37results about How to "Put an end to existence" patented technology

The invention relates to a preparation method of alkyd resin. The preparation method comprises the following specific steps: (1) adding neopentyl glycol, trihydroxymethyl propane, phthalic anhydride, hydrogenated phthalic anhydride and antioxidant to a reaction container, and heating to carry out melt esterification on the materials at the temperature of 200-240 DEG C; (2) when esterification is carried out to an acid value being 40-45 mgKOH/g, cooling to 120-160 DEG C, and adding short-chain synthetic fatty acid and an aliphatic hydrocarbon solvent; (3) heating to carry out reflux esterification at the temperature of 180-200 DEG C, and diluting with acetic acid ester organic solvent when the acid value is smaller than or equal to 8 mgKOH/g; and (4) cooling to 100 DEG C and filtering to obtain alkyd resin. The paint prepared from the alkyd resin obtained in the invention and nitrocellulose has the characteristics of rapid drying, high hardness, good fullness, good adhesion force, and good water resistance.

An alkynol preparing method is disclosed. The method includes: (1) feeding acetylene into a metal agent to perform a metal exchanging reaction, after the reaction is finished, controlling the pressure of the acetylene to be 0.3-1.5 MPa, performing a unilateral reaction, and obtaining a unilateral acetylide through online infrared monitoring; and (2) maintaining the pressure of the acetylene to be 0.3-1.5 MPa, adding a carbonyl compound into the unilateral acetylide obtained in the step (1), performing an addition reaction, and after the addition reaction is finished, hydrolyzing to obtain the alkynol. In the preparing method, the pressure of the acetylene is maintained in a proper range, so that the ratio of the unilateral acetylide in the unilateral reaction is controlled, and the yield of the finally obtained alkynol is further increased.

The invention provides a resin insulation dry type transformer with a three-dimensional reel iron core. The dry type transformer comprises a transformer body, the transformer body comprises a three-dimensional reel iron core, the three-dimensional reel iron core comprises single frames of a rounded rectangle structure, the three single frames are arrayed and spliced into a three-dimensional equilateral triangle body, the splicing portion of every two adjacent single frames is wound and connected through a coil to form three windings, and each winding is cured and formed by integrally pouring a curing agent; the upper end and the lower end of the three-dimensional reel iron core are clamped by an upper clamping part and a lower clamping part respectively, the three-dimensional reel iron core is fixed to a transformer base, an upper blowing cooling fan is arranged in the lower clamping part, the upper surface of the lower clamping part is hollow, and an air port of the upper blowing cooling fan faces upward and blows air in the axis direction of the windings. According to the resin insulation dry type transformer with the three-dimensional reel iron core, the upper blowing fan is located below the windings and blows air from the underneath of the windings in the axis direction of the windings to cool the windings in a forced mode, so that heat dissipation of the transformer is uniform, the phenomenon of nest wind is prevented, and the service life of the transformer is prolonged.

The invention discloses an ultra-thick copper printed board and a solder resisting processing method. With the solder resisting processing method adopted, solder resisting processing difficulties of an ultra-thick copper printed board can be eliminated. The method includes the following steps that: an ultra-thick copper printed board is provided, and an ultra-thick copper circuit layer is formed at least one side of the ultra-thick copper printed board, and the thickness of the ultra-thick copper circuit layer is not smaller than 10OZ; frameless prepregs are pressed onto the ultra-thick copper circuit layer, and the frameless prepregs are used to fill line gaps; and solder resisting processing is performed on the line gap-filled ultra-thick copper circuit layer. The invention also provides a corresponding ultra-thick copper printed board.

The invention relates to an adhering method. The adhering method includes the steps of S1, adhering an optical adhesive to the lower surface of a polarizer, controlling the adhering environment to bein a dust-free state at the same time, and controlling environment temperature to be 18-26 DEG C; S2, controlling a rubber roller to press down at the pressure of 0.1-0.2MPa; S3, allowing an injectorarranged at the pressing-down position of the rubber roller to synchronously move along with the rubber roller; S4, allowing the rubber roller to move horizontally to adhere the polarizer with the optical adhesive to the glass substrate of a liquid crystal box; during the horizontal movement of the rubber roller, using the injector to inject an adhesive aid to two sides of the polarizer and the glass substrate, wherein the adhesive aid infiltrates into bubbles between the polarizer and the glass substrate; S5, irradiating with an ultraviolet lamp to solidify the optical adhesive and adhesive aid between the polarizer and the glass substrate. By the adhering method, the probability of bubble generation during adhering is lowered, and adhering quality is increased.

The invention discloses a cultivated land soil. The cultivated land soil is prepared from, by weight, 30-50 parts of sand, 50-70 parts of soil, 20-30 parts of organic matter and 5-8 parts of fertilizer, wherein the soil can be selected from one or two of yellow soil and red soil, the fertilizer comprises one or a compound of nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, boron, manganese, zinc, copper, selenium, molybdenum and chlorine, and the soil further comprises beneficial bacteria and a PH regulator. According to the cultivated land soil, all the substances except the beneficial bacteria are mixed to be uniform, high-temperature water vapor is adopted for sealed pressurizing, the temperature of the soil reaches 150 DEG C to 200 DEG C, disinfection and sterilization are conducted, and the beneficial bacteria are added. The cultivated land soil is synthesized through an artificial method, and soil texture which is most suitable for plant growth is synthesized according to growth requirements of different crops; various germs, worm eggs and weed seeds in the cultivated land soil are eliminated, and a foundation is laid for planting organic crops later; existence of heavy metal, pesticide and chemical fertilizer in cultivated land is completely eradicated, and various planted foods are very safe.

The application proposes a method and device for detecting a tricky scale. According to the method and device, a long-term effective monitoring and tracking mechanism is established by using the RFID technology to monitor links such as the production, sale, verification and repair of an electronic scale, and an extractor which can extract chip codes is designed according to secrets of common tricky scales in the market. The extractor extracts codes from a chip of the electronic scale, and transmits the codes to a host through a serial port. A main program in the host is in charge of comparing received characteristic codes with standard codes. If the received characteristic codes are identical to the standard codes, the chip is not changed; otherwise the chip program is illegally changed.

The invention discloses an immersed nozzle of H-shaped leakproof steel and belongs to the technical field of steel continuous casting. The immersed nozzle of the H-shaped leakproof steel comprises a nozzle main body, upward blocking dams, upward inclined steel outlets, downward blocking dams and downward inclined steel outlets, the upper part of the nozzle main body is of a bowl opening structure,the lower part of the nozzle main body is of a hollow cylindrical structure with a smooth inner cavity, and the bottom end of the nozzle main body is of a closed structure; the upper part of the bowlopening structure is in a large-aperture hollow cylindrical shape, and the lower end of the bowl opening structure is of a conical structure; the middle lower part of the hollow cylindrical structureof the nozzle main body is symmetrically provided with the pair of upward inclined steel outlets, the lower parts of the upward inclined steel outlets are symmetrically provided with the pair of upward blocking dams, the lower parts of the upward blocking dams are symmetrically provided with the pair of downward blocking dams, and the lower parts of the downward blocking dams are symmetrically provided with the pair of downward inclined steel outlets. Direct flushing of molten steel on a solidified shell can be reduced, occurrence of steel leakage is avoided, the production efficiency is improved, and the production cost is reduced.

The invention relates to the technical field of building curtain walls, in particular to a house outer wall heat-insulating material pouring and decorating integrated construction system. The house outer wall heat-insulating material pouring and decorating integrated construction system comprises fixing assemblies fixedly connected to a wall to be subjected to decorating and heat insulating treatment, an edge closing groove is formed in each fixing assembly, and decorating plates are clamped into the edge closing grooves of the adjacent fixing assemblies. A cavity defined by the decorating plates arranged on the outer side of a house in an enclosing mode and the wall is filled with a heat-insulating material. According to the house outer wall heat-insulating material pouring and decoratingintegrated construction system, fasteners are fixed outside the wall surface, then the decorating plates are spliced and mounted between the fasteners, the cavity between the decorating plates and the wall is filled with the heat-insulating material in a poured mode, and thus cold-hot bridge existence is avoided; and the space between the decorating plates and the wall is densely filled with theheat-insulating material, so that gaps between a heat-insulating layer and the decorating plates as well as the heat-insulating layer and the wall are effectively eliminated, and the excellent heat-insulating effect is ensured accordingly.

The invention relates to the technical field of nano material grinding, in particular to an imperforate nano material grinding method. The imperforate nano material grinding method comprises the following steps that a dry nano material is prepared; the dry nano material is put into a grinding tank for grinding, and the grinding tank is vacuumized in the grinding process; in the vacuum grinding process, grinding fluid is put into the grinding tank for mixed gringing; and the nano material is grinded by a ceramic grinding roller in the grinding tank, in the grinding process, the temperature is controlled at 30-90 DEG C, the grinding time is 0.3-5 hours, and the rotation speed of the grinding roller is 500-3000 RMP. According to the imperforate nano material grinding method, the grinding of the imperforate material is achieved, the grinding fluid is added for mixed grinding in the grinding process, that is, the wet grinding is adopted, after grinding, the nano material is liquid nano material, and the process method has good grinding effect on materials, good material forming effect and high grinding precision.

The invention discloses a pretreatment method for circulating water. According to the invention, a set of a circulating water treatment system is added based on a conventional process, by monitoring on line the content of all kinds of microorganisms and micro ions in a circulating water pool, a proper amount of a water treatment agent is added at a right time, the microorganisms are prevented from existing in the circulating water, the micro ions are transformed to other filterable materials with large particle sizes, and the pretreated circulating water passes through a filtration system and conveyed to every user. Practice proves that after the circulating water passes through the water treatment system, scaling conditions in all kinds of heat-exchange equipments are remarkably improved, and the maintenance frequency of a production device which adopts the pretreatment method is less than that of a device in a conventional process, and the production process of the production device is more safe, high-efficiency and stable than that of the device in the conventional process.

The invention relates to the field of sports equipment maintenance, in particular to a sports equipment cleaning device. The technical problem to be solved by the invention is to provide the sports equipment cleaning device. The sports equipment cleaning device comprises a workbench, a circulating overturning feeding mechanism, a cleaning positioning mechanism, a positioning rotating mechanism, agap side line cleaning mechanism, a display controller, a basketball and an automatic lifting baffle. The middle part in the workbench is connected with the circulating overturning feeding mechanism;the middle front part in the workbench is connected with the cleaning and positioning mechanism; and the front middle part in the workbench is connected with the positioning rotating mechanism. According to the basketball cleaning device, the position of a basketball can be automatically adjusted, the basketball can be adjusted according to lines of the basketball, oval gaps, linear gaps and included angle side lines of the basketball can be cleaned at the same time, the basketball can be automatically cleaned in batches, and the possibility that germs exist in the gaps and infect players is eradicated.

The invention provides a multi-branch-tank type wine selling tank which is a novel tank which keeps the pace with the times and corresponds with the policy on supply-side structural reform by reducing the capacity, reducing excess urban real estate inventory, deleveraging, lowering the cost and improving weak links by the Central Committee of the Communist Party of China. Harmful gas generated by fired coal for bottle manufacturing can be reduced substantially; the freight of box wine is reduced by 8 times compared with that of the multi-branch-tank type wine selling tank; fake wine is precluded basically; and brand-name and high-quality wine can reach a dining table after leaving a factory simply through one deal. The multi-branch-tank type wine selling tank can be a regular or irregular columnar tank body; horizontal and vertical partition plates, material inlet and outlet pipelines, liquid level display tube bodies, and upper ports inside and outside the tank body can be mounted in a regular horizontal and vertical manner or in an irregular freely-diversified manner; a critical point voice prompt device, a buzzer alarm and a three-color indicator light device which can display liquid level stock can be mounted; and the multi-branch-tank type wine selling tank is unlocked by one or a combination of traditional conventional fingerprint and face and iris identification, a smart phone, and bracelet unlocking. The multi-branch-tank type wine selling tank revitalizes an enterprise, brings great benefits to China, is beneficial to common people, and deserves promotion and application vigorously.

The invention discloses a processing system for barreled water. The system comprises a raw water tank, a multi-medium filter, a first-stage activated carbon filter, a first-stage precision filter, a second-stage activated carbon filter, a second-stage precision filter, a first-stage reverse osmosis filter, a first-stage water tank, a third-stage precision filter, a second-stage reverse osmosis filter, a second-stage water tank, an ozone sterilizer, a titanium filter and a sterile automatic filling device which are arranged in sequence, and pipelines used for connecting all the devices; whereinconcentrated water of the second-stage reverse osmosis filter is conveyed to the second-stage activated carbon filter through a pipeline to be recycled. The barreled water processing system providedby the invention has the advantages of thorough sterilization on raw water, in-place filtration and good quality of finished water.

The invention discloses environment-friendly self-cleaning waterborne polyurethane and a preparation method thereof. The preparation method comprises the following steps: preparing a component A and acomponent B of polyurethane lining mold raw materials; preparing a special cleaning agent; horizontally adjusting the surface of a steel die table; using an environment-friendly rust remover for rapidly removing rust on the surface of the steel die table; pasting a flow limiting frame edge with a certain height and width to the peripheral edge of the steel die table; quickly and uniformly flattening poured raw materials; and controlling the post-curing environment of the materials. The bonding strength effect between a prepared polyurethane lining mold and the steel mold table is excellent, the problems that a currently prepared polyurethane lining mold is poor in bonding effect on a rugged steel mold table, and debonding, bulging, tearing, deformation and the like occur in the using process are solved, the service life of the polyurethane lining mold is greatly prolonged, and the polyurethane lining mold can be repeatedly used for 100 times or above.