83results about How to "Reduce absorption efficiency" patented technology

The invention relates to a method for repairing heavy metal contaminated soil in situ by adopting multifunctional biological charcoal. According to the technical scheme, the multifunctional biological charcoal is prepared from biological waste such as straws and sawdust, the surface of the multifunctional biological charcoal is provided with multiple surface functional groups and rich enterable micropores, the heavy metal contaminated soil of which the relative humidity is 60-90% is turned over and mixed with the multifunctional biological charcoal of which the granularity is 0.074-0.178mm, the turnover mixing depth is 5-30cm, and the soil can be repaired after being aged for 20-30 days. The mass ratio of the multifunctional biological charcoal to the heavy metal contaminated soil is (0.1-5) to 100. The multifunctional biological charcoal serving as a soil additive in the in-situ repairing process can effectively fix heavy metals in the soil, improve the ecological environment, supplement organic charcoal, protect the soil health, reduce the toxicity of the contaminated soil and restore the productivity of the soil; and the method is also applicable to engineering repairing of water bodies and solid matrixes.

The invention provides a novel white light luminescence device. The device comprises an excitation light source and a fluorescent layer configured to the upstream of the excitation light source. The fluorescent layer comprises a fluorescent powder group and a transparent material. The fluorescent powder group comprises a first fluorescent powder which is excited by the excitation light source to emit white light or visible light, and a second fluorescent powder which is simultaneously excited by the excitation light source to emit infrared light. In the invention, a white light color with highphotosynthetic efficiency can be provided, simultaneously, a high-efficient infrared wave band can be provided, and a new application characteristic is provided for an LED illumination light source.

The glass substrate optical reading infrared sensor features in the light through but infrared blocked glass substrate, side support flat beam unit with two sets of thermal deformation mechanism at both sides of the infrared absorbing plate, baffling distributed through the heat insulation beam and thermal deformation beam. The thermal deformation mechanism connected to both sides of the infrared absorbing plate with its inner side, with the outside end beam fixed on the glass substrate through the anchor erect. The heat insulation beam is nonmetallic film, the heat deformation beam is dual material beam formed on the nonmetallic film coated on the metal film, infrared absorbing plate having its reflective surface facing the glass substrate, visible light passing through the glass substrate projected on the reflective surface, with the infrared light directly projecting on the other side. It eliminates the frame structure, alleviates the dimensional conflict on the same flat layer due to the heat deformation mechanism and the infrared absorbing plate, effectively improving the super infrared detection sensitivity.

The invention discloses a recovery processing method for a hydrocarbon-contained waste gas, which comprises the following steps of: absorbing distillate oil and adsorbing by using active carbon; carrying out distillate oil absorption treatment on the hydrocarbon-contained waste gas; carrying out active carbon absorption treatment on the adsorbed tail gas; and exhausting the tail gas adsorbed by the active carbon. The absorption treatment of the distillate oil adopts a padding tower; two sections of padding are charged into the padding tower; the low-temperature fresh distillate oil at -30-15 DEG C enters the padding tower from the upper part of the padding tower; the recycling distillate oil recycled at the bottom of the padding tower is introduced between the two sections of padding; and the hydrocarbon-contained waste gas enters the padding tower from the lower part of the padding tower and sequentially passes through the two sections of padding in the padding tower. Compared with the prior art, the method has the advantages of simple, economic and reasonable process, conformity of environmental-protection standard, and the like.

The invention aims at providing a desulfurization packed tower of a marine diesel engine. The desulfurization packed tower comprises a packed tower body, wherein a waste gas outlet is formed in the upper part of the packed tower body, a waste liquid outlet is formed in the lower part of the packed tower body, a gas inlet passage connector is arranged at the lower end of the side wall of the packed tower body and is connected with a gas inlet passage, the gas inlet passage is arranged in a downwards-inclining manner, a cleaning solution pre-spraying device is arranged in the gas inlet passage and is positioned on one side of the inner wall above the gas inlet passage, the spraying direction of the cleaning solution pre-spraying device is a circulating direction of flue gas in a flue, a spraying catalytic apparatus is arranged at the position above the gas inlet passage connector in the packed tower body and comprises a high-temperature spraying system arranged upside and a packing layer arranged underside, and a demister and a cleaning system are sequentially arranged above the spraying catalytic apparatus. The desulfurization packed tower effectively reduces waste gas circulating resistance and improves SOx gas absorptivity to be up to more than 98%.

The invention relates to the technical field of solar photo-thermal power generation and particularly relates to a heat storage system used for a solar photo-thermal power generation system and a control method of the heat storage system. The heat storage system comprises a heat collection field, a hot tank, a cold tank and a heat exchanging device, wherein the outlet of the heat collection field is connected with a pipeline valve A by a first pipeline and is connected with the inlet of the hot tank through the pipeline valve A; the outlet of the hot tank is connected with the inlet of the heat exchanging device by a second pipeline; the outlet of the heat exchanging device is connected with the first inlet of the cold tank through a third pipeline; the outlet of the cold tank is connected with the inlet of the heat collection field by a fourth pipeline. The heat storage system and the control method mainly aim at arranging a cold and hot tank device for storing melted salt in the solar photo-thermal power generation system, and a bypass communicated with the cold tank is additionally arranged at the inlet of the hot tank; excess solar energy can be stored and utilized to the greatest extent by controlling the flowing direction of the melted salt under the condition that the illumination intensity is excess; meanwhile, the storage liquid level of the hot tank is effectively controlled.

The invention provides a method for effectively preventing fruit trees iron deficiency yellowtop, which comprises steps: high concentration leaf fertilizers are sprayed in a spring sleep late, and the high concentration leaf fertilizers are sprayed in a mature period of blades for the first time. The method for effectively preventing the fruit trees iron deficiency yellowtop prevents fruit tree yellowtop from happening by spraying different formulas of high concentration leaf fertilizers according to different radios of required iron elements of fruit trees in development stages of the fruit trees from a spring dormant period of the fruit trees, a blade mature period to a senescence phase. The method for effectively preventing the fruit trees iron deficiency yellowtop is obvious in effects, obviously reduces occurrence rate of fruit trees yellowtop, enables the fruit trees in a 0-level etiolation degree to achieve 96-97% total amount of the fruit trees, and is obvious in the prevention effect of the fruit trees yellowtop in saline areas.

The invention discloses an environment-friendly compounded denitrification agent and a denitrification method, and belongs to the technical field of wastewater denitrification. The environment-friendly compounded denitrification agent is formed by compounding a green surfactant, ethylene glycol deaminase, ferrate and organic carboxylic acid in a certain ratio, wherein the surfactant accounts for 30-70%; ethylene glycol deaminase accounts for 10-20%; ferrate accounts for 5-10%; organic carboxylic acid accounts for 5-30%; hydrogen peroxide accounts for 5-30%. 2-8mg / L of the compounded denitrification agent in the ratio is added into ammonia-nitrogen wastewater, meanwhile the pH value of wastewater is adjusted to 7.0-10.5, and a stage aeration method is adopted for aeration blowoff based on concentration of residual ammonia-nitrogen in wastewater. The environment-friendly compounded denitrification agent is applicable to treatment on high-concentration ammonia-nitrogen and organic nitrogen wastewater, the ammonia-nitrogen concentration of wastewater can be reduced to be less than 0.3mg / L, and the environment-friendly compounded denitrification agent has the advantages that the compounded denitrification agent is environment-friendly, is small in use amount, high in denitrification efficiency and the like.

A processing method of modified soybean fibers is disclosed. The method is characterized in that the method includes (1) a step of surface etching, namely a step of adding soybean fibers into a plasmamachine and performing surface treatment; (2) a soaking step, namely a step of soaking the etched soybean fibers into an activating agent solution, performing activation, and then soaking the soybeanfibers in an antibacterial solution; (3) a step of ionization treatment, namely a step of soaking the soaked soybean fibers into a treating agent, performing ionization treatment, adding a sodium silicate solution into an ionization tank, and performing a second time of ionization; (4) a step of high-pressure temperature changing, namely a step of drying the ionized soybean fibers until the watercontent is 7-9%, then putting the soybean fibers into a temperature changing oven, and performing temperature changing treatment; and (5) a step of oxidation, namely a step of oxidizing the temperature-changed soybean fibers in a vacuum tank.

The invention discloses a high-capacity organic-inorganic composite hydrogen storage material. The organic-inorganic composite hydrogen storage material comprises an inorganic porous material and organic materials uniformly dispersed in pores of the inorganic porous material, wherein the inorganic porous material adopts porous silicon dioxide or aluminum oxide, the aperture is 0.5-20 nm, and the specific surface area is 300-500 m<2> / g; the organic materials comprise polymers serving as main chains and borane ammonia derivatives, and the borane ammonia derivatives are prepared as follows: side chains and / or end groups of the polymers are subjected to amination by polyamine compounds and grafted to the side chains and / or ends of the polymers through reaction with a borohydride. The invention further discloses a preparation method of the high-capacity organic-inorganic composite hydrogen storage material. The high-capacity organic-inorganic composite hydrogen storage material prepared with the method has the following advantages: mutual agglomeration of the polymers can be inhibited effectively, the hydrogen storage and release efficiency is high, little environmental pollution is produced, the material can be regenerated and recycled, and the cost is saved.

An ultraviolet sensor that includes a p-type semiconductor layer principally composed of (Ni, Zn)O, an n-type semiconductor layer composed of ZnO which is joined to the p-type semiconductor layer, an internal electrode embedded in the p-type semiconductor layer, and first and second terminal electrodes formed at both ends of the p-type semiconductor layer. The surface roughness of the p-type semiconductor layer is 1.5 μm or less, and preferably 0.3 μm or more and 1.0 μm or less. In a manufacturing process, the formed product prior to firing and / or the p-type semiconductor layer after firing is polished by barrel polishing so that the surface roughness Ra thereof is 1.0 μm or less. Thereby, light absorption efficiency can be improved to directly detect a desired large photocurrent and secure high reliability, and a spectral property can be controlled to strongly respond to various wavelength bands of ultraviolet light.

The invention discloses ultraviolet curing UV ink jet ink as well as a preparation method and application thereof. The ultraviolet curing UV ink jet ink is prepared from the following components in parts by weight: 15-40 parts of matrix UV resin, 5-10 parts of triglycidyl isocyanurate, 10-15 parts of 3,4-epoxy cyclohexyl methacrylate, 10-15 parts of N-vinyl caprolactam, 5-10 parts of dipentaerythritol hexaacrylate, 5-10 parts of a photoinitiator, 1-5 parts of a silane coupling agent and 10-15 parts of pigments. The UV ink jet ink prepared according to the invention has excellent high temperature resistance and weather resistance as well as good adhesive force and hardness, is extremely low in viscosity, can be used for processing 3D bent glass of electronic equipment such as mobile phonesand tablet personal computers in an ink-jet printing manner, and is simple in processing technology, high in efficiency, low in energy consumption and environment-friendly.

The invention belongs to the technical field of foam materials and particularly relates to a preparation method of a water-resistant solid buoyancy material. The method comprises the steps of firstly mixing a kapok fiber with absolute ethyl alcohol, washing, filtering and then collecting a filter cake; drying and then obtaining a dried kapok fiber; mixing the dried kapok fiber with acetic anhydride, heating, centrifuging and then collecting sediments, washing and drying to obtain the modified kapok fiber; carrying out mixed ball-milling on the modified kapok fiber and lycopodium spore powder, then adding glycerol, polyethylene glycol and a sulfuric acid solution, carrying out oil-bath heating, adjusting the pH by using sodium hydroxide and standing to obtain modified mixed polyol; and finally stirring and mixing the modified mixed polyol, polyether and dibutyltin dilaurate, putting the mixture into a mold for natural foaming, curing and demolding to obtain the water-resistant solid buoyancy material. The obtained water-resistant solid buoyancy material is low in density, low in water absorption rate, high in compression strength and good in shock resistance.

The invention discloses an off-gas handling system with a primary washing tower, a secondary turbulent flushing tower and a tertiary turbulent flushing tower, wherein, the primary washing tower, the secondary turbulent flushing tower and the tertiary turbulent flushing tower are respectively equipped with a first, a second and a third heat exchangers, and the system also has an alkali liquor main pipe, a water inlet, a cooling upper water main pipe, a cooling backwater main pipe and a discharge main pipe; the primary washing tower, the secondary turbulent flushing tower and the tertiary turbulent flushing tower is respectively provided with a liquid membrane foam area, and harmful waste gas passes through the liquid membrane foam areas of the primary washing tower, the secondary turbulent flushing tower and the tertiary turbulent flushing tower in order to be purified. As the waste gas passes through the three strongly turbulent liquid membrane foam areas, the invention achieves the effect of high efficient washing. As the gas-fluid exchange is not carried out in the towers, the structures of the towers are simple, the manufacturing and the maintenance are convenient, and the height of the towers can be greatly reduced. The consumption of the raw material can be greatly reduced, and the investment can be reduced. The circulation solution sprayed out by a spraying head is spiral shaped and is fully contacted with the harmful waste gas for absorption, and the spray nozzle is unlikely to be blocked because of the large size.

The invention discloses a waste gas trapping and purifying device for an activated carbon adsorption tower. The waste gas trapping and purifying device comprises a waste channel, the waste channel comprises an air inlet pipe, the air inlet pipe is transversely installed, a flow speed control assembly is arranged at the upper end of the air inlet pipe, and a cooling assembly is arranged in the flowspeed control assembly; and a vertically-installed filter pipe is arranged at the tail end of the air inlet pipe, a filter assembly is arranged at the top end of the filter pipe, an activated carbonpipe is arranged on the lower side of the filter pipe, a regeneration assembly is arranged on the lower side of the activated carbon pipe, a discharge pipe is arranged on the lower side of the activated carbon pipe, and a discharge tower is arranged at the end of the discharge pipe. The device has the characteristics that the flow velocity and temperature of waste gas can be controlled, the moisture of the waste gas cannot be increased, particles can be filtered out, and activated carbon can be regenerated and recycled.

The invention provides a feed processing device, and relates to the field of feed processing. The feed processing device comprises a conveying pipe, a motor a, a motor b, a feeding hopper, a water tank, an extrusion pipe, a pressing mechanism and a supporting frame, a feeding groove is formed in the outer wall of the top end of the conveying pipe, the inner wall of the feeding groove is welded to the feeding hopper, the motor a is arranged on the outer wall of one end of the conveying pipe, an output shaft of the motor a is connected with a spiral auger a through a coupling, the outer wall of the bottom end of the conveying pipe is fixedly connected with the supporting frame through screws, the outer wall of one side of the supporting frame is movably connected with the water tank, and the extrusion pipe is welded to the conveying pipe. According to the feed processing device, cracks on the surfaces of particles caused by different humidity during straw pressing are prevented, feed can be rapidly cooled during extrusion forming, the Maillard reaction during feed pressing is slowed down, the formed feed is flatter and smoother and is not prone to being excessively wet or fragmentary, and meanwhile spraying of straw powder is reduced.

The invention discloses a flue gas desulfurization process, which comprises the following steps that an absorption tower body is made into a cylindrical vertical structure; a flue gas inlet is formedin the side surface of the bottom; a flue gas outlet is formed in the top; the flue gas enters an inner cavity of the tower body from the flue gas inlet and is exhausted from the flue gas outlet at the top; three scattered edge annular plates are arranged at the inner side of the cylinder wall according to a certain dimension; a water distribution device consists of an upright post, three conicalwater distribution caps and a water overflowing groove; the water overflowing groove and the three conical water distribution caps are connected in series onto the upright post according to a certaindimension. Through the arrangement of a novel water distribution structure, the process solves the problems that in the prior art, water mist sprayed from a spray nozzle cannot cover the whole cross section space; a blind angle exists in the spraying space; the spray nozzle is prone to blockage and damage, so that the gas and liquid phases cannot realize sufficient contact; the absorption efficiency on sulfur dioxide is reduced; the subsequent treatment on the desulfurization waste water is incomplete. The advantage of high desulfurization efficiency is realized; the process is worthy of beingpopularized and used.

The invention discloses a low-sugar regenerated rice production process and a product thereof and belongs to the field of food processing. The process includes the steps of raw material smashing, water adding for quenching and tempering, extruding and pelleting, surface hardening and drying. 15-45 parts by weight of broken rice flour, 5-10 parts by weight of rice bran powder, 5-10 parts by weight of coarse powder, 16-23 parts by weight of bitter gourd powder, 5-8 parts by weight of yam flour, 8-12 parts by weight of lotus seed powder, 8-12 parts by weight of coix seed powder and 8-10 parts by weight of taro powder are adopted as raw materials; an extruder with the compression section temperature being 85-95 DEG C and the screw speed being 240-270 r / min is used for extruding and pelleting, and after the raw materials are extruded, the raw materials are shaped through a die head and cut into rice grains through a cutter; secondary gradient hot air is adopted for drying till the water content ranges from 11% to 12%; the temperature of primary drying airflow ranges from 55 DEG C to 60 DEG C, and the drying time ranges from 15 min to 20 min; the temperature of secondary drying airflow ranges from 20 DEG C to 25 DEG C, the drying time ranges from 5 min to 10 min, and low-sugar regenerated rice is obtained. The problems that the edible utilization rate of rice processed byproducts is low, part of grain waste exists, and rise of blood glucose is rapid after cereal rice (or refrigerated rice) is eaten are solved.

The invention relates to the technical field of up-conversion luminescent materials, in particular to a method for preparing up-conversion luminescent materials. First, a TiO2:Er-Yb nanocrystalline up-conversion luminescent material embedded in an amorphous matrix is ​​prepared by a sol-gel method. , and then immerse the up-conversion luminescent material in a Mo(NO3)3 solution for chemical modification, and anneal at a temperature of 500-1000° C. to prepare a TiO2-based nanocrystal up-conversion luminescent material with a core-shell structure. On the one hand, the present invention uses the amorphous embedded in TiO2:Er-Yb nanocrystals to reduce the light scattering of TiO2:Er-Yb nanocrystals, and on the other hand, utilizes the shell formed by surface modification to reduce surface states to improve upconversion luminescence It not only has the advantages of simple operation, can greatly improve the luminous performance, obtain high luminous intensity and high brightness, but also has the advantages of high luminous efficiency, especially reduces the production cost and reduces the toxicity of organic solvents.

The invention provides a method for supplementing zinc fertilizer to fruit trees and controlling the little leaf disease. The method comprises the following steps: high-concentration foliar fertilizer is sprayed in late spring dormancy, sprayed in a leaf mature period for the first time and sprayed in the leaf mature period for the second time. The high-concentration foliar fertilizer with different formulae is sprayed in fruit tree leaf slow growth or dormancy stages such as the late spring dormancy, the leaf mature period and senescence period and the like of the fruit trees, and the little leaf disease of the fruit trees is controlled. With adoption of the method, the little leaf disease control effect is obvious, the little leaf disease incidence rate after spraying in an orchard is smaller than 1%, and the method has especially obvious effect on control of the little leaf disease of the fruit trees in saline-alkali soil.

The invention discloses a method for immobilizing a photocatalyst on a flexible fiber substrate, and belongs to a photocatalysis technology. The method comprises the steps of adding a solvent into a photocatalyst and a silicon dioxide binder to prepare a catalyst turbid liquid; coating a flexible fiber substrate with the catalyst turbid liquid, and conducting drying to obtain a photocatalyst-loaded precursor; and soaking the photocatalyst-loaded precursor in an alkaline solution, and conducting drying to obtain the target product loaded photocatalyst, wherein the loading capacity of the photocatalyst is 0.2-1.6 mg / cm<2>. Compared with other loading methods, the method has the advantages that high-temperature treatment is not needed, the silicon dioxide binder and the flexible fiber substrate are adopted, the photocatalyst can be stably loaded on the carrier only by drying, the bonding effect is good, the operation is simple and convenient, the equipment requirement is low, the cost islow, and the loaded photocatalyst can be prepared on a large scale; the photocatalytic activity is high, and the photocatalyst has better reutilization performance in an alkaline reaction solution; and the selected flexible carrier material is convenient for other treatment, stable in performance and wide in application range.