514results about How to "Prevent the occurrence" patented technology

The invention discloses a calcination process of active lime. The calcination process adopts a preheating-suspension calcination device comprising a multi-stage cyclone preheating system, a decomposing furnace and a multi-stage cyclone cooler. The calcination process is characterized in that limestone powder which is broken and homogenized into blocks is ground into fine powder, the fine powder is placed in a storage tank for homogenization, then preheated by the multi-stage cyclone preheating system and sent to the decomposing furnace for calcination, thereby preparing the active lime, and the active lime is further cooled by the multi-stage cyclone cooler for obtaining the active lime; wherein the main control temperature of the decomposing furnace is 850-950 DEG C; and the calcination time is 3-5 seconds. The calcination process utilizes the preheating-suspension calcination reaction method for calcining the active lime, and fuel can use low-grade fuel-biluminous coal. Compared with the traditional process, the calcination time is short, the effective utilization rate of the lime product is high, the product quality is stable, the energy consumption is low, and a production region has no environmental pollution; meanwhile, the calcined active lime is the fine powder, the use is very convenient, and the range of applications is broader in comparison with the active lime calcined by the traditional process, thereby being conductive to promotion and implementation.

The invention relates to a single-component polyurethane sealant capable of quickly curing moisture and a preparation method thereof. The polyurethane sealant comprises the following raw materials in percentage by weight: 10 to 20 percent of polyisocyanate monomer, 20 to 45 percent of polyether polyol, 1 to 10 percent of acetoacetic ester sealed end polyether prepolymer, 5 to 20 percent of plasticizer, 25 to 40 percent of modified mineral powder, 1 to 5 percent of latent curing agent, 0.1 to 2 percent of cyclodextrin wrapped environment-friendly catalyst, 0.1 to 1 percent of defoaming agent and 0.1 to 1 percent of water-removing agent, wherein the water-removing agent is one or more of mono-isocyanate compound or functionalized silane compound. The single-component polyurethane sealant avoids bubble fundamentally, can be quickly cured, is stable in storage, and can be applied to construction on damp interfaces.

The invention discloses a low-temperature dry distillation and high-temperature quick thermal decomposition treatment process method for municipal domestic garbage, and belongs to the technical field of treatment and utilization of the municipal domestic garbage. The method uses flammable gas generated in the high-temperature decomposition process to pretreat and dry the garbage and to heat a thermal decomposition furnace, gets rid of the garbage and changes waste material into things of value without exterior energy consumption, and achieves cyclic utilization of the garbage regeneration energy. The successful research and development of the yin and yang cyclic high-temperature thermal decomposition furnace solves key technology problem of garbage high temperature thermal decomposition technology and device. An organic garbage pressing molding technology effectively guarantees garbage batch treatment and heat value of regeneration carbon. The high-temperature thermal decomposition in a close anoxia condition in the garbage treatment process and use of additive restrain and eliminate the generation of the dioxin, and no dust or exhaust gas is directly discharged, so that a secondary pollution problem is solved. A garbage volume reduction rate and a resource use ratio are maximized.

The invention relates to a method and mold for packaging high-power LED (light emitting diode) liquid silicon rubber. The method comprises the following steps: 1) preparing an upper mold, a lower mold and a middle partition board, and installing the upper mold and the lower mold at a working region for later use; 2) placing a support in a charging box, and then placing the charging box at a feed inlet; 3) delivering the support to a positioning groove of the upper mold, then sleeving the middle partition plate for positioning, laying a thin film layer at the surface of the lower mold, and then injecting a glue into a glue storage groove; 4) combining the upper mold and the lower mold, and vacuumizing; 5) rising a piston at the bottom of the glue storage groove, pushing the glue into a glue inlet channel, and injecting the glue into a cavity which is formed by a stand-by support and the lower mold through the glue inlet channel, thus the injected glue is formed and solidified; and 6) separating the upper mold from the lower mold, pulling away the thin film, delivering the support to a machine discharge hole, and pushing the support out of a discharging box. The packaging method has the advantages of simple and reasonable working procedure and high production efficiency; automatic glue injection is adopted, the speed is rapid, the glue amount is consistent, and the package quality is good; and in addition, high temperature solidification is adopted, and the time is short.

The invention discloses a locally anti-dazzle processing process of glass. The process comprises the following steps: firstly covering the part which does not need anti-dazzle treatment on the surface of to-be-treated glass with an acid-resistant impact-resistant protective layer; then impacting silicon carbide sands which are over 2000 meshes by using compressed air to the surface of the glass which is not covered by the acid-resistant impact-resistant protective layer, wherein the sand spray time is 30-60 minutes; and after sand spray, putting the sprayed glass into a 10-25% strong acid mixed solution to etch for 25-30 minutes. The process is simple to operate and refine in step and fully satisfies the technique requirements of optical level flat panel display and subtle touch of a touch screen.

The invention belongs to the field of the manufacturing of organic fertilizers and discloses a method for producing an amino acid microbial organic fertilizer by using cassava residue and starch waste liquor. The method comprises the following steps of: dehydrating the cassava residue and the starch waste liquor until the final water content is 60 to 65 weight percent; adding 8 to 12 weight percent of humic acid, 3 to 7 weight percent of oil cake, 3 to 7 weight percent of rice bran and 0.3 to 0.5 weight percent of straw fermentation decomposing inoculant, and performing aerobic fermentation, wherein the fermentation temperature is 40 to 65 DEG C, and the fermentation cycle is 15 to 20 days; and uniformly mixing a functional strain which accounts for 3 to 5 percent of the total weight and is one or more of Bacillus mucilaginosus, bacillus subtilis, Bacillus licheniformis, Bacillus megaterium and Streptomyces jingyangensis, starch-containing waste liquor which accounts for 2 percent of the total weight and fermented residue, aerating the air and performing late curing for 5 to 7 days, and adding 1 to 3 percent of amino acid to obtain a finished product. Raw materials do not contain harmful bacteria and pathogens, harmful gas and odor are not generated in the fermentation, and the fertilizer can increase effect and stimulate plants to grow quickly.

The invention discloses a masonry-wall line-pipe, line-groove and line-box burying construction method. The construction method includes the steps that in the pre-construction method, reinforcing steel bars are pre-buried or post-implanted into a top plate and a bottom plate on the peripheries of a line pipe and a line groove buried in a masonry wall, the line pipe, the line groove and a line box are completely arranged, then the corresponding pre-buried reinforcing steel bars of the bottom plate and the top plate are bound and woven into a whole in a concrete-constructional-column mode, the line pipe, the line groove and the line box are fixed, a formwork is installed, and concrete pouring is carried out; in the post-construction method, reinforcing steel bars are pre-buried or post-implanted into a top plate and a bottom plate on the peripheries of a line pipe and a line groove buried in a masonry wall, the portion is reserved when wall masonry is carried out, and after masonry construction is completed, the line pipe, the line groove and a line box are installed, then the corresponding pre-buried reinforcing steel bars of the bottom plate and the top plate are bound and woven into a whole in a concrete-constructional-column mode, the line pipe, the line groove and the line box are fixed, a formwork is installed, and concrete pouring is carried out. According to the construction method, the wall does not need to be slotted, cracks or fractures of the wall can be avoided, environment pollution is reduced, labor strength is reduced, construction is simple, construction time is short, the cost is low, and the installing quality is reliable.

The invention discloses blue wool reactive dye and a preparation method thereof. The general formula of the dye is as shown (on the lower right). The preparation method for the blue reactive dye comprises the following steps: copper phthalocyanine, a chlorosulfonic acid, thionyl chloride, ethanolamine and oleum are taken as main raw materials, and the blue wool reactive dye is prepared by chlorosulfonation, condensation, esterification, improvement of the concentration of the dye, adjustment of the chromatic light, adjustment of the strength, drying and packaging. The blue wool reactive dye obtained has higher reactivity, superior solubility, colorful chromatic light, good lightfastness performance and high exhaustion rate and fixation rate, and does not contain free metal ions and chemical raw materials which are strictly prohibited to be used. By adoption of the pre-mixing technology after film treatment, waste water and waste residue can be prevented from being generated, so that the blue wool reactive dye greatly promotes environmental protection.

The invention discloses a sludge recycling technique which comprises the following steps: sending sludge to a drying machine to carry out low-temperature drying; separating sludge and fume from the drying machine by a gas-solid separator; sending the separated dry sludge to a dry distillation machine to carry out dry distillation; carrying out deficient-oxygen or no-oxygen dry distillation while keeping the temperature of the dry distillation furnace at 150-800 DEG C, wherein organic substances in the sludge are subjected to cracking reaction in the dry distillation process to produce abundant high-heat-value combustible gas which can be used as a fuel, and the fume generated by the dry distillation furnace is discharged after being subjected to waste heat utilization and purification; and after the dry distillation finishes, cooling the residual solid slag to below 50 DEG C by a slag cooling machine, thereby obtaining biological carbon. By using sludge drying+dry distillation technology, the sludge is prepared into the biological carbon for soil amendment, thereby thoroughly solving the problem that the sludge is hard to treat; and the invention does not need subsequent treatment or produce secondary pollution, has the advantage of low treatment cost, and can thoroughly change waste sludge into valuable substances, thereby implementing recycling and cyclic utilization.

The invention discloses a synthesis method of a JAK (Janus Kinase) inhibitor. The synthesis method comprises the following steps: carrying out condensation on an intermediate A-8 and an intermediate B-3 to obtain an intermediate AB-1; carrying out deprotection on the intermediate AB-1 to obtain an intermediate AB-2; carrying out cyclization on the AB-2 to obtain an intermediate AB-3; carrying outthe deprotection on the intermediate AB-3 to obtain an intermediate AB-4; carrying out the deprotection on the AB-4 again to obtain an intermediate AB-5; carrying out condensation reaction on the AB-5to obtain the JAK inhibitor 1. The synthesis method disclosed by the invention has the main advantages that the intermediate A-8 is prepared through a chiral catalysis method in a high-yield and high-chiral-purity manner, and the intermediate B-3 and the JAK inhibitor 1 are prepared in a high-yield manner. Useless enantiomers are nearly not generated so that the pressure on the environment is reduced; meanwhile, the reaction yield is high, the operation is simple and the post-treatment is simple and convenient. According to the synthesis method, reaction conditions also can be applied to large-batch preparation and are suitable for industrial production, so that the synthesis method has relatively high practical value and social and economic benefits.

The invention relates to a high-shear reaction kettle which comprises a motor driving device, a stirring device, a kettle body, a clamping sleeve and a baffle plate, wherein the motor driving device is connected with the stirring device and is positioned on the top of the kettle body, and the stirring device is arranged in the kettle body; the clamping sleeve is arranged outside the kettle body, and the baffle plate is arranged in the kettle body; a material inlet, a material outlet and a kettle-inside temperature sensor inserting hole are formed in the kettle body, and a condensing medium inlet, a condensing medium outlet and a clamping sleeve temperature sensor inserting hole are formed in the clamping sleeve. The high-shear reaction kettle is applied to the production of the suspension polymerization polyethylene. Compared with the prior art, the reaction kettle can provide great radial shearing force, so that the generation of a dead angle in the reaction kettle is avoided. The polymerization reaction kettle is adopted to produce a polymerization product, namely the polyethylene, the molecular weight distribution and the particle size distribution of the polyethylene are narrow, the particle size of the polyethylene is uniform, the quality of finished products of the polymerization product is significantly improved and the rate of finished products of the polymerization product is significantly increased.

The invention provides a full-closed coal mining device for a soil-like coal working face. The full-closed coal mining device comprises a hydraulic bracket, a carbon fiber net and a coal mining machine, wherein the hydraulic bracket is a supporting covering type hydraulic bracket, and comprises a top beam, an end protective plate, a telescopic beam, a covering beam, a front vertical column and a rear vertical column; the carbon fiber net is laid above the hydraulic bracket; the rear part of the covering beam is covered by the carbon fiber net, and the carbon fiber net located at the rear part of the covering beam is laid along the side wall of gangue; one end of the carbon fiber net is fixed at the bottom of the gangue, and the other end of the carbon fiber net drops down from the front end of the end protective plate; the carbon fiber net is jacked on a coal wall through the telescopic beam and the end protective plate; and one end of a steel wire rope is fixed on a manual winch, and the other end of the steel wire rope is fixed at one end, which drops down, of the carbon fiber net after penetrating through a pulley. The coal mining device provided by the invention can enable a worker to be in a state where the bracket, a top plate and the coal wall. The invention further provides a coal mining method of the coal mining device. The coal mining device and the coal mining method are easy to operate, safe and effective.

The heat recovering and microwave reducing manganesian ore roasting process adopts microwave heating furnace for reducing and roasting manganesian ore and has the afterheat recovered by means of hot blast circulation technology. The technological parameters include the weight ratio between reducing coal and manganesian ore of 15 %-18 %, most ore powder size smaller than 100 mesh, reducing roasting temperature of 380-450 deg.c, reducing roasting reaction time not less than 5 min, and material outlet temperature not higher than 80 deg.c. The technological apparatus includes heating microwave oven, preheating bin over the microwave oven, cooling bin below the microwave oven and hot blast pipeline between the preheating bin and the cooling bin. The present invention can reach reducing rate not lower than 92 %, coal consumption not higher than 180kg/ton ore, and total power consumption not higher than 140kw.h/ton ore.

The invention provides a unique code printing screening industrial fool-proofing device which comprises an upper computer and an equipment cabinet internally provided with a barcode printer, a fixed type scanner and a label gyrator. The invention further provides a barcode label printing method of the unique code printing screening industrial fool-proofing device. In the industrial application of the unique code printing screening industrial fool-proofing device and the printing method thereof, the functions of generating, printing and verifying of unique codes are integrated, the trouble of errors caused by human factors is eliminated fundamentally, and the full automatic fool-proofing function is achieved. For all the labels printed by the printer, the unique fool-proofing feature of the labels can be screened in time after the labels are printed. If omissions and errors occur in the printing process, records are available for checking. The integration of functions from printing to screening is achieved, and the complexity of implementation is lowered. Full automation from the generating to the printing of the barcodes and then to the finished products through screening is achieved, and manual operation is completely avoided. Furthermore, after the printing is interrupted, printing is performed after the memory of the cache of the printer is cleared, a next printing instruction is directly jumped to, and code repetition is avoided.

The invention relates to a light and high-strength wallboard made from fiber reinforced concrete which takes 30-40% of cement, 25-35% of rock flour, 20-30% of pulverized fuel ash, 5-9% of plant fiber, 1-3 per mill of concrete fiber, 1-1.5 per mill of white emulsoid, 1-1.5 per mill of acid amides, 3-5 per mill of cellulose calcium and 1-1.5 per mill of calcium stearate as raw materials. The plant fiber is paper fiber and/or straw fiber. Water is added to mix all the materials, so that the mixture obtains very good plasticity; then the mixture gets through the vacuum extruder and is squeezed out through a die orifice, forming a plate with a section; then the plate is cut into plates with a certain length, which are conveyed to a curing room for curing and molding. With the preparation method of the invention adopted, production processes can be reduced, waterproof and heat-preservation effect can be bettered, production cost can be lowered and pollution sources can be precluded. In addition, wasted paper at home can be used to replace the wasted paper imported from abroad so as to obtain cellulose produced by deliberation decomposition treatment, thus improving use ratio of straw and enjoying remarkable economic and social benefits.

The invention discloses a method and a device for data storage. The method comprises the following steps of: assigning a first-level file folder for an established channel in a plurality of established first-level file folders; assigning a secondary-level file folder in a plurality of established secondary-level file folders under the first-level file folders; and establishing a file with a fixed size used for storing the data in the channel. In the invention, the form of assigning multilevel file folders for the channel realizes the data storage in the channel, which has no need to spend large amount of time for pre-establishing a file at the very start; and the form also realizes the dynamic addition and deletion, and the dynamic expansion or reduction of the capacity of the storage channel. Furthermore, by cycle overwriting of the files with fixed sizes, the invention completely avoids the generation of the file fragmentation, thus leading the storage performance of arrays or disks to have no reduction with the increasing of the service time.

The invention belongs to the technical field of daily cosmetics, and particularly relates to a Chinese herbal medicine hair conditioner and a preparation method thereof. A Chinese herbal medicine extract used for preparing the Chinese herbal medicine hair conditioner is prepared from the following raw materials in parts by mass: 1-60 parts of radix ginseng, 1-60 parts of rhizoma polygonati, 1-30 parts of radix polygoni multiflori and 1-30 parts of rhizoma zingiberis recens. Based on guidance of traditional Chinese medicine theories and modern traditional Chinese medicine research, Chinese herbal medicine composition is conducted, and the advantages of the traditional Chinese medicine are developed. The prepared Chinese herbal medicine hair conditioner depends on pure plants to develop theeffects of blackening and growing hair, preventing alopecia and relieving itching, nourishing hair roots and scalp, the preparation method is simple, the cost is low, no allergic reaction is caused after the hair conditioner is used, and the hair conditioner has no toxic and side effect, can make hair be smooth and soft, meets the requirements of people for health caring, is more easily to be adored and accepted by the public, and suitable for being used in daily life and for a long term by consumers.

The invention relates to an iron ion loaded activated carbon fiber composite cathode, a preparation method and application thereof. The composite cathode includes iron ion loaded activated carbon fiber. The iron ion loaded activated carbon fiber composite cathode is applied to treatment of humic acid-containing wastewater and triphenylmethane dyes in printing and dyeing wastewater by an Electro-Fenton technique. The method for preparation of the iron ion loaded activated carbon fiber composite cathode includes an inner layer adsorption process and a precipitation process. Iron ions are loaded on activated carbon fiber, the treatment process is simplified, production of sludge is completely eradicated, and no secondary pollution exists; the iron ions loaded on the activated carbon fiber can react with H2O2 generated by electroreduction of dissolved oxygen on the composite cathode surface, thus reinforcing reaction on the composite cathode surface and strengthening the reaction efficiency; iron ions and acidic groups on the surface of the activated carbon fiber undergo inner layer adsorption, so that the iron ions are not easy to fall off during use, and the life of the composite cathode is increased. After repeated use of the composite cathode 4 times, the decolorization rate of the target pollutant is still above 93%.

The invention discloses a 20000-ton-annual-yield production technique of trimethylolpropane by a calcium method, which is divided into condensation, filtration, evaporation, calcium separation and rectification. The production technique is characterized by comprising the following steps: by using n-butyl aldehyde and formaldehyde as raw materials and industrial calcium hydroxide as an alkaline catalyst, carrying out condensation and formic acid neutralization reaction to obtain a trimethylolpropane crude product reaction solution containing byproducts ditrimethylolpropane and calcium formate;in the filtration process, separating out solid-phase residues from the reaction solution in a horizontal spiral centrifugal filtration mode; evaporating with a climbing-film evaporator, and sending the evaporative condensate back to the condensation technique; after entering the settling tank, continuously scraping calcium formate from the bottom of the settling tank, and recycling the calcium formate with a band filter; and carrying out rectification to obtain the trimethylolpropane product, wherein rectification column uses column refluxing and climbing film heating techniques, the deflector plate in the column is controlled, and meanwhile, a gas-liquid separator is mounted on a vacuum tube of the rectification column. The invention has the advantages of simple technical process, high labor rate, low production cost, energy saving and emission reduction.

The invention discloses a system for removing sulfur and mercury out of flue gas by adding an organic catalyst to a wet spraying absorption tower. The system comprises flue gas absorption equipment, ammonia water storage and supply equipment, dust separation and catalyst recycling equipment, evaporative crystallization equipment and process water equipment, wherein the ammonia water storage and supply equipment and the dust separation and catalyst recycling equipment are respectively communicated with the flue gas absorption equipment; the dust separation and catalyst recycling equipment is connected with the evaporative crystallization equipment; and the evaporative crystallization equipment is connected with the process water equipment. The invention simultaneously discloses a method for removing sulfur and mercury by utilizing the system. The mixture of the organic catalyst and emulsion comes into countercurrent contact with flue gas in the wet spraying absorption tower and purify and absorb the flue gas and then desulfurization saline solution is sent to a three-phase separator and the evaporative crystallization equipment to produce ammonium sulfate, thus reaching the aims of multi-effect control of the flue gas, energy conservation, consumption reduction and cost reduction.

The invention discloses a method for cooperatively producing 1-naphthol and 2-naphthol from a naphthalene sulfonation product by virtue of direct alkali fusion. The method comprises the following steps: performing multiple sulfonation reactions on naphthalene and concentrated sulfuric acid, directly performing an alkali fusion reaction on the obtained liquid sulfonation product and sodium hydroxide in a molten state, and then diluting, acidifying, boiling for layering, dehydrating and drying, rectifying and separating, thereby obtaining high-purity 1-naphthol and 2-naphthol simultaneously. The steps of hydrolyzing, naphthalene blowing, neutralization, cooling and crystallization and filtration of sulfonation products, and feeding for performing alkali fusion on a water-containing filter cake at a normal temperature in the existing process are avoided; no filtration wastewater difficult to treat is not generated anymore, the energy source and the resources are saved, the yield is increased and the operating environment is improved; as a result, the problems of three-waste treatment during naphthol production are thoroughly solved from the production process.