117results about How to "Increase condensation rate" patented technology

The present invention belongs to the technical field of 3D printing materials, and relates to a 3D printing gypsum ink, and the 3D printing gypsum ink is prepared from the following components by weight: 60% to 93% of gypsum powder, 2% to 20% of filler, 4% to 18% of a modifying solvent and 0.5% to 5% of a coagulant. The present invention also discloses a preparation method of the 3D printing gypsum ink, and all the raw materials are mixed and stirred evenly to obtain the 3D printing gypsum ink. The problems of low strength, poor mobility, coarse particles, poor toughness and high cost in the prior art can be solved, and an economical 3D printing forming material with industrial potential, high speed, good precision and low use cost is developed.

The invention provides a high-adjustment-ratio water-cooling premixed combustion high-strength heat exchange gas condensation boiler. The high-adjustment-ratio water-cooling premixed combustion high-strength heat exchange gas condensation boiler comprises a combustor and a heat exchanger, wherein the full-premixed combustor mounted in the center of a boiler top plate consists of a booster fan, a premixing chamber and a water-cooling combustion head; a flame stabilizing pipe and an anti-tempering column of the water-cooling combustion head can realize high-adjustment-ratio water-cooling premixed combustion; the heat exchanger consists of a lap of water-cooling wall and one or more laps of fins uniformly arranged in the peripheral direction by bent edge folding fin pipes; an air blower feedsair into the premixing chamber for fully mixing with gas to enter an inner cavity of a hole plate of the combustion head; the air flows out from a fire hole, and is sprayed out from narrow gaps amongthe water-cooling pipes distributed in the peripheral direction; after the air flows out from the flame stabilizing pipe, the air is ignited to uniformly combust in the peripheral direction and the axial direction, and radiates and releases heat to an inner pipe ring; smoke flushes base pipes and fins of inner and outer ring fin pipes in sequence to reinforce heat exchange; and the smoke downwards flows into a dew bearing disc through gaps between a housing and an outer layer fin pipe, and is exhausted into atmosphere from a smoke outlet. The high-adjustment-ratio water-cooling premixed combustion high-strength heat exchange gas condensation boiler is high in combustion load adjustment ratio, compact in heat exchange, low in nitrogen emission and high in heat efficiency.

The invention belongs to the technical field of water collecting and energy conservation, and particularly relates to a water collecting device with the gradient hydrophilic and hydrophobic performance and an application thereof. The water collecting device with the gradient hydrophilic and hydrophobic performance comprises gradient pore hydrophilic porous foam, hydrophobic porous foam, a collecting tank, a protective cover and a porous foam fixing structure; wherein the protective cover is filled with the gradient pore hydrophilic porous foam and the hydrophobic porous foam; two spaces are arranged on the two sides of the hydrophobic porous foam correspondingly; the front space is an interval gap between the hydrophobic porous foam and the gradient pore hydrophilic porous foam, and the width of the front space is in a millimeter scale; the rear space is provided with the collecting tank; and the hydrophobic porous foam is suspended through the porous foam fixing structure, so that the interval gap on the front side communicates with the collecting tank.

A semiconductor device comprises a photoelectric conversion portion formed on a semiconductor substrate, a first transparent film provided on the photoelectric conversion portion, and an interlayer lens provided on the first transparent film at a position corresponding to the photoelectric conversion portion, in which the interlayer lens has a higher refractive index than the first transparent film, and at least one of upper and lower surfaces of a second transparent film formed with a thin film multilayer structure of two or more types of compounds is formed to have a protruded shape.

A distillation unit for producing potable water using solar radiation is disclosed. The distillation unit includes a heating chamber defining an interior chamber adapted to contain a non-potable liquid for distillation, and a dome-shaped condensing portion having an inner surface and an outer surface, with the condensing portion disposed over the heating chamber such that the heating chamber and the inner surface of the condensing portion are provided in fluid-transfer communication. The distillation unit also includes a pre-heat jacket having a first surface and a second surface and an interior defined therebetween adapted to receive non-potable liquid for distillation therein. The first surface is disposed adjacent the outer surface of the condensing portion, and the pre-heat jacket defines an access entry for introducing non-potable liquid for distillation into the interior of the heating chamber. The distillation unit also includes a trough adjacent for receiving a potable liquid therein.

The present invention relates to a tin-free composition comprising at least one silylated polymer and at least one tin-free polyhedral oligomeric metallo silsesquioxane. The present invention also relates to a process of curing a composition comprising a silylated polymer comprising the step of: contacting a silylated polymer with a tin-free polyhedral oligomeric metallo silsesquioxane.

An image sensor according to an embodiment includes a semiconductor substrate including a photodiode; a protective layer pattern having a lower trench that is disposed on the semiconductor substrate to expose the photodiode; an insulating layer pattern having the upper trench that is disposed on the lower trench of the protective layer pattern to expose the photodiode; and a wave guide that is disposed in the lower trench and the upper trench.

A condenser shell internal support structure includes horizontal rails and vertical beams which can individually support a variety of shapes and configurations of tube bundle modules. Each module includes an end frame and longitudinal framework members that hold each of the parallel tube bundle support plates. The reinforcement framework supports at least one tube bundle and also opposing sidewalls of the shell. The framework further comprises laterally disposed crossbeams extending between and affixed to the opposing shell sidewalls.

The invention discloses a steam valve assembly and a steam heating device, belonging to the technical field of kitchen ware, and being designed aiming at solving the problem of the existing steam valve assembly that viscous liquid is hard to condense to reflow. The steam valve assembly comprises a valve cover, a valve seat and a bubble breaking fan blade, wherein an air outlet is formed in the valve cover, an air inlet communicated with the interior of the steam heating device is formed in the valve seat, the air outlet and the air inlet are respectively communicated with a steam chamber, a steam channel is arranged between the air inlet and the steam chamber, and the bubble breaking fan blade is arranged in the steam channel. The steam heating device comprises the steam valve assembly. According to the bubble breaking fan blade of the steam valve assembly and the steam heating device, formed bubbles in steam with liquid can be broken or crushed, the forming of new bubbles can be prevented, and the temperature of the steam with liquid can be reduced. Gas discharged from the air outlet is mostly common steam instead of steam with liquid, so that the problem that bubbles are formed at the air outlet is solved, the air exhaust temperature is low, the air discharge amount is great and the air discharge efficiency is high.

The invention provides a method for improving the light transmittance of the surface of 3D printing transparent materials, which belongs to the technical field of transparent application of 3D printing objects. At normal temperature, the volume ratio of epoxy resin crystal glue and curing agent crystal glue is 2.5~3.5:1 mixing, stirring until the colorless transparent viscous mixed solution; evenly apply the mixed solution obtained in step (1) on the surface of the 3D printed object, the coating thickness is 1mm~3mm; wherein, the 3D printed object Made of transparent material; curing: place the 3D printed object coated in step (2) at a temperature of 60-70°C, and cure for 16-24 minutes, so that the mixed solution is cured on the surface of the 3D printed object. The curable material of the present invention is heated at a high temperature, thereby increasing the coagulation rate and improving the production and processing efficiency. The invention has simple process steps, high processing speed and low cost of raw materials, and is suitable for popularization.

The invention relates to the technical field of wine making, and in particular discloses a distilling apparatus for making wine. The distilling apparatus comprises a heating barrel, a wine storage device and a cooling barrel, wherein a first cover body is arranged on the top of the heating barrel, and a heater is arranged at the bottom of the heating barrel; a distillation barrel is fixedly arranged in the heating barrel; a second cover body is arranged on the top of the distillation barrel, and a steam pipe is arranged on the second cover body; a cooling ring is arranged on the steam pipe andis connected with a water inlet pipe and a water outlet pipe; a cylinder body is fixedly arranged on the top of the first cover body; a through hole is formed in the first cover body; the cylinder body is slidably connected with a piston; a piston rod is fixedly arranged at the bottom of the piston; the piston rod extends into the distillation barrel; the piston rod is provided with stirring rods; the cylinder body is provided with a diaphragm, and the bottom of the diaphragm is fixed on the piston; the side wall of the cylinder body is provided with an air outlet hole; the top of the cylinder body is provided with a water inlet one-way valve and a water outlet one-way valve; the water inlet pipe is communicated with the water outlet one-way valve; a drainage pipe is arranged at the waterinlet one-way valve. The distilling apparatus for making wine solves the problem that in the prior art, alcohol in distilled grains is not fully distilled out, so that waste is caused.

To collect freshwater from water using a freshwater collection system which consists of a vapor collector field formed by vapor collectors which have floatable platforms with central holes, curved roofs which each spans over each central holes and which allow sun rays to penetrate through, channels each with a nipple, “U”-shaped vacuum breaker tubes, and many eyes; a floatable water sprinkling system which has a relatively stationary platform which has eyes and which encircles a sprinkler platform which has a pump with a screen at one end and at the other end with a pipe which connects with a sprinkler head, a fuel supply system and an internal combustion engine with gear system which drives the pump; and a freshwater collector relay which is an enclosed container with a one-way valve, a weight, a nipple near the weight, many eyes, and many nipples near the eyes and the one-way valve.

The invention relates to a quick-hardening cementing material and a preparation method and application thereof. The quick-hardening cementing material comprises the following raw materials in parts by mass: 50-100 parts of Portland cement; 10 to 30 parts of fly ash; 3 to 10 parts of silica fume; 5 to 20 parts of sulphoaluminate cement; 0.5 to 2 parts of an accelerator; 0.5 to 3 parts of an inorganic early strength agent; 0.05 to 0.1 part of an alcohol amine early strength agent; 0.5 to 2 parts of calcium formate; and 0.3-2 parts of a water reducing agent. The Portland cement and the sulphoaluminate cement basically do not contain gypsum. In order to control the setting rate within a proper range, the Portland cement without gypsum and the sulphoaluminate cement are matched, and the accelerator, the inorganic-organic early strength agent and the calcium formate are matched, so that the initial setting time can be shortened and relatively high strength can be achieved as soon as possible under the condition that the later strength is not influenced.

The invention discloses a process for improving SO2 desorption efficiency of a desulfurization absorbent. The process comprises the following steps: a, heating amine-rich liquid absorbing SO2 gas, andfeeding the heated amine-rich liquid into a low-pressure desorption tower for pre-desorption; b, feeding the pre-desorbed secondary lean amine solution into a high-pressure desorption tower for desorption; c, reducing SO2 contained in the lean amine output after desorption of the high-pressure desorption tower to be belower than 5g/L, or increasing the total desorption efficiency of SO2 in the amine-rich liquid input in the step a to be greater than 90%; pressurizing the high-pressure desorption steam output by the high-pressure desorption tower, and adopting as a heat source of steam required by steam stripping of SO2 in the desorption amine-rich liquid of the low-pressure desorption tower. According to the invention, a double-tower double-effect and low-pressurization two-time deep desorption process is adopted, the content of SO2 contained in the output lean amine liquid is less than 5g/L or the total desorption efficiency of SO2 in the amine-rich liquid is more than 90%, the operation is stable, the power consumption is low, the live steam consumption is saved by 30-50%, the desorption efficiency is improved by 4-12%, and the investment operation comprehensive cost is reducedby 20-40%; and ultra-low emission of desulfurization can be realized.

The present invention discloses solid phase synthesis process of adrenal medullarin (27-52). The synthesis process includes the first solid phase Fmoc polypeptide synthesis to graft protective amino acid Fmoc-Ala-OH onto resin, connecting the rest protective amino acids successively, cutting down the synthesized coarse peptide with peptide cutting reagent, and final separating and purifying to obtain the adrenal medullarin (27-52) as the target peptide. The present invention has mild reaction condition, high reaction rate, less side reactions, easy purification, high yield, no corrosion to the equipment and no environmental pollution.

The invention discloses a condensation type demister having vanes with non-uniform wettability and a preparation method of vanes. The condensation type demister comprises multiple sets of condensationdemisting vanes arranged at intervals, an upper frame, a lower frame, a cooling water inlet welded to the lower frame and a cooling water outlet welded to the upper frame, wherein the upper frame andthe lower frame are used for fixing the vanes and providing cooling water channels; the vanes are each of a hollow corrugated structure; and through holes connected with a cooling water outlet pipe and a cooling water inlet pipe are formed in the upper portions and the lower portions of the vanes respectively; and the vanes are metal or metal alloy vanes. According to the invention, the surfacesof the vanes are covered with mask plates; the exposed surfaces of the vanes are modified with a low-surface-energy substance for treatment after rough structures are constructed on the exposed surfaces, so the exposed surfaces have super-hydrophobicity and the covered parts have hydrophilicity; and therefore, the vanes have the characteristic of hydrophilicity-hydrophobicity combined non-uniformwettability.