106results about How to "Save raw materials" patented technology

The utility model discloses an epoxy floor paint scraping device relates to scraping device design technical field, including scraping main part, epoxy floor paint heating storage unit, brushing unit, and the scraping main part downside surface four corners are provided with one removal wheel respectively, the scraping main body upside surface is provided with the push handrail, the scraping main body right side surface is provided with brushing unit, and epoxy floor paint heating storage unit contains the full paint bucket fixed seat, full paint bucket, protection cover, stirring cylinder, feed pipeline and stirring vane, the scraping main body upside surface is located the position fixed connection one full paint bucket fixed seat right side of push handrail, be provided with one full paint bucket on the full paint bucket fixed seat, when painting, prevent paint condensation, reduce the waste of paint, reduce the scraping time simultaneously, improve the efficiency of daubing.

The utility model discloses a countercurrent absorption device for sulfurous acid, which consists of a process water pipe, a tail gas fan, a third-stage absorption tower, a second-stage absorption tower, a shower nozzle, a first-stage absorption tower, a finished product acid pump, a sulfur furnace, a circulating acid pump and a baffle plate. According to the sulfur dioxide absorption tower disclosed by the invention, the problems that sulfur dioxide gas is not thoroughly absorbed and tail gas pollutes the environment in a sulfurous acid preparation process are solved by adopting countercurrent absorption of the flow direction of sulfur dioxide gas and the flow direction of process water and adopting an absorption mode of combining a shower nozzle and baffle plate water distribution; the sulfur dioxide gas absorption efficiency is high, and equipment and power energy are saved.

The invention discloses an emulsion preparation device and an emulsion preparation method using the same, the device comprises a mixer main body, a liquid inlet conduit, a liquid outlet conduit and a feeding assembly, the mixer main body has a three-way flow channel structure, an optional flow channel is a liquid outlet flow channel, the other two flow channels are liquid inlet flow channels, the liquid outlet conduit is communicated with the liquid outlet flow channel, and the feeding assembly is communicated with the liquid inlet flow channel. The liquid inlet guide pipe is communicated with the liquid inlet flow channel, and the feeding assembly is communicated with the liquid inlet guide pipe. The method for preparing the emulsion comprises the steps that the dispersed phase and the mobile phase are obtained, the continuous phase and the dispersed phase are put into the two liquid inlet flow channels of the mixer body through the liquid inlet guide pipes by means of the feeding assembly, the emulsion formed after mixing flows out of the liquid outlet flow channels and is collected, the flow speed ratio of the continuous phase to the dispersed phase is 2: 1-4: 1, and the total flow speed is 60-750 mL / min. According to the scheme, the emulsion with the appropriate particle size is prepared at the low flow speed, the feeding temperature range is wide, the device is simple, the channel dead volume is small, and the device is suitable for both laboratories and industrial production.

The utility model relates to the technical field of vehicle-mounted electric control cover plate die-casting, and discloses a new energy vehicle-mounted electric control cover plate die-casting device which comprises a die-casting device body, a baffle is fixedly connected to the left side of the top of the die-casting device body, a die-casting mechanism is arranged at the top of the die-casting device body, and a base is fixedly connected to the bottom of the die-casting device body. A collecting mechanism is arranged at the bottom of the die-casting device body, the die-casting mechanism comprises a die-casting assembly and a stirring assembly, the die-casting assembly is arranged at the top of the die-casting device body, and during use, through the arranged die-casting mechanism, when a vehicle-mounted electric control cover plate needs to be subjected to die-casting work, a first servo motor drives a first threaded rod to rotate; the hydraulic cylinder pushes the push plate, raw materials in the conveying pipe stably and accurately enter the first die, the right side of the second die makes close contact with the left side of the first die, and the sealing performance of the dies in the die casting process is guaranteed.

This invention relates to a partially elastic fabric and its weaving method, comprising a mesh fabric body. The mesh fabric body includes an embroidery layer, a textured layer, a functional yarn layer, and an elastic and reinforcing structural layer. It is woven using a warp knitting machine. The embroidery layer is formed on the uppermost layer of the fabric through a lateral shifting and pressing mechanism of the patterned yarn guide bars. The textured layer is formed through a double Jacquard guide bar loop-forming mechanism. The functional yarn layer is formed through a double ground guide bar loop-forming mechanism. The elastic and reinforcing structural layer is formed by a regular mesh structure woven through the ground guide bar weft insertion mechanism in conjunction with the loop-forming ground guide bar of the functional yarn layer. The weaving method of this invention produces a fabric with a strong structure and excellent physical properties such as wash fastness and rubbing fastness.

The application discloses a kind of eutectic solvent and its preparation method and application, the eutectic solvent is used for the dissolution, separation or regeneration of cellulose and / or starch, the eutectic solvent includes first solvent, second solvent and water;The first solvent is selected from at least one of the compounds shown in formula 1.The eutectic solvent of the application has very good solubility for cellulose and / or starch, can quickly dissolve a large amount of cellulose and / or starch, is suitable for the dissolution, separation and regeneration of cellulose and / or starch, etc., and is low in cost, easy to prepare, the raw materials used are all harmless to the environment, can be recycled, is an environmentally friendly solvent system.

The utility model belongs to the technical field of decorative paper production, specifically relates to a kind of impregnation device for decorative paper production, including impregnation box and lifting mechanism, two support frames are equipped in the left and right ends of impregnation box, guide roller is equipped on support frame, scraper assembly is equipped on the support frame of right side, scraper assembly includes fixed frame and two scrapers, fixed frame is equipped with the through-hole for the decorative paper to pass through, both sides of through-hole are equipped with guide sliding slot and several first bolt positioning holes, two scrapers are opposite and set in through-hole, two scrapers are slidably connected in the inside of two guide sliding slots, the both ends of two scrapers are equipped with second bolt positioning hole, the inside of impregnation box is equipped with two compression rollers;Lifting mechanism is arranged outside impregnation box, for driving impregnation box to move up and down.This device can adjust the height of impregnation box, to change the distance between compression roller and the bottom of impregnation box, so that the residual impregnation liquid in impregnation box is fully utilized, and raw materials are saved.

The application discloses a double-specification inoculation ring push-scraping groove mold, which comprises a limiting plate one arranged in a rectangular plate body structure, a butt joint column one end symmetrically connected to the bottom end of the limiting plate one, and the other end of the butt joint column connected to the surface of a limiting plate two, the bottom end of the limiting plate one hingedly connected to a front fixed plate, and a positioning ring symmetrically arranged on the two sides of the front fixed plate. The double-specification inoculation ring push-scraping groove mold is provided with a push-scraping groove one and a push-scraping groove two arranged on the surface of a male mold plate in an interlaced and equidistant manner. Due to the symmetrical circular groove structure of the two ends of the push-scraping groove one and the push-scraping groove two, the two ends of the push-scraping groove one and the push-scraping groove two are penetrated by a pulling needle and a ejector pin rod according to production needs, the inoculation ring is inoculated in the interior of the push-scraping groove one and the push-scraping groove two through the penetration of the pulling needle and the ejector pin rod, the formed inoculation rings of different sizes are pushed out, the corresponding ejection environment is provided for the inoculation rings of different sizes, and the application range of the pulling needle and the ejector pin rod is increased.

The application provides a twist connection chute manufacturing method and device, and relates to bulk material conveying technology field.The method comprises the following steps: connecting each vertex of a preset first chute opening section model with two vertices closest to the each vertex in a preset second chute opening section model respectively to obtain a twist connection chute frame model; filling the twist connection chute frame model to obtain a twist connection chute peripheral base plate model; and packaging the twist connection chute peripheral base plate model to obtain a twist connection chute final model, so that the twist connection chute is manufactured based on the twist connection chute final model.The application can reduce the difficulty and cost of manufacturing the connection chute, thereby improving the efficiency of manufacturing the connection chute, and can reduce the installation difficulty of the manufactured connection chute, thereby improving the installation efficiency of the connection chute.

This invention discloses a method for preparing trifluoropropionic acid, comprising the following steps: Step 1, reacting acetic acid with trifluoropropylene under the action of a catalyst to obtain trifluoropropyl acetate; Step 2, transesterifying trifluoropropyl acetate with methanol to obtain trifluoropropanol; Step 3, oxidizing trifluoropropanol with hydrogen peroxide under the action of a catalyst to obtain trifluoropropionic acid. This invention has a high yield, simple process conditions, and cheaper raw materials, which can significantly reduce the cost of trifluoropropionic acid.

The invention relates to a preparation process of a prestressed centrifugal solid circular pile, which comprises the following steps: S1, designing a mold of the solid circular pile according to the actual requirements of a field pile foundation, and coating a layer of isolating layer on the mold before pouring, s2, a required pile body reinforcement cage is machined according to the size of the prefabricated square pile to be prepared, and an integral framework is assembled; s3, designing a theoretical mix proportion of the concrete, determining an actual mix proportion after test adjustment, and preparing the concrete according to the actual mix proportion; s4, the overall framework is installed in a mold, prestress tensioning is conducted through a tensioning machine, and then anchoring is conducted; and S5, concrete in the actual proportion is poured, and the solid circular pile is obtained. The shear resistance and bending resistance of the prepared solid circular pile are better than those of a solid square pile, raw materials are greatly reduced, and energy conservation and emission reduction are effectively achieved. The invention further relates to the prestressed centrifugal solid circular pile.

This invention provides a method for synthesizing dimethyl carbonate, belonging to the field of carbonate compound synthesis technology. The synthesis method of this invention does not require high temperature and high pressure conditions, and can be carried out at room temperature and pressure, significantly reducing energy consumption and equipment requirements. By coupling the reduction and oxidation reactions of photoelectrochemical carbon dioxide conversion, the synthesis energy barrier of dimethyl carbonate is lowered, improving energy utilization efficiency. Using greenhouse gas carbon dioxide as the main raw material, waste resource utilization is achieved, and the energy used is clean energy such as solar or electrical energy, avoiding pollution at the source. This invention couples the carbon dioxide conversion and dimethyl carbonate synthesis steps, realizing the recycling of the reactant methanol within the system, simplifying the process flow. The combined use of light and electrical energy produces a synergistic effect, improving the reaction rate and the selectivity of dimethyl carbonate.

This invention discloses a method for preparing and applying o-pyrazolylphenylacetone olefin derivatives. The method involves dispersing o-pyrazolylphenylpropenol compounds, aryl aldehyde compounds, and a catalyst in an organic solvent to react and obtain o-pyrazolylphenylacetone derivatives. The method for synthesizing o-pyrazolylphenylacetone derivatives of this invention has advantages such as inexpensive raw materials, simplicity and efficiency, mild reaction conditions, high atom economy, easy product purification, and green economy. The obtained products can be directly applied as potential drugs in the pharmaceutical field, showing broad application prospects.

This invention relates to an industrial preparation method for 2-methylphenylacetic acid, comprising the following steps: under an inert solvent, 2-methylhalobenzene and malonate diester undergo a coupling reaction in the presence of a catalyst and base A to obtain compound one; compound one is hydrolyzed and decarboxylated under the presence of base B to prepare 2-methylphenylacetic acid; the chemical structural formula of compound one is: [formula missing], where R is a C1-C8 alkyl group. Compared with existing technologies, this invention uses inexpensive raw materials, is simple to operate, can react under normal pressure, has relatively mild conditions, is safe and environmentally friendly, and is easy to industrialize.

The utility model discloses a kind of perforating device of bundled straw biomass fuel, including frame, and frame is provided with perforating device, and perforating device includes linear power mechanism, mounting seat and punch assembly, the end surface of mounting seat is connected with linear power mechanism, and the other end surface is provided with punch assembly;The bottom of frame is provided with the positioning assembly for positioning straw bundle, and linear power mechanism drives punch assembly to carry out punching operation to the straw bundle after positioning. Linear power mechanism includes any one in hydraulic cylinder, cylinder, electric cylinder, and hydraulic cylinder is connected with hydraulic pump group and control valve group, cylinder is equipped with gas source equipment and solenoid valve, electric cylinder is electrically connected with servo driver and controller. The utility model punches in straw bundle, obtains straw bundle with air hole, increases airflow flow in straw bundle, effectively improves the combustion efficiency of whole straw bundle, can effectively reduce the volume and structure of combustion furnace, reduces combustion furnace investment cost.

This invention discloses a method for preparing 1-(3,4-diaminophenyl)ethyl ketone. The method includes the following steps: reducing 4-ethynyl-3-nitroaniline with iron powder to obtain 1-(3,4-diaminophenyl)ethyl ketone, as shown in the reaction formula below. The preparation method of this invention does not require the use of concentrated nitric acid or concentrated sulfuric acid as nitrating agents, resulting in less environmental pollution. Furthermore, the reduction of the nitro group and the hydration of the ethynyl group to synthesize the acetyl group are completed in a one-pot process, making the preparation method simple and eliminating the need for complex purification of intermediate products, thus making it highly suitable for industrial production.

The invention relates to a manufacturing method of a split flexible gear, which is applied to the field of welding and comprises the following steps: respectively manufacturing a cup body and a flange plate; putting the cup body and the flange plate into cleaning equipment, and performing surface treatment on the cup body and the flange plate; the cup body is assembled on the flange plate to form a workpiece; a brazing filler metal and a stop-off agent are placed on the lap joint face between the cup body and the flange plate; the whole workpiece is put into a vacuum brazing furnace, and a vacuum system is started to vacuumize the interior of the vacuum brazing furnace; and the temperature in the vacuum brazing furnace is increased to the target brazing temperature. The mode of integrally machining the flexible gear through a complex deep-cavity thin-wall part in the prior art is optimized and decomposed into two relatively simple parts to be welded and machined, the production process is optimized and shortened while raw materials are saved, a heat affected zone can be greatly reduced through vacuum brazing, and the production quality and the production efficiency of the flexible gear are improved.

The invention discloses a biomass gasifier system and a process method thereof, and belongs to the technical field of biomass gasification. The biomass gasifier system comprises a crushing system, a crushing system, a pelletizing system, a carbonization system, a gasification system, a waste heat recovery system, a fly ash interception system and a cooling and washing system which are communicated in sequence. By utilizing the technology, a mature biomass gasification production process method can be provided, the problems of the existing fixed bed, entrained-flow bed and other furnace types are solved, the consumption in the gasification process is reduced, and the production efficiency is improved.

The utility model provides a beer barrel sealing cover precision injection molding mould based on a hot runner, which comprises a first mould seat, a second mould seat, a mould tail seat and a mould top plate piece, the hot runner structure comprises a mounting cover, a nozzle body connecting part, a nozzle body and a nozzle core head, the mounting cover is connected with the nozzle body through the nozzle body connecting part, one end of the nozzle body and the nozzle core head are integrally formed, and the other end of the nozzle body is connected with the nozzle core head. A heating copper wire is wound on the outer surface of the nozzle body connecting part, a heat-conducting copper strip is arranged on the outer surface of the nozzle body, and the heating copper wire is in contact with the heat-conducting copper strip through a heat-conducting sheet. The heating copper wire is wound on the outer surface of the connecting part of the nozzle body, and the heat-conducting copper strip is arranged on the outer surface of the nozzle body, so that plastic of a runner and a pouring gate can be kept in a molten state, good fluidity of plastic melt is ensured, meanwhile, the runner does not need to be opened to take out condensed materials after an injection machine is shut down, raw materials are saved, and the cost is reduced.

The invention discloses a quantum dot polarized photoelectric detector and a preparation method and application thereof, and relates to the technical field of photoelectric detection. The quantum dot polarized photoelectric detector comprises a substrate, a gold layer, an aluminum oxide layer, a patterned gold layer 1, a ZnO quantum dot layer and a patterned gold layer 2 which are sequentially arranged from bottom to top. According to the quantum dot polarization photoelectric detector, polarization detection of ultraviolet light can be achieved, polarization characteristics (polarization direction, polarization degree and polarization state distribution) of the ultraviolet light are captured, efficient detection of polarization state light of a specific wave band by the quantum dot polarization detector is achieved, and absorption of the light at 220-320 nm is enhanced.

The present application relates to a kind of palladium-based methane combustion catalyst and its preparation method and application, the preparation method includes the following steps: after obtaining mixed sol by mixing titanium source, cerium source and complexing agent, evaporate, dry and sinter in sequence, obtain cerium titanium carrier;The palladium-based methane combustion catalyst is obtained by impregnating mixed cerium titanium carrier and palladium source, and then drying and calcining in sequence.The preparation method of the present application is simple, and raw materials are cheap and easy to obtain.The palladium-based methane combustion catalyst prepared has low light-off temperature, and has water resistance, which can be applied to the treatment of methane in tail gas.

The invention discloses a method for electro-catalytically synthesizing 6-aminocapronitrile by using a coated electrode, which comprises the following steps: taking cyclohexanone and ammonium chloride as electrolyte, adopting a three-electrode system, and carrying out electro-catalytically synthesizing 6-aminocapronitrile in a RHE potential range of-0.6 V vs to-1.1 V vs at room temperature, wherein the catalytic electrode is formed by coating a catalyst on a substrate, the catalyst is CoOx / CuOx, CoOx or a mixture of CoOx and CuOx, and the substrate is foamy copper subjected to acid treatment and roasting; in the catalytic reaction process, cyclohexanone is subjected to hydrogenation reduction through a cathode to generate cyclohexanol and reacts with NH4 < + > to generate imine, and then the imine is further subjected to hydrogenation reduction on the cathode to generate 6-aminohexanol; the generated 6-aminohexanol is oxidized into 6-aminohexanal on the surface of the anode, the 6-aminohexanal reacts with NH4 < + > to generate 6-aminohexanamide, and the 6-aminohexanamide is further dehydrated to generate 6-aminocapronitrile. The preparation process is simple, easy to control and environmentally friendly, the raw materials are cheap and rich in resources, and the problems that traditional 6-aminocapronitrile synthesis is high in energy consumption, low in selectivity and dependent on precious metal catalysts are effectively solved.

The invention discloses a preparation method of a zirconium ball valve core, which is characterized by comprising the following steps: S1, smelting to obtain a zirconium ingot with the specification of phi 600mm; s2, saw cutting is conducted, and the materials are divided into four equal parts; s3, cogging forging is conducted, and a rough circle of phi 350 mm is manufactured; s4, sawing again; s5, blank manufacturing and forging are carried out, and a blank with the height being 330 mm is obtained; s6, punching is conducted, and an annular blank is obtained; and S7, a finished product is rolled into the blank, an 80KN broaching machine is used for broaching, an inner hole and the outer diameter are continuously rolled to the forging size, then heat treatment is conducted, finish machining is completed after heat treatment, and the valve element is obtained. The preparation method of the valve element is suitable for batch production, the product structure uniformity is stable, the quality is good, the overall strength is high, abrasion is not prone to occurring, raw materials are saved, the regular spherical surface is directly rolled, the machining amount is small, the machining time cost is greatly reduced, and the cost is greatly reduced.

This invention discloses a femtosecond laser direct-write photoresist film-forming resin, a negative femtosecond laser direct-write photoresist, and a patterning method thereof. The chemical structure of the femtosecond laser direct-write photoresist film-forming resin is shown in Formula (I). This resin is a random copolymer with a weight-average molecular weight (Mw) between 1.7 and 2.2 kDa and a distribution index (D) between 1.4 and 2. The negative femtosecond laser direct-write photoresist provided by this invention comprises 3-5 wt% of the aforementioned film-forming resin, 5-10 wt% of an active monomer, 0.1-1 wt% of a two-photon initiator, and 85-91 wt% of a solvent. The film-forming resin of this invention can improve the etching resistance of the negative lithography composition, enhance the adhesion between the film and the wafer, thereby improving the resolution of the lithographic pattern and improving the pattern morphology.

A device for precisely controlling the tension of a steel wire tail line, comprising a support, a magnetic plate fixed to the top of the support, two steel wire guide rollers rotatably arranged at the left and right ends of the magnetic plate, the magnetic plate being an electromagnetic magnetic plate, the electromagnetic magnetic plate being an industrial equipment for generating a controllable magnetic field by using electromagnetic principle, the highest point of the guide roller being higher than the upper surface of the magnetic plate, a longitudinal threading hole being arranged in the magnetic plate, and a cable being arranged through the threading hole, the cable being part of a circuit for controlling the magnetic field of the electromagnetic magnetic plate. Compared with the prior art, the device has the magnetic plate, can adsorb the steel wire tail line on the magnetic plate, avoids problems such as loose winding and disorder of the steel wire, can be normally used, and saves raw materials.

The utility model provides a kind of caliper support and brake of vehicle brake. The caliper support of vehicle brake, comprising: support body, the support body is used to support friction plate;Clamping piece;The clamping piece is connected with the support body, and the clamping piece is matched with the support body to clamp friction plate and allow the friction plate to move. The clamping piece and support body of the utility model are designed separately, can be conveniently assembled support body, friction plate and clamping piece, even in the case of smaller space and size, can be conveniently assembled. The support body is only provided with a first crossbeam, relative to the support of prior art with two crossbeams, saves raw material. First crossbeam is arranged in the middle of first support part, can firmly support first support part, guarantees structural strength.

This invention relates to the field of rare earth element separation, and discloses a method for preparing a eutectic extractant and extracting and purifying yttrium. The eutectic extractant prepared by this invention has low water solubility and low viscosity. The extraction process does not require saponification treatment or dilution with organic solvents. It has strong extraction ability for rare earth elements, good selectivity, and is easy to prepare. It achieves efficient and green separation and purification of yttrium without saponification or solvents, without generating saponification wastewater, and with low separation cost.

The invention provides a halogen-containing solvent recognition response organic fluorescent material and a preparation method thereof. According to the structure of the fluorescent material, two carbazole molecules are thickened to form a rigid conjugate plane, the degree of conjugation is large, and the absorption position of the fluorescent material is expanded to a visible light area. Aiming at specific response recognition of a halogenated solvent and no obvious fluorescence color change in a non-halogen solvent, the organic fluorescent material is an organic fluorescent sensor capable of realizing light excitation naked eye recognition response, can be used for specific recognition of the halogenated solvent, and has a good application prospect.

The utility model relates to a honeycomb oil smoke and particulate matter purification and dust removal device which comprises electrode stands and a corona cavity mechanism, the peripheries of the inner sides of the two electrode stands are respectively connected with two frames through porcelain insulators, the electrode stands are connected with the frames through a plurality of tension springs, and the corona cavity mechanism is installed between the two frames; a tenon-and-mortise structure is reserved on an extruded regular hexagonal honeycomb profile through die design, the profile is overlapped at the tenon-and-mortise structure to form a corona cavity after being cut, meanwhile, overlapped cavities are connected through a connecting buckle, the regular hexagonal profile and the connecting buckle are combined through the tenon-and-mortise structure, and therefore the corona cavity is formed. The whole structure is mainly composed of the electrode stand, the corona wire, the corona cavity and the porcelain insulator, the overall stability of the structure is high, the volume ratio is large, the purification efficiency is high, the material utilization rate is high, the size is small, the purification efficiency is improved, the structure is firmer and more reasonable, and raw materials are reduced.

This invention relates to a recombinant bacterial cell for de novo synthesis of xanthocyanin WGX-50 using glucose as a carbon source, its construction method, and its applications. The recombinant bacterial cell uses *Escherichia coli* as the host strain and integrates the following three heterologous biosynthetic modules: a 3,4-dimethoxyphenylethylamine de novo synthesis module, which contains an enzyme system catalyzing the generation of dopamine from L-tyrosine and further stepwise methylation of dopamine to 3,4-dimethoxyphenylethylamine; a cinnamoyl-CoA synthesis module, which contains an enzyme system catalyzing the generation of cinnamoyl-CoA from phenylalanine or glucose metabolic intermediates; and an amidation module, which contains an acyltransferase capable of catalyzing the condensation of 3,4-dimethoxyphenylethylamine and cinnamoyl-CoA to generate xanthocyanin WGX-50. This invention achieves, for the first time, the de novo biosynthesis of xanthocyanin in microorganisms, completely eliminating dependence on the expensive exogenous precursor 3,4-dimethoxyphenylethylamine and significantly reducing raw material costs.