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.

The invention provides an efficient full-automatic oil-water separation system which comprises an oil overflow pool, wherein an overflow weir is arranged on one side of the oil overflow pool; a stainless steel slag removal screen is mounted in the overflow weir; a water inlet electromagnetic valve is mounted on a pipeline for connecting the overflow weir and a separation box; a stainless steel filter screen is mounted in the separation box; a buffer plate is arranged above the stainless steel filter screen; a first sensor and a second sensor are mounted in the separation box; the neck part ofthe separation box is connected with an oil storage cup through a pipeline; a water drainage electromagnetic valve is arranged on a pipeline for connecting the separation box and a water storage box;and an automatic water drainage device is mounted in the water storage box. The efficient full-automatic oil-water separation system has the advantages that the separation effect and the separation accuracy can be improved, the use amount of liquid detergent can be reduced and separated wastewater can be reutilized; and besides, the efficient full-automatic oil-water separation system can be controlled intelligently and automatically and butted with the internet of things, so that the labor intensity of workers is reduced.

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 provides a rapid estimation method for determining the synthesis proportion and the chelation rate of a microelement chelate through combination of a spectrophotometric method and an XRD (X-ray diffraction) technology. The method provided by the invention is suitable for determining an appropriate material ratio when a complex is synthesized by compound amino acid / small peptides and transition metal ions; meanwhile, the content of microelement inorganic salt in any organic microelement chelate product can be detected rapidly and accurately, so that the chelation rate of the product can be further estimated. The method is rapid in implementation, strong in applicability and simple in operation, and has the practical value for a single amino acid microelement chelate product and a compound amino acid / small-peptide microelement chelate product, therefore, the method has significance for promoting the development of a feed microelement additive industry and the publishing of relevant industrial standards.

The invention discloses antiskid glass which comprises flat glass. An antiskid layer is formed on the surface of the flat glass in a sintering way, and is made of the following raw materials by weight percent: 50 percent to 80 percent of base glaze, 15 percent to 40 percent of sands, 0.15 permillage to 5 percent of active agent and 0.1 permillage to 6 percent of accelerator. In the technical scheme, the raw materials are reformed, the active agent and the accelerator with certain amount are added, and the materials, the active agent and the accelerator are uniformly mixed to be arranged on the flat glass by silk screen so as to form a firm and durable antiskid layer through tempering high-temperature sintering. The antiskid layer is completely combined with the glass, therefore, the antiskid glass is durable and difficult to fall off, has long service lift and no pollutant radiation, and cannot generate any hurt to a human, and is green and healthy. Compared with the prior antiskid glass, the invention has more excellent performance, better wear resistance and longer service life, efficiently puts an end to existence of sand holes and micropores, and improves the quality of a product.

The invention discloses a preparation method of a bonding-free polyurethane lining mold. The preparation method comprises the steps of preparing polyurethane lining mold raw materials, namely, a component A and a component B; preparing a special cleaning agent; horizontally adjusting the surface of a steel mold table; rapidly removing rust on the surface of the steel mold table by using an environment-friendly rust remover; attaching a flow limiting frame edge with a certain height and width to the peripheral edge of the steel mold table; quickly and uniformly flattening the poured raw materials; and controlling the post-curing environment of the material. The bonding strength effect between the 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.

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 invention discloses a chicken house disinfection treatment method for scale breeding of native chicks. The method comprises the steps of cleaning and ventilating, disinfecting adopting disinfectant fluid, dry disinfecting adopting lime powder, treatment for rice hull, and the like. The method has the advantages that disinfecting is carried out in advance, so that for the growing environment of the chicks within one month old, a good environment in which the chicks grow but viruses can not breed is created; spraying and ventilating are carried out in advance, then lime powder is adopted for drying the ground and removing pathogenic bacteria, and dry sand and lime powder remove water residue and bacteria breeding on the ground, so that the existence of pathogenic bacteria is eliminated fundamentally, the healthy growth of the chicks is benefited, meanwhile, the use of disinfectant fluid is reduced, so that the chicks after growing up have no liquid medicine residue, and moreover, large chicks and small chicks can be bred in the same scale for 2-3 times circularly in the same environment.

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 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 discloses a method for preparing a crystalline-silicon heterojunction solar cell. The method comprises the following steps of (1) cleaning and carrying out corrosive texturing; (2) implanting Si ions and B ions to the front face of a silicon wafer, forming an intrinsic amorphous silicon film on the front face, implanting Si ions and B ions to the back face of the silicon wafer, and forming an intrinsic amorphous silicon film on the back face; (3) re-etching the intrinsic amorphous silicon films on the front and back faces of the silicon wafer; (4) depositing a p-type doped amorphous silicon film layer on the front face of the silicon wafer; (5) depositing an n-type heavily-doped amorphous silicon film layer on the back face of the silicon wafer; (6) arranging transparent conductive film layers on the front and back faces of the silicon wafer; and (7) carrying out silk-screen printing, and sintering so as to prepare metallic electrodes on the surfaces of the silicon wafer. The method has the advantages that the high-quality crystalline-silicon heterojunction solar cell is obtained, high-quality amorphous silicon film layers and an integrated crystalline-silicon and amorphous-silicon heterojunction superimposed interface with minimal defects are formed, the passivation effect is improved, and the leakage current is lowered effectively.

The invention relates to the technical field of high-sulfur slag recovery treatment, in particular to a comprehensive recycling method for valuable components of zinc smelting high-sulfur slag, which comprises the following steps: putting the zinc smelting high-sulfur slag into a crusher for crushing, and screening the crushed high-sulfur slag to obtain the high-sulfur slag with the particle size of 5-30mm, the high-sulfur slag with the particle size exceeding 30 mm is smashed again; according to the method, secondary flotation is conducted on the high-sulfur slag in the mode that rough flotation is conducted and then fine flotation is conducted, the coarse ore and the concentrate are separated out, the sulfur concentrate and the tailings are effectively separated, the sulfur concentrate recycling efficiency is improved, toxic and harmful elements such as arsenic, cadmium and mercury can be effectively recycled, metal pollutants in sewage are completely eradicated, and environmental pollution is avoided. According to the method, the toxic elements are completely treated, the pollution to the surrounding environment is reduced, and the problems that the toxic elements are not completely treated and the recovery rate of sulfur concentrate and elemental sulfur is low when the zinc smelting high-sulfur slag is treated by adopting a flotation-hot filtration method at present are solved.

The invention discloses a device and method for measuring the content of magnetic foreign matters in aluminum oxide. The device comprises powder slurrying equipment, a magnetic substance adsorption device, a pure water storage tank and a washing water recovery storage tank. The powder slurrying equipment comprises a conical barrel and a stirring device and is used for stirring and homogenizing a taken sample. The magnetic substance adsorption equipment comprises a cylinder, a magnetic rod is arranged in the cylinder, and a heat shrink tube is arranged on the surface of the magnetic rod and used for adsorbing magnetic substances. And the pure water storage tank and the washing water recovery storage tank are used for cleaning the heat shrink tube on the surface of the magnetic rod. According to the invention, the designs that the pulpified aluminum oxide slurry is fed from low to high in the magnetic substance adsorption device and the distance between the outer wall of the magnetic rodand the inner wall of the barrel is designed are adopted, so that the sufficient contact between the slurry and the magnetic rod is promoted, the existence of adsorption blind areas is avoided, and the adsorption effect of the magnetic rod is improved. A large number of samples can be measured at a time, the sampling amount is large, and the accuracy of the measurement result is improved.

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 belongs to the technical field of environmental engineering, in particular to a sludge dehydrating and drying process method and a device. The technical essential points of the invention are that: firstly, adding one or several of fly ash, fine manganese slag, calcined lime, ferric chloride solution and aluminum sulfate solution into sludge and dehydrating and conditioning the sludge; secondly, feeding the sludge into a pre-drying area and simultaneously adding a certain amount of calcined lime, potassium permanganate and finished product of dry sludge and uniformly mixing; feeding the sludge treated in the pre-drying area into a hollow paddle spiral indirect dryer; returning one part of finished product of dry sludge to the pre-drying area and carrying out drier back-mixingwith wet sludge; supplying saturated heated steam to a drier by an electric boiler; and introducing steam tail gas from the drier to the pre-drying area for heating the wet sludge. The device is automatically controlled by a control center through a control bus. The process has the advantages of energy saving, environmental protection and high efficiency.

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 discloses an industrial park environmental protection service platform based on big data, including an enterprise server cluster, an industrial park server cluster, and a data server cluster; the enterprise server cluster collects enterprise data, the industrial park server cluster collects all industrial park data, and the data server cluster Processing and interacting with users can monitor the data of the industrial park and various enterprises in real time, eliminate the existence of companies that do not deserve their names, and provide a guarantee for the healthy development of the industrial park.

The invention discloses an industrial park environmental protection service platform based on big data. The platform comprises an enterprise server cluster, an industrial park server cluster and a data server cluster. The enterprise server cluster collects the enterprise data. The industrial park server cluster collects all the industrial park data. The data server cluster processes the data and interacts with the users. The data of the industrial park and all the enterprises can be monitored in real time, the enterprises that do not live up to their names can be eliminated and the healthy development of the industrial park can be guaranteed.

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 an anti-cold bridge node for a window of a steel structure industrial plant. The anti-cold bridge node comprises a first window profiled steel sheet, a second window profiled steel sheet, a purline, an extruded sheet and an adhesive tape, wherein the flat end of the first window profiled steel sheet is connected with the flat end of the second window profiled steel sheet, and then is fixedly connected with a square slot purline; bent ends of the first window profiled steel sheet and the second window profiled steel sheet are fixedly connected with a color steel plate by virtue of locking caps; the adhesive tape is arranged in the square slot purline; and the extruded sheet is arranged outside the adhesive tape. By improving the anti-cold bridge node, a cold bridge is avoided, and good heat insulation, moisture resistance and fire resistance are achieved.

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 present invention is to provide a sports equipment cleaning device. A cleaning device for sports equipment, comprising a workbench, a cycle flip feeding mechanism, a cleaning positioning mechanism, a positioning rotation mechanism, a gap edge cleaning mechanism, a display controller, a basketball and an automatic lifting baffle; Mechanisms are connected; the middle front inside the workbench is connected with the cleaning positioning mechanism; the front middle inside the workbench is connected with the positioning and rotating mechanism. The invention realizes the automatic adjustment of the position of the basketball, and can adjust the basketball according to the texture of the basketball. It can simultaneously clean the elliptical gap, the straight gap and the angled sideline of the basketball, and can automatically clean the basketball in batches, preventing the existence of germs in the gap. , the possibility of infecting players.

The invention relates to the technical field of nanomaterial grinding, in particular to a nonporous nanomaterial grinding method, comprising the following steps: preparing dry nanomaterials; putting the dry nanomaterials into a grinding tank for grinding, and grinding the grinding tank during the grinding process. Carry out vacuuming; during the vacuum grinding process, put the grinding fluid into the grinding tank to mix and grind; grind the nanomaterials in the grinding tank with ceramic grinding rollers, the temperature during the grinding process is controlled at 30-90 °C, and the grinding time is 0.3-5 Hours, the grinding roller rotating speed is 500~3000RPM; The present invention realizes the grinding of non-porous material, adds grinding liquid in grinding process and carries out mixed grinding, promptly adopts wet grinding, and nano material is liquid nano material after grinding, this process The method has a good grinding effect on the material, a good forming effect on the material, and a high grinding precision.

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.