorbent in the prior art is easily oxidized to generate heat stable salt, and thus the capability of the adsorbent in absorbing SO2 is lost, and the like. The desulfurization agent comprises the following compositions in percentage by weight: (A) 5-60% of diamine compounds containing ethoxyl or hydroxypropyl; (B) 2-40% of desorption auxiliaries; (C) 0.1-0.5% of an antioxidant; (D) 0.5-1% of a corrosion inhibitor; and (E) 5-90% of deionized water. The desulfurization agent can be used in the fields of coal-fired power plants, refinery enterprises, nonferrous metallurgy enterprises and the like, is low in energy consumption, capable of being recycled and free from secondary pollution, and heat stable salts are generated slowly.

The invention relates to the technical field of electroplating pretreatment, in particular to a process for carrying out vacuum cleaning, oil removal and wax removal by a modified hydrocarbon cleaner. The process comprises degassing ultrasonic cleaning, vacuum cleaning, vacuum steam flushing, vacuum drying and the like. A plurality of flows are carried out in the vacuum environment with a certain vacuum degree and are matched with a degassing ultrasonic cleaning and vacuum cleaning technology and the modified hydrocarbon cleaner. For the cleaning process, in the whole process, harmful substances of halogen and the like, such as trichloroethylene, methylene chloride, tetrachloroethylene and the like, cannot be used and additional drying equipment is not required. Particularly, the process has excellent cleaning effect on irregular articles with blind holes, joints, gaps, cracks and the like. Meanwhile, the defects of oil removal and wax removal of the conventional process are overcome.

The invention discloses mineral-oil-based high-temperature chain oil and a preparation method thereof, belonging to the field of chain oil production. The high-temperature chain oil is prepared from the following raw materials in proportions by weight: high-pressure hydrogenated mineral oil of kettle bottom vacuum residue, a high-temperature antioxidant, a detergent, a dispersant, an extreme-pressure anti-wear agent, a rust inhibitor and an antifoaming agent. Compared with the prior art, the mineral-oil-based high-temperature chain oil disclosed by the invention has the characteristics of lowevaporation loss, almost no smoke, no carbon deposition, excellent lubricating properties and wear resistance and the like, and can be widely applied to high-temperature chain lubrication occasions below 300 DEG C.

The invention discloses a magnetic liquid sealing device with wide temperature applicability. The magnetic liquid sealing device comprises a rotating shaft (11), a shell (12), a bearing part (13) anda magnetic liquid sealing part (14); magnetic liquid A (1409 and 1411) is fluorocarbon-based or ester-based magnetic liquid, and magnetic liquid B (1410) is kerosene-based or engine oil-based magneticliquid; the magnetic liquid A (1409) is injected into pole teeth (1406) corresponding to pole shoes (1403) adjacent to a sealing space, and the magnetic liquid B (1410) is injected into at least onestage of pole teeth (1407 and 1408) corresponding to the other pole shoes (1404 and 1405). With the structure, the magnetic liquid sealing device has a low rotational torque under a working conditionof low temperature and low evaporation under a working condition of high temperature; and according to the magnetic liquid sealing device, the pollution caused by the evaporation of the magnetic liquid to the sealing space is effectively prevented, the evaporation loss of the magnetic liquid is also reduced due to the reduction of the evaporation amount of the magnetic liquid, and the maintenancecycle and service life of the magnetic liquid sealing device are indirectly prolonged.

The invention discloses bread improver containing soluble soybean polysaccharide, which comprises the soluble soybean polysaccharide, oxidant, enzyme preparation, emulsifier and a filler, wherein the oxidant is L-ascorbic acid; the enzyme preparation is alpha-amylase, maltogenic amylase, lipase, pentopan, cellulase and glucose oxidase; the emulsifier is sodium stearyl lactate, calcium stearyl lactylate and diacetyl tartaric acid monoglyceride; and the filler is corn starch. The invention further discloses a preparation method and application of the bread improver. The bread improver can remarkably improve the bread taste, and can prolong the bread quality time.

The invention discloses a heat-reflecting thermal insulation coating which is characterized by comprising the following ingredients by weight: 15 to 30 parts of epoxy resin, 10 to 40 parts of a filler, 0.1 to 7 parts of an additive and 1 to 15 parts of a curing agent. The heat-reflecting thermal insulation coating is a novel material changing the conventional thermal insulation manner, not only is anti-corrosion, but also can effectively insulate an object from sunlight infrared radiation heat under the condition that the coating is only 1 mm thick, and has the advantages that the temperature difference between the wall of a tank and a liquid in the tank can be 7 to 12 DEG C, and the temperature of the storage tank can be further lowered by 3 to 8 degrees compared with the condition that the storage tank is treated according to the conventional water spraying method.

The invention relates to a composite engine coolant and method for making same, wherein deionized water, ethylene glycol, triethanolamine, phosphoric acid, tinkalite, sodium benzoate, sodium hydroxide, inhibitor, defoaming agent and coloring agent are used as the raw material for mixing reaction at a finite condition. The product can fit for climatic conditions in different regions.

The invention provides a lubricating grease composition for an automobile glass lifter and a preparation method of the lubricating grease composition. The lubricating grease for the automobile glass lifter comprises the following ingredients in percentage by weight: 87 to 91.5 percent of basic oil, 7.5 to 12 percent of thickening agents, 0.5 percent of antioxidants, 0.03 percent of anti-rust agents and 0.5 percent of structure improving agents. The unique mixed thickening agent type is adopted, so the water-resistance and shearing performance of the lubricating grease are excellent, good low-temperature and viscosity-temperature performance is given to the lubricating agent through the proper basic oil type and mixture ratio, and the wide temperature use requirement being minus 40 DEG C to 70 DEG C of the automobile glass lifter accessories can be perfectly met. The prepared lubricating grease has the characteristics that the water resistance and the oxidation resistance are excellent, the oil rate is low, the evaporation loss is small, the shearing stability is high, the high-low temperature performance and the anti-corrosion protection effect are good, and the like, the use requirements of the automobile glass lifter can be perfectly met, and the use temperature range of the lubricating grease is minus 40 DEG C to 130 DEG C.

The invention discloses a combined heat supply system for recovering waste heat of a thermal power plant deeply with zero power of a low pressure cylinder. A primary heat supply network water return pipe is connected to the inlet of an absorption heat pump evaporator through a pipeline, a driving heat source is extracted steam of a steam turbine and a low position heat source is primary heat supply network return water; the primary heat supply network return water is primarily heated in a high back pressure condenser of a #1 machine; an absorption waste heat recovery unit heats the primary heat supply network return water secondarily; the primary heat supply network return water is heated thirdly in an absorption heat pump absorber and a absorption heat pump condenser; the primary heat supply network return water is heated fourthly in a peak heater; and the outlet of the peak heater is connected to a primary heat supply network water supply pipeline. By utilizing extracted steam afterlow zero transformation of the lower pressure cylinder gradiently, the utilization ratio of energy sources is improved greatly. Under the circumstance of simultaneous operation of a high back pressureunit and a low pressure cylinder zero force unit, no cold source loss is available and flue gas waste heat of a boiler and waste heat of cooling water of an auxiliary machine can be recovered effectively, so that the waste heat in the power plant is recovered to the maximum extent; the external heating capacity is increased, and the advantage of a low heat supply cost of the high back pressure unit is exerted fully.

The invention belongs to the technical field of forestry engineering, relates to a rain harvesting utilization technology for mountain lands, slopes, hilly orchards and forest land, and discloses a water collection and retention method for rain harvesting and infiltration in woodlands on mountain slopes. The method comprises the following steps of: transversely digging a water collection and retention ditch along a slope between two trees; and filling an organic plant material in the dug water collection and retention ditch, and compacting. By the method, harvested rain is utilized to increase the soil moisture content in artificial afforestation, gardens on the mountain lands and slops are subjected to rain-harvesting water retention preparation, and the method has the characteristics of simple operation, convenience for construction, low manufacturing cost, high durability and high utilization rate of water and fertilizers.

The invention discloses a mountain economic forest rainwater gathering deep percolation device. A water and fertilizer pit is formed in the uphill face of a fruit tree, a waterproof layer is arranged at the bottom of the water and fertilizer pit, a drainage pipe is vertically installed in the middle of the water and fertilizer pit, and the periphery of the drainage pipe is filled with an organic filler layer. A rain gathering film is laid at the upper end of the water and fertilizer pit, the fruit tree (economic tree) is planted on the slope face of the downhill position on one side of the water and fertilizer pit, a fish scale pit is formed along a trunk of the fruit tree (economic tree) and the water and fertilizer pit, and a water measuring pipe is vertically installed between the trunk and the water and fertilizer pit. According to the device, water-saving irrigation, the water and fertilizer integration technology and water and soil conservation are organically combined, compared with surface irrigation, the effects of water saving, water holding, fertilizer holding, fertilizer promoting, reduction of ammonia volatilization, reduction of water evaporation loss and effective prevention of water and soil loss are achieved, the device is low in cost, simple in technology, easy to operate, good in effect and easy to grasp, and therefore the device has wide application prospects in arid and semi-arid fruit industry regions of China.

The invention belongs to the field of lubricating oils, particularly relates to a fully synthetic ester-based gasoline-injection engine lubricating oil. The lubricating oil is prepared from the following raw materials: PAO4, PAO6, PAO8, metallocene PAO (Poly Alpha Olefins), diester A41, diester A51, polyalcohol ester NP451, polyalcohol ester NP343, alkyl naphthalene, a compound gasoline-injection engine oil additive, a hydrolysis inhibitor and an antioxidant enhancement package, wherein the proportion of the V-type ester-based base oil exceeds 30%, so that the lubricating oil is strong in anti-shearing capacity, namely, the lubricating oil is a fully synthetic high-performance ester-based lubricating oil which can be safely used for a long period. The invention further provides a preparation process of the fully synthetic ester-based gasoline-injection engine lubricating oil. The preparation process is reasonable. Thus, the evaporation loss of a finished product of the lubricating oil is minimized; and the high-temperature of the lubricating oil is performed before the lubricating oil is injected into an engine, so that the synergistic effects of all components of the lubricating oil are exerted well.

The invention provides a data center cold and heat combined supply waste heat large-temperature-difference central heating system which comprises a conventional water cooling unit, compression heat pumps, a peak adjusting heat source, a water-water heat exchanger, electricity-driven compression heat pumps, a connecting pipeline and an accessory. Data center waste heat is extracted through frozen circulating water on the evaporator side, heat release is conducted in two ways on the evaporator side, heat of one of the two ways heats a primary heating network return water, heat of the other way is connected into all stages of compression heat pump evaporators to serve as low-level heat sources of the heat pumps, and surplus heat is discharged into the environment through a cooling tower. Thecompression heat pumps conduct heat release in a condenser to heat the primary heating network return water stage by stage. The peak adjusting heat source heats the heating network return water to theheating temperature finally, and then the heating network return water is sent out of the data center through a heating pipeline. The heating network supplied water passes through the water-water heat exchanger to heat a terminal radiator user firstly and then flows into the electricity-driven compression heat pumps in series to heat the tail end of a radiation floor. According to the central heating system, cold and heat combined supply and cascaded heating are adopted, the primary heating network temperature difference is large, and only electricity is needed to serve as driving energy of the heat pumps.

The invention discloses a method for directly producing high-grade road asphalt by super-heavy crude oil, comprising the following steps: the super-heavy crude oil is heated by a heat exchanger and then enters a dehydrating tower, then enters a heating furnace after a small amount of water-containing gasoline is separated by the dehydrating tower; after being heated to 380-430 DEG C, the super-heavy crude oil is heated by the heating furnace, then enters a mild-cracking reactor and stays in the reactor for 20-120min; the viscosity of the super-heavy crude oil is controlled to be 100-600mm<2>/sat 100 DEG C after mild cracking; and the super-heavy crude oil after mild cracking enters a distillation tower, the temperature is controlled at 410-430 DEG C to separate gasoline, diesel oil and gas oil, and then the high-grade road asphalt is obtained. The yield of light weight oil is increased to 18%, the flash point of asphalt is enhanced to 245 DEG C, the evaporation of asphalt is reduced by 0.8%, the paradox between small needle penetration and high soft softening point of asphalt can not occur again, and all performance indexes of asphalt can meet GB/T15180 index.

The invention discloses high-performance internal combustion engine oil capable of performing viscosity classification and a preparation method thereof. The internal combustion engine oil comprises synthesized base oil, high-temperature antioxidant, metal clearing agent, ash-free dispersing agent, anti-oxidation preservatives, nano multi-effect abradant, viscosity index improver, pour point depressant and oiliness agent. The high-performance internal combustion engine oil has the advantages that the internal combustion engine oil is outstanding in energy conservation and environment protection performance, excellent in wear resistance and friction resistance, good in fuel economy, excellent in low-temperature flowability, outstanding in high-temperature oxidation resistance and high in abrasion resistance; the influence of temperature on the viscosity change of the internal combustion engine oil is small, the internal combustion engine oil can flow under a low-temperature condition and keep proper viscosity in a high-temperature environment, and the internal combustion engine oil can reduce engine wear and prolong the service life of an engine; in addition, the internal combustion engine oil prepared by the method is high in extraction purity and cannot be easily oxidized and degraded into oil sludge and carbon deposition, and accordingly the oil change period of the internal combustion engine oil is long.

The invention belongs to the field of fire resistant hydraulic oil, relates to environment-friendly total-synthesis fire resistant hydraulic oil, in particular to a preparing method for 1-hexyl-3-methylimidazole hexafluorophosphate ionic liquid and fire resistant hydraulic oil with the same. The preparing method for the 1-hexyl-3-methylimidazole hexafluorophosphate ionic liquid mainly includes the steps of 1-hexyl-3-methylimidazole preparing and hexafluorophosphate ionic liquid preparing. The fire resistant hydraulic oil is prepared in the mode that the ionic liquid, an extrcme pressure anti-wear additive, an antioxidant, a preservative, a pour point depressant and an antifoaming agent are mixed. The fire resistant hydraulic oil synthesized with the method is high in flash point and fire point, low in evaporation loss, high in viscosity index, excellent in lubricating performance, nontoxic, biodegradable and good in material applicability.