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128results about How to "Play a role in anti-corrosion" patented technology

Rigid connection joint for spatial oblique insertion of H-shaped steel structure component and round steel pipe column

The invention relates to a rigid connection joint for spatial oblique insertion of an H-shaped steel structure component and a round steel pipe column. The connection joint comprises the round steel pipe column, H-shaped steel beams, two outer connection ring plates, adaptation steel pipes and seal head steel plates. The round steel pipe column forms spatial oblique insertion with the H-shaped steel beams, the round steel pipe column is sleeved with the outer connection ring plates and is welded to the outer connection ring plates, upper flanges and lower flanges of the H-shaped steel beams are welded to the two outer connection ring plates respectively, the adaption steel pipes are welded to the round steel pipe column, H-shaped steel beam webs are inserted into grooves formed in the vertical direction and welded at the positions where the grooves are formed, and the seal head steel plates are located at the ends of the adaption steel pipes and welded to the adaption steel pipes and the upper flanges, the lower flanges and the webs of the H-shaped steel beams. The rigid connection joint has the advantages of achieving the rigid connection of the H-shaped steel beams and the round steel pipe column which are obliquely interested and being simple in construction form and reliable in force transmission.
Owner:TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD

Antibacterial spray and preparation method thereof

ActiveCN103191356AMaintain a normal acidic environmentPlay the effect of warming, conditioning and maintenanceAntibacterial agentsAntimycoticsBULK ACTIVE INGREDIENTToxicology
The invention discloses antibacterial spray and a preparation method thereof. The antibacterial spray comprises traditional Chinese medicine ingredients such as fructus cnidii, kuh-seng, golden cypress and radix stemonae, and can effectively adjust the pH value of the vagina, maintain the normal acidic environment of the vagina and achieve the effects of warming, recuperating and health care. The preparation method comprises the following steps: performing aqueous extraction for three times; and performing alcohol extraction, so that active ingredients are extracted completely. The prepared antibacterial spray has not only the effects of the traditional Chinese medicine ingredients but also the characteristic of easy absorption; a user does not need to wash again after spraying the spray; the using method is simple; the toxicity is low; all the test indexes accord with the relevant regulations of 'Standardization of Sterilization Techniques'; the microbial pollution detection of the antibacterial spray accords with the relevant regulations of GB-15979-2002; and the antibacterial rate of staphylococcus aureus after 2 minutes reaches 100 percent and the antibacterial rate of Candida albicans after 2 minutes reaches over 99.5 percent. The antibacterial spray is applied to treatment on infectious diseases of a reproductive system.
Owner:刘超

Reinforced saline soil with wheat straw and solidifying method thereof

The invention relates to reinforced saline soil with wheat straw and a solidifying method thereof. The invention belongs to the technical field of treatment of soft soil foundations. The reinforced saline soil with the wheat straw is characterized in that the fiber reinforcement material, namely the wheat straw, is admixed in the saline soil, lime is simultaneously admixed, the quality reinforcement rate of the wheat straw is 0.15-0.45% and the content of the lime by weight is 5-10%. The construction steps of the solidifying method of the reinforced saline soil with the wheat straw are as follows: (1) performing anti-corrosion treatment on the wheat straw: performing air-drying and cutting-off on the reaped wheat straw, gumming the wheat straw for 1-3 days and performing the air-drying on the wheat straw after the gumming; and (2) reinforcing and solidifying the saline soil: uniformly stirring the gummed wheat straw with the quality reinforcement rate of 0.15-0.45%, the lime in the content by weight of 5-10% and the saline soil and performing solidification construction. The reinforced saline soil with the wheat straw has the advantages of economy, environmental friendliness, no toxicity, no pollution, low price, simple construction, good solidifying effect, capability of being widely applied in saline soil solidifying engineering and the like.
Owner:TIANJIN URBAN CONSTR COLLEGE

Electrolytic machining tool of variable cross-section bent half tube

The invention discloses an electrolytic machining tool of a variable cross-section bent half tube. The electrolytic machining tool comprises a workpiece clamp and a tool clamp. In the tool clamp, a workpiece (4) is supported by a large-end template (3) and a small-end template (7), and the correct position of the workpiece (4) is determined by a locating block (19); the workpiece (4) is compressed on the supporting face of a large-end stand column (15) and the supporting face of a small-end stand column (8) through a large-end pressing block (14) and a small-end pressing block (5); the large-end stand column and the small-end stand column are arranged between an upper fan disc (6) and a lower fan disc (11), and rotating among the large-end stand column, the small-end stand column and a base (9) is achieved through a mandril (12); and the base (9) serves as a clamp body of the workpiece clamp and is connected with a machine tool table. In the tool clamp, a tool cathode (2) is arranged on a connecting plate (1) through a locating mandril (16) and a key (17), and the connecting plate (1) is connected to the machine tool table. The electrolytic machining tool of the variable cross-section bent half tube is convenient to operate, high in production efficiency and high in corrosion resistance.
Owner:HEFEI UNIV OF TECH

Graphene activated waterborne epoxy zinc-rich anticorrosive paint and preparation method thereof

PendingCN114854281ANo pollution in the processImproved corrosion performance protectionAnti-corrosive paintsEpoxy resin coatingsEpoxyGraphite
The invention relates to a graphene-activated water-based epoxy zinc-rich anticorrosive coating, in particular to a graphene-activated water-based epoxy zinc-rich anticorrosive coating and a preparation method thereof. Nanoscale graphene is added, the electron mobility of graphene at a normal temperature exceeds 15000 cm < 2 > / V.s, the resistivity is only 10 <-6 > omega.cm, and the graphene has the advantages that the graphene can be used for preparing the graphene-activated water-based epoxy zinc-rich anticorrosive coating; carriers in the graphene follow the quantum Hall effect, back scattering cannot be generated when the carriers touch impurities, a special quantum tunnel effect is formed, the electron moving speed between graphene layers is ultra-high, the thickness of the graphene is only 0.335 nm, and the graphene has the ultra-large specific surface area of 2630 m < 2 > / g and can be better and evenly dispersed between phases and wrap zinc powder particles. Electrons lost by zinc are quickly transferred to the surface of a paint film, and the oxidation rate of zinc powder in the paint film blocked by a formed compact basic zinc carbonate layer is greatly improved, so that a base material is protected from being oxidized, and the corrosion resistance of the paint film is effectively improved.
Owner:烟台核电石墨烯材料研究院有限公司

Sweet persimmon peeling device

The invention discloses a sweet persimmon peeling device which comprises a placing mechanism, a peeling mechanism, a fixing mechanism, a cleaning mechanism and a packaging mechanism. The peeling mechanism, the fixing mechanism, the cleaning mechanism and the packaging mechanism are respectively located on the placing mechanism; the cleaning mechanism is located at the output end of the placing mechanism; the peeling mechanism is located at the output end of the cleaning mechanism; and the packaging mechanism is located at the output end of the peeling mechanism. According to the invention, after sweet persimmons enter a feeding box, the sweet persimmons are placed in order and vertically arranged under the action of a flattening roller so as to facilitate subsequent peeling of the sweet persimmons, meanwhile, the sweet persimmons are secondarily arranged under the action of a rotating cylinder so as to prevent the phenomenon of individual wrong arrangement, then the sweet persimmons which are arranged in order are placed in a storage cylinder, and under the action of an annular disc, the sweet persimmons and a fixing base are relatively and correspondingly conveyed to the next process; and the device can enable the sweet persimmons to be arranged in order, is convenient for vertical arrangement of the sweet persimmons, and prevents deviation during peeling.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Green high-precision flexible printing corrugated carton

The invention discloses a green high-precision flexible printing corrugated carton. The green high-precision flexible printing corrugated carton comprises a carton bottom plate, a front side plate, aback side plate, a left side plate, a right side plate and a cover plate, wherein the cover plate is connected with the back side plate; each plate comprises backing paper, surface paper and a corrugated core structure, the corrugated core structure is formed in a way that corrugated paper and plane core paper are bonded, and reinforcing ribs are distributed on the positive and negative sides of the plane core paper, so that the intensity and the anti-shock capability of the paper plate can be increased.PE films are applied to both sides of the surface paper, the plane core paper and the backing paper, and the PE films have excellent adhesive force and wear resistant characteristics and are easy to absorb ink to image. Water-based ink pattern layers which are formed by flexography are applied to the PE films of the surface paper, water-based gloss oil coatings are applied to the water-based ink pattern layers, and toxicity and pollution are not generated. Lower buffer posts are arranged on the left and right sides of the upper surface of the carton bottom plate, and upper buffer posts are arranged on the left and right sides of one surface, which is opposite to the carton bottom plate, of the cover plate, so that the good buffer effect can be achieved, and the vibration of packaging products is reduced.
Owner:ZHUHAI ZHENGYE PACKAGING
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