49 results about "Treatment modification" patented technology

The invention discloses an improvement method for titanium alloy laser 3D printing and relates to an improvement method for laser 3D printing. The improvement method for titanium alloy laser 3D printing solves the problems that titanium alloy and components prepared through laser 3D printing at present are low in strength level and heat resistant temperature, the metallographic structure is thick and big and not even, the metallographic structure grows to be big in the subsequent heat treatment modification process, the technological parameter selectable range in subsequent heat treatment is narrow, the mechanical property improvement is limited, and the plasticity level of the alloy and the components is low. The improvement method includes the steps that firstly, titanium or titanium alloy powder is evenly mixed with improved raw material powder in a ball milling mode; secondly, laser 3D printing is conducted. The metallographic structure of a laser 3D titanium metal product prepared through the mode of execution is thin and small, a subsequent heat treatment window can be greatly expanded, a balanced structure formed by high-temperature annealing can be achieved, long-time solution strengthening processing or annealing processing can be conducted, the even metallographic structure is obtained, and the mechanical performance of the metallographic structure is greatly improved.

The invention relates to a nano silver in-situ formation silver-plating method based on plasma modification and a silver plated fabric. In the provided method, a plasma surface treatment modification technology is adopted to crack and etch the surface of synthetic fibers so as to form micro pits and fine cracks on the surface of fibers, thus the surface area of the fibers is enlarged, and the wettability of the fiber surface is improved. At the same time, the surface of the fibers is etched, and the binding strength between the metal coating and the fibers is enhanced. After the fibers are subjected to an oxygen gas plasma technology, hydrophilic and polar groups (-COOH, =C=O) are grafted on the fiber surface, thus silver ions can be adhered on the fiber surface more easily; in the presence of polyvinylpyrrolidone (PVC), sodium borohydride (NaBH4) is taken as the reducing agent to directly reduce the silver ions into nano silver particles, and a compact silver coating is in-situ generated on the etched fiber surface. The provided method has the advantages of simple technology, environment-friendliness, energy saving, and reduced cost. The silver coating on the produced silver-plated fabric is uniform and compact, the binding force between the silver coating and the fabric is strong, and the method is worth to promote.

The invention relates to an ETS-10 titanium silicalite molecular sieve modification method. The ETS-10 titanium silicalite molecular sieve modification method provided by the invention comprises the following steps: alkali treatment modification: carrying out alkali treatment modification of EST-10 titanium silicalite molecular sieve raw powder through adopting an alkaline solution, filtering, washing, and drying to obtain alkali treatment modified ETS-10 titanium silicalite molecular sieve; and realuminated modification treatment: carrying out realuminated modification treatment of the alkali treatment modified ETS-10 titanium silicalite molecular sieve through adopting an aluminum salt solution or an aluminate solution, filtering, washing, drying, and roasting to obtain the alkali treatment modification and realuminated modification treated ETS-10 titanium silicalite molecular sieve. The modification method provided by the invention adopts the alkali treatment modification and the realuminated modification treatment of the EST-10 titanium silicalite molecular sieve raw powder to be carried out, so the surface phase of the EST-10 titanium silicalite molecular sieve is rich in titanium and aluminum, abundant meso-structures are introduced, and the skeletal acidity is improved.

The present invention provides a point, line, surface three-dimensional carbon material composite heat-conduction silica gel and a preparation method thereof. The composite heat-conduction silica gel comprises, by weight, 0.1-30% of surface-modified graphene, 0.1-30% of surface-modified carbon nano-tubes, 0.1-30% of surface-modified carbon nano-spheres, and the balance of silica gel, wherein the sum of the mass fractions of the surface-modified graphene, the surface-modified carbon nano-tubes and the surface-modified carbon nano-spheres is more than or equal to 10%, a mass ratio of the surface-modified graphene to the surface-modified carbon nano-tubes to the surface-modified carbon nano-spheres is 1:0.5-2:0.5-4, and the surface-modified graphene, the surface-modified carbon nano-tubes and the surface-modified carbon nano-spheres are prepared through treatment modification with strong acids. According to the present invention, the solubilities and the dispersions of the graphene, the carbon nano-tubes and the carbon nano-spheres in the silica gel are effectively improved, and the three modified carbon materials form the stable and continuous three-dimensional heat-conduction network in the silica gel so as to substantially improve the thermal conductivity of the heat-conduction silica gel.

The invention relates to an alkali treatment modification method for forming an alpha-alumina carrier of a silver catalyst used for producing ethylene oxide through ethylene oxidation. The method has the beneficial effect of increasing the pore canal of the carrier by treating the formed alpha-alumina carrier with an alkaline solution at a certain concentration under the heating and stirring conditions. The silver catalyst prepared from and supported by the alpha-alumina carrier prepared by the method is beneficial to diffusion of reaction products. The modified alpha-alumina carrier shows good selectivity when applied to the reaction process of producing ethylene oxide through ethylene oxidation.

The invention discloses a preparation method and device of bentonite cat litter. The preparation method consists of airing, crushing, sodium-treating, drying, screening and packaging. The device consists of a hammer crusher, a trommel screen, a planet gear mill, a roller drier and a belt conveyor. The raw ore of bentonite is subject to simple airing and manual impurities removal, is crushed and subject to sodium-treatment modification by using the planet gear mill, and is dried and screened to obtain the bentonite cat litter finished product. By adopting the method, grinding and granulating processes required by the conventional method for preparing the bentonite cat litter are saved, the consumption of a sodium-treating agent is less, the process is simple, and the cost is low.

The invention relates to a sludge continuous-heat-treatment modification device and a technology of deep dehydrating, drying and incineration. The sludge continuous-heat-treatment modification device comprises sludge conveying tubes and heat medium spacing casing tubes, wherein the sludge conveying tubes comprises a preheating section, a reacting section and a cooling section, and the sludge conveying tubes of all the preheating section, the reacting section and the cooling section are sleeved by the heat medium spacing casing tubes; the heat medium spacing casing tube of the reacting section communicates with a heat medium heating converter to form a first heat medium circulating loop; the heat medium spacing casing tube of the preheating section communicates with the heat medium spacing casing tube of the cooling section to form a second heat medium circulating loop; and a heat medium heat recovery circulating pump is arranged in the second heat medium circulating loop. The sludge continuous-heat-treatment modification device uses a heat medium to perform indirect heat treatment on sludge and improves the dehydrating property of the sludge, therefore the sludge continuous heat treatment is realized and the recycling use of the heat medium saves more energy and is more friendly to environment at the same time.

Methods and systems for analyzing voice information to determine if specific words or phrases are used or if the voice information exhibits a particular pattern of speech. Depending on which words or phrases are determined to have been used, a specific action or actions is taken. The words or phrases along with the actions may be user specified. In one example, a voice message is analyzed to determine if it includes any of the specified words or phrases or whether it exhibits a particular pattern of speech. If so, a specified action, such as forwarding the voice message to a particular person, is performed. In another example, voice information from a called person is analyzed to gain information regarding the status of a call. This information may be used, for example, for generating call statistics or notifying a supervisor on the status of a call.

The present invention belongs to the field of feed antibacterial additives and particularly relates to a plant source domestic poultry feed antibacterial additive and a preparation method thereof. Thyme essential oil is used as a main antibacterial agent to prepare thyme essential oil nano-liposomes, epsilon-polylysine (epsilon-PL) having an antibacterial property is used to conduct a modificationof surfaces of the nano-liposomes, a freeze-drying method is used to transfer the thyme essential oil nano-liposomes into solid liposomes, then finally low-temperature plasmas are utilized to conducta surface treatment modification of the solid liposomes, and an antibacterial effect is further improved. The related plant source domestic poultry feed antibacterial additive is simple in preparation processes, good in product stability, uniform in particle size distribution, and relatively high in encapsulation efficiency and drug loading capacity, and has remarkable antibacterial effects on four commonly-occurring susceptible pathogens in domestic poultry.

The invention relates to a method for preparing a polyurethane-nanosilver long-acting antibacterial film by a post-heat treatment modification method, which includes the following steps: (1) diisocyanate and polytetrahydrofuran are mixed to react; a cross-linking agent and an acetone solution of a chain extender are added, dimethylolpropionic acid and a catalyst are added, reaction takes place, and thereby PU (polyurethane) is obtained; a dimethylformamide solution of silver nitrate is added into a polyurethane solution, a film is formed after uniform stirring, heat treatment is carried out, and thereby a polyurethane-nanosilver film is obtained; (2) 4,4'-dihydroxybenzophenone reacts with long-chain alkyl halide, so that 4,4'-bis-long-chain alkoxy benzophenone is obtained; the 4,4'-bis-long-chain alkoxy benzophenone reacts with hydrazine hydrate, so that 4,4'-bis-long-chain alkoxy benzophenone hydrazone is obtained; and the 4,4'-bis-long-chain alkoxy benzophenone hydrazone undergoes oxidation reaction, so that long-chain alkyl diazomethane is obtained; (3) the long-chain alkyl diazomethane is dissolved into a solvent, and is uniformly applied onto the surface of the polyurethane-nanosilver film, and after heat treatment, the polyurethane-nanosilver long-acting antibacterial film is obtained. The method can be used for realizing long-acting bacteria resistance.

A high availability planning and scheduling system includes a number of high availability (HA) systems (20) that are coupled to one or more external systems (40) using a message bus (50). Each HA system (20) includes an HA server (24) that receives and queues requests received from the external systems (40). Each HA system (20) also includes an advanced planning and scheduling (APS) engine (22) that receives a request from the HA server (24) and processes the request using planning information stored in memory of the HA system (20). Furthermore, the APS engine (22) also modifies the planning information according to the processing of the request and generates a response to the external system (40) from which the request originated. The high availability planning and scheduling system further includes a message manager (54) that directs each request received from the external systems (40) to an appropriate HA system (20) using the message bus (50).

The invention relates to a heatproof type easily dispersing ferric oxide yellow pigment and a preparation method thereof. Soluble calcium salt, sodium hexametaphosphate and sodium hydroxide are used as reaction raw materials, an ultrasonic dispersing technique is introduced in a cladding process, calcium phosphate is coated on the surface of the ferric oxide yellow pigment through reaction, and then the sodium stearate organic treatment modification for the surface is performed, so that a composite material is formed. The formed composite material can promote the heat resistance and dispersity of the ferric oxide yellow and can be used as a coloring agent in plastic processing and powder coating application. The cladding type ferric oxide yellow compounded according to the invention has the advantages of excellent heat resistance and dispersity, simple compounding method, low cost, safety, environmental protection, and the like, and has higher industrial application value.

A biological treatment method for improving the dehydration property of kitchen waste anaerobic biogas residues is disclosed. The method includes firstly subjecting the kitchen waste anaerobic biogasresidues to continuous aeration treatment under natural condition for 2 d to obtain aerobiotic solid residues; subjecting the obtained aerobiotic solid residues to enzyme treatment to obtain precipitates after enzyme treatment; modifying the precipitates after enzyme treatment; preparing mud cake and filtrate from the modified residues through a pressure filter; and discharging the filtrate into awastewater treatment system. Through an aeration-enzyme treatment-modification manner, the organic matter degradation rate is effectively increased, digestion of biogas residue floc organic matters is promoted, equipment corrosion caused by chloridion is reduced, and an increase in kitchen waste dry weight is small, thus facilitating subsequent resource utilization. The method greatly improves the dehydration property of kitchen waste anaerobic biogas residues and can reduce the water content of the kitchen waste anaerobic biogas residues to 60% or below.

The invention relates to a surface heat treatment modification method of fluorescent powder and a COB light source made of the fluorescent powder, belonging to the field of LED inorganic luminescent materials. According to the method, heating treatment is carried out on a (Ca, Q)1-y(Al, Si)2(N, T)3: Ay fluorescent powder material in an oxidative atmosphere to ensure that a compact oxide layer is formed on the surface of the fluorescent powder material; and the surface of the fluorescent powder material is modified to effectively isolate the fluorescent powder material from the external environment, so that the stability of the fluorescent powder is improved and the service life of the fluorescent powder is prolonged. According to the method, the stability of single-phase nitrides can be improved to ensure that the nitrides are beneficial for the absorption and emission of light, thereby improving the performance and stability of nitride red powder after LED packaging. When the nitride red powder prepared through the method is matched with an ultraviolet, near-ultraviolet or blue LED and other light emitting materials such as yttrium aluminum garnet and the like, the COB light source with high power and high coloration can be prepared; and after the COB light source is continuously lightened for 1000 hours, the lumen depreciation is zero.

The invention belongs to the technical field of preparation of nano thin films and relates to a preparation method of a black titanium dioxide nano thin film. A technological process comprises three steps including preparation of nanoparticles, preparation of the nano thin film and thickness control of the nano thin film; black titanium dioxide nanoparticles are prepared from titanium tetraisopropoxide and nickel nitrate; the black titanium dioxide nanoparticles are deposited on a stainless steel substrate by adopting an electrophoretic deposition method so as to prepare the black titanium dioxide nano thin film; nickel ion doping is coupled with hydrogen atmosphere heat treatment modification, and effective active sites can be formed on the surface of titanium dioxide by doping nickel ions, and separation of photo-induced electrons and holes is accelerated; the catalytic activity of the titanium dioxide is improved and hydrogen atmosphere heat treatment can expand a photo-response region of the titanium dioxide; white titanium dioxide is turned into black titanium dioxide; the technological process is simple, low in production cost, rapid in deposition speed and high in film-forming quality; an application environment is environmentally friendly and commercialized requirements are met.

The invention relates to a preparation method of a hierarchical pore ZSM-5/ZSM-11 eutectic zeolite molecular sieve, mainly solves the problems that in the mode of preparing the hierarchical pore ZSM-5/ZSM-11 eutectic zeolite molecular sieve by using double template agents or adding seed crystal, steps are tedious, and the price is high, and belongs to the technical field of preparation of inorganic materials. The preparation method comprises the following steps: preparing an aluminum source, a silicon source, an organic template, sodium hydroxide and potassium hydroxide into a raw material mixture; fully stirring the raw material mixture into gel and then transferring the gel into a high-temperature kettle for hydrothermal crystallization; and after washing and filtering, carrying out acid-alkali treatment modification so as to obtain the hierarchical pore ZSM-5/ZSM-11 eutectic zeolite molecular sieve finally. The preparation method is simple and convenient in process, easy to operateand implement and low in cost, and is environmentally friendly.

The present invention concerns easily removable treatment tubes from fabric treatment apparatuses in order to facilitate replacement of such rolls for treatment modification, cleaning, disposal, or any other desirable purposes. Such treatment tubes (102) are generally hollow and may be coated with any standard fabric treatment surface, including sandpaper, diamond grit, wires, brushes, and the like. The ability to easily remove and dispose of such treatment tubes (102) thus provides a significant cost advantage to the manufacturer.

The invention discloses a post-treatment modification method of a polyamide composite nanofiltration membrane. The method comprises the following steps: carrying out post-treatment modification on a new nanofiltration membrane by using an alkaline alcohol solution, and dissolving and removing residual macromolecular chains in a polyamide active layer of the nanofiltration membrane by exerting a synergistic effect between an alkaline substance and an alcohol solvent, so that the polyamide active layer is etched and thinned, and the core functional layer which can play a solute interception role is reserved, so that the interception performance of the nanofiltration membrane is guaranteed, the mass transfer resistance of the nanofiltration membrane is greatly reduced, the water molecule permeability of the nanofiltration membrane is improved, the pure water flux is obviously improved, and the improvement amplitude can reach 100%. The post-treatment modification mode provided by the invention is low in cost and easy to operate, the treatment effect is superior to that of other traditional modification methods, and the method is expected to play an important role in performance improvement of the polyamide composite nanofiltration membrane.

The invention belongs to the technical field of sulfur-tolerant shift in coal chemical industry, and particularly relates to a high-pressure low-sulfur-tolerant shift catalyst and a preparation methodthereof, wherein the catalyst comprises a carrier and an active component, the active component is selected from a binary component of cobalt oxide and molybdenum oxide, the raw materials of the carrier are selected from a magnesium-containing compound, an aluminum-containing compound, a titanium-containing compound and a heat-treated modified montmorillonite. According to the present invention,montmorillonite with characteristics of wide source and low cost is subjected to heat treatment modification to be used as the carrier component so as to reduce the catalyst preparation cost; the montmorillonite is subjected to heat treatment so as to avoid the treatment of the waste acid solution; the product is prepared by the mixing kneading method, such that the active components are uniformlydispersed in the carrier and are not easily lost so as to increase the activity stability of the catalyst; and compared with the impregnation method in the prior art, the method of the present invention has the following advantages that the water consumption is saved, the preparation process and the operation process are simplified, the cost advantage is remarkable, and the prepared catalyst hasgood shift activity and good activity stability under low sulfur condition, and further has good economic benefits and popularization and application prospects.

The invention discloses a high-pressure-resistant insulation electric pump. A high-pressure-resistant insulation layer is covered on an outer shell of the electric pump, and comprises a high-pressure-resistant layer and an insulation layer; the high-pressure-resistant layer and the insulation layer are compounded according to the proportion of the high-pressure-resistant layer to the insulation layer being equal to 3:2; the high-pressure-resistant layer is prepared from the components in parts by mass: 3 to 9 parts of water-based resin emulsion, 13 to 19 parts of silicon carbide micro powder,29 to 32 parts of polypropylene carbonate, 10 to 14 parts of 1-butanol, 10 to 15 parts of polypropylene carbonate, 13 to 18 parts of barium sulfate, 22 to 29 parts of lime powder, 3 to 11 parts of calcium-zinc compound stabilizer, 29 to 32 parts of defoaming agent, 11 to 19 parts of coupling agent, and 22 to 28 parts of fire retardant; the insulation layer is prepared from the components in partsby mass: 9 to 15 parts of nanosilicon dioxide, 2 to 9 parts of butyl acrylate, 10 to 15 parts of silane coupling agent, 22 to 29 parts of wood fiber powder, 15 to 19 parts of carbon fiber powder, 11 to 15 parts of vapor phase inhibitor, 18 to 21 parts of coalescing agent, 20 to 24 parts of thickening agent, 9 to 13 parts of defoaming agent, and 20 to 28 parts of curing agent.

The invention discloses a strong-acid-resistant high-strength metal valve. The outer surface of the metal valve is coated by a strong-acid-resistant high-strength layer, the strong-acid-resistant high-strength layer is formed by compounding of an A component and a B component, wherein the A component comprises the following materials: 9-13 parts of epoxy resin, 6-13 parts of polyurethane, 8-15 parts of titanium dioxide, 3-7 parts of graphite fluoride, 19-24 parts of barium sulfate, 8-13 parts of a thixotropic auxiliary agent, 14-19 parts of a base-material emulsion, 3-9 parts of an antifreezing agent, 20-25 parts a filler, and 33-39 parts of an auxiliary material; and the B component comprises the following materials: 13-19 parts of nano silicon dioxide, 11-19 parts of butyl acrylate, 1-7parts of a silane coupling agent, 14-19 parts of xylem fiber powder, 20-25 parts of carbon fiber powder, 8-14 parts of a vapor phase corrosion inhibitor, 10-14 parts of antimony trioxide, 19-22 partsof a film forming auxiliary agent, 15-19 parts of a thickener, 4-9 parts of a defoaming agent, and 10-15 parts of a curing agent. The metal valve provided by the invention improves working efficiency,reduces pollution to the environment, and reduces production costs, and the process has simple steps, and is convenient for operation.

The invention discloses a wear-resistant and rust-proof valve handle. The surface of a metal valve is coated with a wear-resistant and rust-proof layer, and specific operation of coating the wear-resistant and rust-proof layer comprises steps as follows: (1) cleaning the valve handle with purified water at a temperature of 95-100 DEG C, performing blow drying at a temperature of 80-90 DEG C, cooling the valve handle naturally to the room temperature, cleaning the rubber surface 5-6 times with an aliphatic hydrocarbon solvent with respect to the dried valve handle surface, washing the surface with purified water at the temperature of 45 DEG C, and finally drying the surface by a fan for standby application; (2) preparing a wear-resistant and rust-proof layer coating which is prepared from the following components in parts by mass as shown in the description; (3) sending the valve handle treated in the step (1) to a heating furnace for preheating to 300-350 DEG C, and then sending the preheated valve handle into a spraying device, evenly spraying fine sand to the valve surface for thickness of 0.01-0.03 mm by using a spraying gun, then performing heating curing rapidly, repeating thespraying process until the film thickness is 0.06-0.08 mm; (4) cooling the valve handle coated with the wear-resistant and rust-proof layer, cooling the valve handle to room temperature, and inspecting and warehousing the valve handle.

The invention provides water-based anti-corrosion paint. The paint is prepared from the following components in parts by weight: 80-120 parts of epoxy acrylate, 0.1-8 parts of nano-silica subjected tosilane coupling agent surface treatment modification and 1-15 parts of curing agent, wherein the curing agent is selected from at least one of diisocyanate and triisocyanate, and the epoxy acrylate is synthesized by means of 1-6 parts by weight of epoxy butyrate, 30-50 parts by weight of methyl methacrylate, 30-50 parts by weight of butyl acrylate and 30-50 parts by weight of styrene. The mechanical performance, the water adsorption and the corrosion resistance of the paint are improved.

The invention discloses a powder treatment modification method which is characterized in that the needed raw materials comprise a modifier, water and slurry, wherein the modifier is pasty white emulsion, has the pH value of 7-8, needs to be shaded, enclosed and stored under the condition of 10-25 DEG C and has the storage time of 6 months; the water has the temperature of 80 DEG C. The modifier isadded into the powder, so that the modified powder has low oil absorption value, high dispersity, excellent fluidity and other characteristics; when the powder is applied to silicone adhesive products, the elongation, fluidity and weather resistance of the product can be improved; the powder modified by the modifier is simultaneously applicable to production of PVC (Polyvinyl Chloride) pipes, wire and cable granules and other products, and the quality of the product can be obviously improved; the modifier disclosed by the invention can be applied to modification of artificial marble and artificial quartz stone powder, the resin dose can be reduced, and the surface smoothness effect of the stone products is obviously improved.