300results about How to "Not easy to discharge" patented technology

The invention discloses a preparation method of polyol copolyester. The preparation method comprises the following steps of carrying out slurry preparation, esterifying I, esterifying II, pre-condensing I, pre-condensing II, final condensing and pelletizing on terephthalic acid and glycol. The preparation method also comprises: carrying out ester exchange reaction on 1,3-isophthalic acid-5-sodium sulfonate and another polyol; diluting with the glycol, and then performing the esterifying II. In the preparation method, 1,3-isophthalic acid-5-sodium sulfonate and another polyol react in advance, thereby increasing the reaction probability of another polyol and ensuring that another poyol can reach the required mole ratio in a finished product. The preparation method is mainly applied to production of dye modified polyester by using various dihydric alcohols at normal temperature and normal pressure. The modified polyester is dyed by mainly using anode pigment, the used dye chromatograph is more than that of common polyester, dye-uptake rate can reach above 99%, colour fastness reaches 4-5 grade of European standard, and the color is more flamboyance and beautiful. When filament yarns are subjected to spinning, full-package rate is up to 95%-100%.

The invention discloses a preparation method of a polyacrylamide emulsion. The preparation method comprises the following steps of adding acrylamide, one or more anion monomers, a grafting matrix, an aqueous stabilizer, a molecular weight conditioning agent and an initiator into water, adjusting a pH value to obtain a water phase, adding an emulsifier into a hydrocarbon solvent to obtain an oil phase, dropwisely adding the water phase into the oil phase, carrying out one-step emulsification or multistep emulsification to obtain an emulsion, carrying out displacement deoxygenation on the emulsion by inert gas, and adding the initiator into the emulsion for polymerization initiation to obtain a branched anion polyacrylamide water-in-oil anti-phase emulsion after polymerization is finished. The polyacrylamide emulsion obtained by the preparation method is used for the modern papermaking industry, avoids inorganic filler re-falling after retention, improves inorganic filler actual retention effects, avoids falling-off of dust and lint of a screen cloth, guarantees uniform and stable retention of an inorganic filler in a page, and properly reduces a bentonite use amount.

The invention discloses a micro direct methanol fuel cell membrane electrode and a preparation method thereof, and relates to a fuel cell and a preparation method thereof. The membrane electrode comprises an anode diffusion layer, an anode catalyst layer (3), a proton exchange membrane, a cathode catalyst layer (5) and a cathode diffusion layer, wherein the cathode catalyst layer (5) includes an inner layer (5a), an intermediate layer (5b) and an outer layer (5c); the outer layer (5c) is nearest to the cathode diffusion layer; and the inner layer (5a) is nearest to the proton exchange membrane. The preparation method comprises the following steps: taking carbon paper or carbon cloth as a supporting layer, then coating the diffusion layer formed by a carbon material, polytetrafluoroethylene and the like, coating a size formed by a catalyst, Nafion resin, a pore forming substance and the like for several times, and performing heat treatment and pressing to form the membrane electrode. The micro direct methanol fuel cell membrane electrode can inhibit the water permeation of the proton exchange membrane, enhance the splashing effect from the cathode to the anode, and improve the gas diffusion mass propagation speed.

The invention relates to an extra-light porous thermal insulating material and a method for preparing the same. The extra-light porous thermal insulating material is prepared from the following components by mass percent through mixing: 65-80% of cement, 5-25% of metakaolin, 5-15% of micro-silica, 3-6% of foamer, 0.5-2% of foam stabilizer, 0.2-0.6% of antimitotic agent and 0.5-2% of excitant. The method for preparing the extra-light porous thermal insulating material comprises the steps of: pretreating the cement, preparing the metakaolin, preparing the foam stabilizer, preparing the antimitotic agent, preparing the excitant and preparing the thermal insulating material. The method provided by the invention is significant in improving the thermal insulation property, fireproofing property, safety and durability of a building; and simultaneously, the provided thermal insulating material has the advantages of low dry density, low coefficient of heat conductivity and high strength.

The invention discloses a food additive for expelling toxin and nourishing skin, which is obtained by taking maize peel, wheat bran, lecithin, seabuckthorn, red dates, medlars, coix seeds, chrysanthemum, black sesame, yam, pawpaw, lucerne, mulberry, fructus cannabis, fingered citron, brush cherry seeds, diamonds, jujube kernels, radix puerariae, xylooligosaccharide and colla corii asini as raw materials according to a method of: drying and crushing the maize peel to obtain zein fiber after the maize peel is subjected to alkali treatment to remove protein and is subjected to acid treatment to remove starch; drying and crushing the wheat bran to obtain wheat fiber after the wheat bran is subjected to acid treatment to remove starch and is subjected to alkali protease treatment to decompose protein; using water to extract lycium barbarum polysaccharides and jujube date polysaccharides from the crushed medlars and the pitted red dates; using a supercritical CO2 extraction method to extract seabuckthorn oil from the seabuckthorn; crushing other raw materials; and mixing the materials, stirring the mixture, and sieving the mixture to obtain a finished product of the food additive. The food additive has the unique effect which cannot be substituted by medicaments, has a simple manufacturing method, and has large market potential.

The invention relates to the field of building construction, in particular to a construction method of outdoor water works engineering. The technical scheme comprises the steps of S1, preparation before construction; S2, measurement and line releasing, S3, excavation of water pipe trenches, S4, foundation construction on pipes, S5, installation of the water pipes, and S6, backfilling the trenches.In step S2, control lines are released in the centerline position of the pipes, excavation levels are guided to a wall side of a roadside house and marked. In step S3, firstly, the specific situationof each trench section is detected; secondly, excavation is conducted through mechanical engineering, then excavation and flattening are conducted through manual work; thirdly, inspecting and accepting are carried out. In step S4, firstly, foundation pits are drained, drainage ditches are formed in the circumference and in the middle of the foundation pits, water collecting wells are arranged onthe outer side, gravels are laid on the pit bottoms as a filtration layer, and water in the foundation ditches is pumped to the drainage ditches on the upper part; secondly, piping foundation is laidon soil foundation; thirdly, the piping foundation is tamped and the surface is flattened. In step S5, firstly, the outer pipe walls of the water pipes are cleaned; secondly, coating adhesive and coarse sand are applied to the outer pipe walls of the water pipes; thirdly, pure mortar is applied; fourthly, water stopping rings are installed.

The invention relates to airflow blow and suction vibration cleaning method and device of an engine cylinder cover. The device comprises a Venturi tube. Air outlet pipelines are arranged in the expanding section and/or shrinkage section of the Venturi tube; the air outlet pipelines are communicated with an intake pipe; and the air outlets of the air outlet pipelines face the media flowing direction of the Venturi tube. By utilizing the device, two-direction alternate blow and suction cleaning is realized on box parts, such as the engine cylinder cover and the like, the problem that aluminium skimming jam and deposit at contracted type cavity bends, caused by the unidirectional characteristic of the traditional cleaning process, is solved, the cleaning problem of the aluminium skimmings iseffectively solved, and the cleanness demand of the product is satisfied.

The invention discloses an indoor air purification and dehumidification fan heater, and belongs to the technical field of indoor air purification, disinfection and dehumidification treatment. The indoor air purification and dehumidification fan heater comprises a base disc, a fresh air outlet device, a purification and disinfection device, an electrical ionizer, a heat exchange dehumidification device, a heating device, a water receiving disc and a water storage tank. The fresh air outlet device comprises a heat dissipation air duct, a motor and a heat dissipation fan blades, the heat exchange dehumidification device is arranged above the water receiving disc, the purification and disinfection device is arranged above the heat exchange dehumidification device, and comprises three sets of combined structures of filter nets and filter net covers of the same sizes and shapes, the electrical ionizer is arranged on a mounting base plate in the purification and disinfection device, and the heat exchange dehumidification device comprises heat exchanger and a compressor. The heat exchanger comprises an evaporator and a condenser, the angle formed between the side face of the heat exchanger and the horizontal direction ranges from two degrees to ten degrees, and the heating device is arranged at the position of an air inlet of the heat dissipation air duct. The air purification and dehumidification fan heater has the advantages that the fresh air is input rapidly, the air purification effect is good, purification and disinfection and high-temperature dehumidification are carried out on indoor air at the same time, or dehumidification heating is carried out at low temperature, and various kinds of germs are removed.

The invention provides Lactobacillus reuteri LR-CO21 and application thereof and relates to the technical field of probiotics. The preservation number of the Lactobacillus reuteri LR-CO21 in the ChinaGeneral Microbiological Culture Collection Center is CCTCC No.M 2019601. The Lactobacillus reuteri LR-CO21 has good transplanting performance and adhesion in an intestinal tract and is capable of effectively inhibiting TGEV (transmissible gastroenteritis virus) infection and improving the ability and immunity of piglets in resisting virus infection and bacterial infection after transplanting. Inaddition, the invention further provides a method for applying the Lactobacillus reuteri LR-CO21 strain in improving the ability of piglets in resisting infectious diseases.

The present invention relates to konjak dietary fiber healthcare biscuits and a preparation method thereof. The konjak dietary fiber healthcare biscuits are prepared by the following raw materials including, by mass, 30-50 parts of konjak powder, 20-30 parts of compound dietary fiber, 20-30 parts of whole wheat flour, 20-30 parts of purple sweet potato powder, 20-30 parts of vegetable oil, 5-8 parts of white granulated sugar, 3-5 parts of xylitol, 8-10 parts of egges, 10-15 parts of water, and 1-2 parts of leavening agent, wherein the compound dietary fiber is composed of apple dietary fiber, pawpaw dietary fiber and bamboo shoot dietary fiber with a weight ratio of 3:1:1. The konjak dietary fiber healthcare biscuits have comprehensive nutrition and have good healthcare effects.

The invention discloses a tentering and setting machine baking oven which comprises a baking oven body, wherein two ends of the baking oven body are provided with a cloth inlet and a cloth outlet; a conveying belt is arranged by passing through the cloth inlet and the cloth outlet of the baking oven body, and a plurality of groups of hot air channels are correspondingly arranged above and below the conveying belt in the baking oven body; air blowing ports are formed in the hot air channels; and air is supplied to the inner side of the baking oven body by air blowing ports of the two groups of hot air channels positioned at the outermost end of the plurality of groups of hot air channels. The air is supplied to the inner side of the baking oven body by air blowing ports of the hot air channels at two ends of the tentering and setting machine baking oven, so that hot air forms air curtains at the cloth inlet and the cloth outlet, and hot air in the baking oven is difficult to be exhausted from the cloth inlet and the cloth outlet, therefore the heat in the baking oven hardly diffuses outside, further, the hot air utilization ratio is improved, and the heat energy can be saved by 5%.

A heat radiating module utilizing vibration mode to remove off dust on heat radiation fin is prepared as setting multiple heat radiation fin on base and setting a vibrating unit on base for using said vibrating unit to vibrate said multiple heat radiation fin in order to remove dust on those fins off.

The invention provides a dehydration device for natural gas. The dehydration device comprises a dehydration part and a drainage part, wherein the dehydration part comprises a first cylinder and a second cylinder, a wet gas inlet is formed in the side wall of the first cylinder, a gas-water guide pipe is arranged in the first cylinder in a penetrating manner, and a gas passing hole communicated with the wet gas inlet penetrates through the side wall of the gas-water guide pipe; the second cylinder is connected above the first cylinder in a sealed manner, a cylindrical water filter film is arranged in the second cylinder, an inner cavity of the water filter film is communicated with the gas-water guide pipe, and a first dry gas outlet is formed in the side wall of the second cylinder; the drainage part comprises a water-gas shunt pipe, the upper end of the water-gas shunt pipe is connected with the lower end of the gas-water guide pipe in a sealed manner, the lower end of the water-gas shunt pipe is connected with an upper valve, a water containing chamber is arranged in the water-gas shunt pipe, and an upper floating ball is arranged at the lower part of the water containing chamber and connected with the upper valve. The water filter film is used for filtering and dehydrating wet natural gas, the defect that dehydration cannot be effectively performed at the high air temperature in the prior art is overcome, and automatic dehydration and automatic drainage are realized around the clock all the year round.

The invention relates to the field of mine filling body testing devices, and provides a molding device used for preparing mine milltailings filling check blocks and a check block preparation method. The molding device comprises a box-shaped frame, an isolation baffle, a water permeable bottom plate and a forming mold. The side walls of the box-shaped frame are detachable. The side walls of the box-shaped frame are provided with isolation baffle positioning grooves, and the bottom of the box-shaped frame is provided with bottom plate insertion groove holes and bottom plate positioning grooves. The isolation baffle is detachably connected with the box-shaped frame through the isolation baffle positioning grooves, and the bottom end of the isolation baffle is attached to the upper surface of the water permeable bottom plate. The water permeable bottom plate is detachably connected with the box-shaped frame through the bottom plate insertion groove holes and the bottom plate positioning grooves. According to the molding device, the man-made interference in the pouring process of filling slurry is reduced to the maximum extent, the regularity of the check blocks are improved, the testing method is simple and easy to be standardized, the precision of filling check block strength tests is effectively improved, and the molding device is suitable for manufacturing all kinds of mine filling check blocks, especially the preparation of high-requirement and standard check blocks with coarse aggregate slurry, high-concentration slurry, different dewatering conditions and the like.

The invention discloses an ink splash and printing watermark preventing device of a gravure printing machine. A protection plate is arranged on one side of a scraper, the upper end of a strip-shaped protection plate is connected with a scraper fixing device, and an arc-shaped protection plate is arranged between a layer of ink box and a printing roller; a protection hood comprises an inner hood body and an outer hood body, the inner hood body is provided with an end surface scraping plate and an outer circle scraping plate, the inner hood body is fixed through a support, and the outer hood body is movably connected with the inner hood body. An ink baffle is added to reduce produced floating ink drops; the depth of an end surface notch of the layer of ink box is reduced and the height of the end surface is increased to change the flowing direction of ink, so that floating ink drops are drained out from the layer of ink box as quickly as possible. By continuously and innovatively improving an ink splash preventing system and an ink supply system, the problem of ink splash is fundamentally solved, the printing speed is improved from original 120m/min to 200m/min, and the operation and control are convenient and quick to realize. The problem of watermarks and ink drops on products is effectively controlled and the solution has very great popularization and reference significance in the printing industry.

The invention relates to a ditching drainage device, in particular to a high-efficiency ditching drainage device for farmland and aims at achieving the technical purpose of providing the high-efficiency ditching drainage device for the farmland, wherein during ditching, dug soil will not fill a ditched furrow again, a large amount of accumulated water will not be left in the ditched furrow, and as the bottom of the ditched furrow is smooth, the situation that the water in the furrow cannot be drained easily in rainy days is avoided. To achieve the technical purpose, the high-efficiency ditching drainage device for the farmland is provided and comprises a ditching spoon, a first connecting rod, an annular sliding block, a round sliding rail, a motor, a first belt pulley, wheels, a liquid inlet pipe, a conveying box, a vehicle plate, a first one-way valve and the like. The conveying box is arranged on the front side of the vehicle plate. The high-efficiency ditching drainage device for the farmland achieves the effects that during ditching, dug soil will not fill the ditched furrow again, a large amount of accumulated water will not be left in the ditched furrow, and as the bottom of the ditched furrow is smooth, the situation that the water in the furrow cannot be drained easily in rainy days is avoided.

The invention relates to alkali-free aluminoborosilicate glass for manufacturing a flat-panel display. The glass comprises the following chemical components in percentage by weight: 55 to 70 percent of SiO2, 7 to 13 percent of B2O3, 14 to 21 percent of Al2O3, 5 to 11 percent of CaO, 0.5 to 10 percent of SrO, 0.1 to 0.2 percent of SnO2, and 0.1 to 4.0 percent of Y2O3, wherein the glass does not contain MgO or BaO. The density of the glass is less than 2.45g/cm<3>, and the glass has the advantages of low glass smelting temperature, strain point of more than 700 DEG C, low thermal expansion coefficient, large elastic modulus, high strength, no alkali metal oxide, liquidus temperature of lower than 1,150 DEG C and the like, and is suitable for manufacturing the flat-panel display, in particular the substrate glass for displaying of a thin film transistor-liquid crystal display (TFT-LCD).

The invention discloses a bending and thermal shock resistant ceramic blank, a bending and thermal shock resistant ceramic product and a preparation method thereof, belonging to the technical field of ceramic preparation. The ceramic blank comprises kaolin, sodium lignin sulfonate, zirconium nitride, clay, niobium pentoxide, flux, magnesia-aluminum spinel, mullite, albite, alumina and lithium disilicate. The preparation method comprises the following steps: crushing blank raw material, putting the blank raw material into a ball miller, mixing, adding water and ball milling, freeze drying at -23 DEG C until moisture content is 5-8%, and then putting into a die of a press forming machine, and hot pressing for 35-40 min and then demoulding, cooling to 30-40 DEG C, obtaining a blank body, and putting that blank body into a drying oven to dry the blank body for 2-3 hours later, then putting mixture into a kiln to be burnt for 12-18 hours, and obtaining the finished product. The ceramic product made of the blank of the invention has the advantages of high mechanical strength, strong fracture resistance and thermal shock resistance.

The invention discloses a pet snack stirring apparatus, and relates to the technical field of pet breeding. The pet snack stirring apparatus comprises a stirring box, wherein two sides of the bottom of the stirring box are respectively fixedly connected with a supporting leg, two sides of the bottom of the stirring box are respectively provided with a discharging pipe which is communicated with the two supporting legs, two sides of the stirring box are respectively communicated with a feeding hopper, two sides of the top of the stirring box are respectively fixedly provided with a supporting rod, the top end of each supporting rod is fixedly connected with a drive apparatus, and the top of the stirring box is provided with a fixed box which is fixedly connected with the two supporting rods. By adopting the pet snack stirring apparatus, snacks stuck on a stirring plate can be scraped after the snacks are stirred, the snacks can be prevented from being stuck on the stirring plate and being not easy to discharge, the residual snacks can be completely extruded after the stirring is completed, the problem that the snacks are stuck inside a stirrer and not easy to discharge can be solved, the manual step for taking out the snacks from the machine can be omitted, the waste of a great amount of snacks can be avoided, and the increment of the operating cost is reduced.

The invention relates to a pyrolysis furnace and a pyrolysis system for treating dioxin in waste incineration fly ash. The pyrolysis furnace comprises a hearth, the hearth is covered with a heat insulation shell in a sealing manner, a sealed flue is formed between the hearth and the heat insulation shell, and the flue is of a spiral structure extending in the axial direction of the hearth; the heat insulation shell is provided with a hot air inlet and a hot air outlet which are both communicated with the flue and located at the two ends of the flue respectively; the heat insulation shell is provided with a feeding hole and a discharging hole which are respectively used for feeding and discharging, and the feeding hole and the discharging hole are respectively communicated with the hearth; the discharging port is provided with a discharging throat pipe which is provided with a switch valve; and the heat insulation shell is provided with an exhaust port and an inert gas inlet which are communicated with the hearth. By means of the method, the dioxin in the waste incineration fly ash can be stably reduced to 50 ngTEQ/kg or below after being treated, and the problem that fly ash chlorine salt is heated and agglomerated can be avoided.

The invention provides starch processing equipment convenient to clean, and relates to the field of starch processing. The starch processing equipment convenient to clean comprises a starch processingbarrel support, the top of a starch processing barrel is connected with a hinge, and the right side of the hinge is connected with a cover plate. The top of the cover plate is connected with a handle, and the top of the right side of the starch processing barrel is connected with a booster pump, and the right side of the booster pump is connected with a clear water pipe. The end, away from the booster pump, of the clear water pipe is connected with a clear water tank. According to the starch processing equipment convenient to clean, caked potato residues on a filtering device are removed through a high-pressure spraying head and a residue removing brush arranged in the starch processing barrel, and the problems that starch slurry and the potato residues cannot be completely separated through existing residue-slurry separating equipment, the potato residues are likely to be caked to block a screen mesh, and consequently the starch slurry cannot be discharged out of the screen mesh easily, the slurry yield is low, the starch output is low, the equipment needs to be manually cleared, and the work efficiency is low are solved.

The invention relates to a photoelectric functional crystal M3RE(PO4)3 and a preparation method thereof. The M3RE (PO4) 3 crystal is of a non-centrosymmetric structure, and belongs to a cubic system-43m point group, wherein M=Ba or Ca or Sr, RE=Y or La or Gd. The M3RE(PO4)3 crystal growth method comprises the steps of (1) polycrystal material synthesis, wherein stoichiometric MCO3, RE2O3 and a phosphorus compound are adopted, the phosphorus compound is excessive, and raw materials are sintered twice to obtain a M3RE(PO4)3 polycrystal material; (2) polycrystal material melting; (3) Czochralskicrystal growth. The prepared M3RE(PO4)3 crystal material is a high quality single crystal, not only are high optical transmittance and wide absorption edge achieved, but also no phase change exists from the room temperature to a melting point, deliquescence does not exist, and the piezoelectric activity and non-linear frequency conversion characteristics are achieved.

The invention relates to a water dispenser, and particularly aims at achieving the technical purpose of providing an adjustable water dispenser. In order to achieve the technical purpose, the adjustable water dispenser comprises a first base, a lifting device, a rotating device, a rectangular guide rod and the like; the lifting device is connected with the first base, the rotating device is connected with the lifting device, the rectangular guide rod is located at the right side of the rotating device, the lower end of the rectangular guide rod is fixedly connected with the top of the first base, a rectangular guide sleeve slidingly sleeves the rectangular guide rod, and a bearing is located at the left side of the rectangular guide sleeve and fixedly connected with the rectangular guide sleeve. The adjustable water dispenser is provided with the lifting device and the rotating device, the vertical position of the water dispenser can be conveniently adjusted through the lifting device,water remaining in the water dispenser can be conveniently discharged through the rotating device, and cleaning is conducted quickly and conveniently.