31results about How to "Not afraid of bumps" patented technology

The invention discloses a lumber drying kiln. An isolation wall is arranged between the bottom part and the top part in the drying kiln, the isolation wall divides the space in the kiln into an air heating room used for installing a drying furnace, and a lumber drying room; wherein, an upper ventilation opening is arranged at the upper part of the isolation wall, a lower ventilation opening is arranged at the lower part of the isolation wall, a fan used for blowing air to the air heating room from the lumber drying room is arranged between the air heating room and the lumber drying room; an air exhaust passage is arranged at the top part corresponding to the lumber drying room; because the fan is arranged at the position of the upper ventilation opening, the fan sucks the hot air from the lumber drying room to blow into a lumber heating room, the back flow does not happen, thereby leading the heated air circulation to be smoother, therefore the drying quality to be improved. Because the isolation wall is arranged between the air heating room and the lumber drying room, the charring of the lumber close to a combustion furnace because of over high temperature is avoided, the lumber far away the combustion furnace does not have the drying phenomenon, to lead the drying to be evener.

The invention relates to a carbon nano-tube cement-based waterproof material and a preparation method thereof. The waterproof material comprises powder portion and water portion, the water portion consists of components including, by mass, from 0.01 to 0.03 part of carbon nano-tubes, from 0.8 to 1.2 parts of water and from 0.1 to 0.3 part of dispersing agent, and the powder portion consists of components including, by mass, from 6 to 9 parts of cement, from 12 to 14 parts of fine siliceous sand, from 0.6 to 1 part of industrial waste residues, from 0.8 to 2 parts of superfine siliceous mineral additive, from 1.5 to 3.5 parts of silicon-aluminum mineral additive, from 0.1 to 0.4 part of high-efficiency water releasing additive and from 0.1 to 0.3 part of super plasticizer. A preparation process includes mixing the components of the water portion at first; then adding the components of the powder portion into the water portion; and obtaining the carbon nano-tube cement-based waterproof material by means of mixing the water portion with the powder portion. The carbon nano-tube cement-based waterproof material is fine in waterproof effect, durable in waterproofing and fine in durability, has repeated self-healing repair capacity, can strengthen a coating of the surface of a building, avoids cracks and is an environment-friendly waterproof material.

The purpose of the invention is to provide a Pudilan children's antiviral oral pellet gel and a preparation method thereof. The preparation method comprises the following steps: adopting a gel matrix, extracting Radix Scutellariae, Herba Taraxaci, Corydalis bungeana Turcz. and isatis root, preparing pellets by using extracted effective components, and uniformly dispersing the pellets in a gel. The prepared gel can be a solid gel, a semisolid gel or a xerogel. The method effectively covers the bad smell of medicines, solves the mouthfeel problem of the medicines, and allows the sweet oral pellet gel loved by children to be prepared, and the sweet and smooth mouthfeel of the oral pellet gel makes children easily take the medicine. Traditional Chinese medicines are combined with the gel dosage form to improve the children's administration long-term single dosage form, and the oral pellet gel has the efficacies of heat clearing, detoxification, antibiosis and inflammation prevention, and also has the advantages of high content of the effective component, small administrating dosage, stable preparation and good curative effect.

The invention discloses an elbow used for a second time throttling of an air conditioner, belonging to an air conditioner component provided with a capillary structure used for leading to changes of flow channel sections so as to change a heat transmission state. The second time throttling elbow of the invention adopts a round copper material bent into a U shape. A plurality of parallel capillary-shaped through holes are arranged in the U-shaped material. The length of all the through holes is equal to that of the prior capillary structure. The outer diameter of the U-shaped copper material is equal to that of a connecting tube. The second time throttling elbow of the invention is arranged on the side of an evaporator. Compared with the original capillary structure, the invention has a small-volume elbow with the same appearance as the connecting tube, a bigger weight and a simple structure, is shaped by one time, and can save space and lead to convenient manufacturing process without cold medium leakage and noise.

The invention discloses a phosphate anti-oxidation coating of a carbon/carbon composite material. The phosphate anti-oxidation coating comprises the following components in percentage by weight: 20 to60 percent of phosphoric acid or phosphorus oxide, 25 to 50 percent of aluminum and calcium stabilizers, 1 to 10 percent of rare earth metal or rare earth metal oxide and 40 to 80 percent of water. The invention further discloses a coating process for manufacturing a phosphate anti-oxidation coating. The coating process comprises the steps of preparing a phosphate mixed solution, and carrying outpretreating, brushing and high-temperature treatment. Compared with borosilicate series anti-oxidation coatings, the anti-oxidation coating has the advantages of being resistant to collision, excellent in anti-oxidation performance, simple in preparation method, wide in application range, remarkable in economic benefit, safe and environmentally friendly.

The invention relates to a low-voltage casing pipe, in particular to a non-winding non-capacitive type compound insulation casing pipe. The non-winding non-capacitive type compound insulation casing pipe sequentially comprises a metal guide rod (11) and an insulation framework (9) from inside to outside, and is characterized in that an organic compound umbrella skirt (8) is arranged on the upper portion of the outer side of the insulation framework (9), a metal flange (10) is arranged on the lower portion of the outer side of the insulation framework (9), and the lower edge of the organic compound umbrella skirt (8) partially covers the outer side of the upper edge of the metal flange (10); a lower tray (13) which extends outwards and is used for locating the insulation framework (9) is arranged at the lower end of the metal guide rod (11), and the outer diameter of the lower tray (13) and the bottom of the insulation framework (9) are fixedly connected through an insulation pin (12). The non-winding non-capacitive type compound insulation casing pipe has the advantages that the mass of the casing pipe is small, the casing pipe resists bumping, and the good pollution flashover prevention level is achieved; the high mechanical strength and mechanical impact resisting performance are achieved; an electric field at the oil end of the casing pipe is more even, and the risk of flashover of the oil end of the casing pipe is greatly lowered.

The invention relates to a packaging adhesive for perovskite and an application method. The packaging adhesive is composed of a polymer plastic and a non-polar solvent; 0.1-0.5g polymer plastic is added into 1ml non-polar solvent; the polymer plastic is polyethylene, polypropylene, polyvinyl chloride, polystyrene or acrylonitrile-butadiene-styrene polymer; the non-polar solvent comprises one or more of cyclohexane, hexane and kerosene. In the novel polymer packaging adhesive composed of the polymer plastic and the non-polar solvent, the polymer plastic is used as a packaging layer, so that theperovskite device can be effectively protected. The packaging adhesive and the application method have the advantages of low packaging cost, simple process flow, packaging under room temperature, andthe like. The perovskite device packaged according to the invention can be prevented from being damaged by high temperature, acid, alkali, aqueous solution, and the like, and the stability of photoelectric property of the device can be promoted.

The invention discloses a method of carrying out ultraviolet light curing on a heat transfer film of a wood-plastic paint-free door. The method is characterized by comprising the following steps: (1) before transfer print, a wood-plastic door is subjected to sanding and dust removal, and after the transfer print is completed, whether a film and a panel are firm and whether the transfer print effect meets the requirement are checked; (2) after the transfer print is qualified, dust-free painting is carried out; (3) the painted wood-plastic panel is subjected to warming and levelling through infrared rays; and (4) a product with a good leveling effect is subjected to ultraviolet light curing. The UV (ultraviolet) light curing is carried out on the wood-plastic paint-free door, so that the cured wood-plastic door has high hardness and good glossiness, and cannot deform and discolor, the grade of the product is improved, the third dimension and colour of a cured PET film are highlighted, and the method has the characteristics that procedures are reduced, and the labour is saved.

The invention discloses a coating for a silicon determination sensor auxiliary electrode and a preparation method thereof. The coating for the silicon determination sensor auxiliary electrode contains, by weight, ethyl alcohol 32-40%, triethanolamine 0.5-1%, butyl benzyl phthalate 0.5-1%, water glass 4-8%, polyvinyl butyral 0.5-1%, silicon dioxide powder 32-38% and calcium fluoride powder 20-28%. The ethyl alcohol and the triethanolamine are firstly mixed in a ball grinding mill according to the components and contents for 15-30 minutes, the silicon dioxide powder and the calcium fluoride powder are added to perform ball grinding for 8-16 hours, then the water glass is added to perform ball grinding for 4-8 hours, and finally the polyvinyl butyral and the butyl benzyl phthalate are added to perform ball grinding for 8-16 hours so as to obtain the coating for the silicon determination sensor auxiliary electrode. The preparation method is simple, and the prepared coating for the silicon determination sensor auxiliary electrode has the advantages of being high in strength, excellent in high-temperature adhesion performance and good in using effect.

The invention relates to a cooling grid for a cold storage. The cooling grid comprises a cold conduction pipe, four to twenty rows of cold conduction fins and two rows of fixed fins, and the cold conduction fins and the fixed fins are parallel to the cold conduction pipe in the axial direction, and frost forming feet of Y-shaped structures or T-shaped structures are arranged on the outer ends of the cold conduction fins. Electric fuse grooves are formed between the fixed fins and the cold conduction fins and are parallel to the cold conduction fins. The cooling grid is made of aluminum ally, galvanized tubes or copper tubes. The multiple rows of cold conduction fins are arranged on the cold conduction pipe, cold diffusion area is increased, temperature can be lowered to -40 DEG C, cooling effect and a defrosting function are improved, electric power is saved, and the cooling grid is not vulnerable to collision and optimizes appearance and durability.

A normalizing furnace cooling bracket conveying chain adopts the scheme that a conveying chain is horizontally arranged inside a furnace body; one end of the conveying chain extends out of a feeding opening, and the other end of the conveying chain extends out of a discharging opening; the conveying chain comprises a plurality of center-penetrating shafts arranged in parallel, chain plates hinged to the center-penetrating shafts, separation sleeves arranged on the center-penetrating shafts in a sleeving manner, and shaft sleeves arranged at the two ends of the center-penetrating shafts and movably connected with the center-penetrating shafts; the chain plates are round rectangular plate; symmetric through holes are formed in the two ends of each chain plate; one through hole in one end of one chain plate sleeves one center-penetrating shaft, and the other through hole in the other end of the chain plate sleeves an adjacent center-penetrating shaft; every two adjacent chain plates are separated from each other by each separation sleeve; the chain plates on every two adjacent center-penetrating shafts are arranged in a staggered manner. The normalizing furnace cooling bracket conveying chain is high in conveying efficiency, excellent in heat dissipation performance, and long in service life.

The invention provides an acrylic special-shaped panel which is prepared from the following raw materials in percentage by weight: 93-99.9% of a material A, 0.1-5% of a material B and 0-2% of a material C, and the sum of the weight percentages of the raw materials is 100%, wherein the material A is prepared from the following components in percentage by weight: 0-60% of MMA, 5-30% of PMMA, 1-60% of acrylates of which the normal pressure boiling point is greater than 115 DEG C, 25-70% of filler, 0-5% of color paste, 0.1-2% of curing accelerator and 0.1-3% of assistant. The invention further provides a manufacturing method of the acrylic special-shaped panel. The acrylic special-shaped panel can be constructed on site and is integrally poured and has higher strength without color differenceand glue lines.