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59results about How to "Reduce chapping" patented technology

Interior wall plastering mortar and construction method thereof

The invention provides interior wall plastering mortar, which is prepared by mixing the following components in part by weight: 30 to 35 parts of ordinary Portland cement, 4 to 5 parts of hydrated lime, 5 to 10 parts of light aggregate, 50 to 60 parts of heavy aggregate, and 1.0 part of C-type composite auxiliary, wherein the light aggregate is an inorganic vitrified hollow cellular material of which the fineness is lower than 100 meshes; the heavy aggregate is ordinary river sand; and the C-type composite auxiliary is sold by Guangzhou Hecheng Trading Company. The construction method for the interior wall plastering mortar comprises the following steps: diluting the light energy-saving interior wall plastering mortar with water accounting for 30 to 50 percent of the weight of the mortar; and mechanically or manually stirring the diluted mortar until the mortar is mixed uniformly to achieve the viscosity suitable for mechanical spraying or manual construction. Therefore, the mortar can be sprayed mechanically or constructed manually. The interior wall plastering mortar has light weight and energy conservation, can prevent hollowness, cracking and falling off by being matched with a light wall body, can effectively reduce cracking of the mortar, ensures the quality of construction work, has the advantages of heat insulation and noise reduction, low cost of unit area, good grain composition, good peaceability, mechanical construction contribution and simple process.
Owner:SHENZHEN GRANDLAND DECORATION GROUP

High-flow-state anti-cracking concrete and preparation method thereof

The invention relates to high-flow-state anti-cracking concrete comprising the following components in parts by weight: 220-430 parts of cement, 130-200 parts of water, 30-90 parts of fly ash, 70-130parts of mineral powder, 550-880 parts of a fine aggregate, 1100-1350 parts of a coarse aggregate, 6-15 parts of a super absorbent resin particles, 20-60 parts of sponge rubber particles, 3-15 parts of steel fibers, 2-8 parts of epoxy resin and 4-10 parts of a water reducing agent, wherein the sponge rubber particles are formed by crushing sponge rubber. The preparation method comprises the steps:S1, uniformly mixing the super absorbent resin particles with the sponge rubber particles; S2, adding the mixture obtained in the step S1 into water to enable the super absorbent resin particles andthe sponge rubber particles to pre-absorb water, so as to obtain a pre-water-absorbing mixture; and S3, mixing the cement, the fly ash, the mineral powder, the fine aggregate, the coarse aggregate, the steel fibers, the epoxy resin, the water reducing agent, water and the pre-water-absorbing mixture, and uniformly stirring to obtain the high-flow-state anti-crack concrete. The high-flow-state anti-cracking concrete is good in anti-cracking performance and has the effect of improving the durability of the concrete.
Owner:上海练定新材料科技有限公司

Water pipe automatic storage device

The invention discloses a water pipe automatic storage device and relates to the field of agricultural equipment. According to the technical scheme, the water pipe automatic storage device comprises apipe storing mechanism arranged on a vehicle body; the pipe storing mechanism comprises a pipe winding mechanism and a pipe pulling mechanism arranged on one side of the pipe winding mechanism and used for pulling a water pipe; the pipe winding mechanism comprises a base and a pipe shaft, and the pipe shaft is inserted in the base; a driving mechanism is arranged at the end, close to the base, ofthe pipe shaft; and the pipe pulling mechanism comprises an inlet and an outlet, and air heaters are arranged on the two sides of the inlet. The water pipe automatic storage device has the beneficialeffects that by arranging the air heaters, softening of the water pipe in winter is facilitated, so that when the water pipe is subjected to winding storage, season crack of the wound water pipe dueto the fact the temperature is excessively low and consequently the water pipe is hardened is reduced; unique extrusion discs serve as the pulling device of the water pipe, thus pulling of the water pipe with elasticity is ensured, and the water pipe is further not liable to be damaged; and sundried on a water pipe body can be effectively cleared away by a cleaning cylinder, and then through rotating of the pipe shaft and up-down moving of a pipe arranging device on two-way lead screws, the purpose of automatically storing the water pipe is achieved.
Owner:SHANDONG INST OF POMOLOGY

Spray seeding matrix for regreening of bare side slope adapted to soil in arid and semi-arid zones and preparation method of spray seeding matrix

The invention relates to the technical field of environment protection and greening of side slopes, and provides a spray seedling matrix for regreening of bare side slope adapted to soil in arid and semi-arid zones and a preparation method of the spray seeding matrix. The spray seedling matrix provided by the invention is prepared from the following raw materials in parts by weight: 25 to 40 parts of composted organic wastes, 30 to 40 parts of side slope loess, 5 to 15 parts of kaolin, 0.5-0.8 part of potassium fulvate, 5 to 15 parts of bentonite clay, 3 to 4 parts of flour sticky glue and 5 to 10 parts of plant fibers. According to the spray seedling matrix, intensive aboveground parts and developed root systems of plants can be quickly formed on the long-term arid and bare side slope, regreening of the side slope can be effectively carried out, the soil is consolidated, and surface runoff and soil washing can be prevented and controlled. The preparation method provided by the invention comprises the steps of mixing the composted organic wastes, the side slope loess, the kaolin, the potassium fulvate and the bentonite clay and pulverizing into particles; then mixing the particles with the plant fibers to obtain a mixture; successively, adding water and stirring the mixture to form a viscous state; then mixing the viscous product with the flour sticky glue. The preparation method has the advantages of simple technology, strong operability and benefit to industrial production.
Owner:LANZHOU UNIVERSITY

Spray-seeding matrix for regreeening of slopes of droughty saline and alkaline land, and preparation method thereof

The invention provides a spray-seeding matrix applicable to regreeening of slopes of droughty saline and alkaline land, and a preparation method thereof, belonging to the technical fields of improvement of saline and alkaline land and greening matrixes for slopes. The spray-seeding matrix comprises the following raw materials by weight: 30-40 parts of decomposed organic waste, 35-45 parts of alienearth, 5-15 parts of bentonite, 5-10 parts of vegetable fibers, 0.5-0.8 part of halophilic and basophilic microbial agents, and 3-4 parts of a flour paste adhesive. The spray-seeding matrix allows plants to rapidly form dense aerial parts and developed roots on the slopes of droughty saline and alkaline land, thereby effectively realizing slope regreening, consolidating soil and preventing and treating surface runoff and soil erosion. The preparation method for the spray-seeding matrix provided by the invention comprises the following steps: mixing and pulverizing the decomposed organic waste, the alien earth and the bentonite so as to form particles, then mixing the particles with the plant fibers, adding water, carrying out stirring to allow the obtained mixture to be in a viscous state, and then mixing the mixture with the flour paste adhesive and the halophilic and basophilic microbial agents. The preparation method is simple technology, good in operability and favorable for industrial production.
Owner:LANZHOU UNIVERSITY

Lightweight plastering mortar and construction method thereof

The invention discloses lightweight plastering mortar, which is characterized in that the mortar is formed by mixing the following components in part by weight: 20 to 25 parts of common silicate cement, 2 to 4 parts of slaked lime, 5 to 10 parts of light aggregate, 20 to 30 parts of electromagnetic wave absorption master batch, 30 to 50 parts of heavy aggregate and 1.0 part of composite auxiliaryagent, wherein the light aggregate is an inorganic vitrified hollow micropore material with fineness of less than 100 meshes, and the heavy aggregate is common river sand. The construction method comprises the following steps of: diluting the lightweight plastering mortar by adding water in an amount which is 30 to 50 percent of the weight of the mortar, mechanically or manually stirring the mortar till the mortar is mixed uniformly, and mechanically coating the mortar or manually constructing the mortar when the mortar reaches the viscosity suitable for mechanical coating or manual construction. The lightweight plastering mortar with function of shielding and absorbing electromagnetic wave can shield and absorb the outdoor electromagnetic wave, absorb the indoor electromagnetic wave and reduce the diffuse reflection of the indoor electromagnetic wave, is light and energy-saving, reduces the consumption of unit area material and has low unit area manufacturing cost; and when used for a lightweight wall, the lightweight plastering mortar can prevent hollowing, cracking and dropping, is favorable for mechanized construction, and has simple process.
Owner:SHENZHEN GRANDLAND DECORATION GROUP

Drink containing pumpkin enzymes and preparation method thereof

The present invention discloses drink containing pumpkin enzymes and a preparation method thereof. The drink containing the pumpkin enzymes is prepared from peach gums, pumpkins, maca, fructus corni, herba gynostemmatis pentaphylli, American ginsengs, siraitia grosvenorii, and water as active ingredients in certain parts by weight. The raw materials of the drink containing the pumpkin enzymes are complementary in advantages, and the mutual synergic or resistant functions of the raw materials are utilized to improve curative effects, so that the drink has common efficacies of benefiting qi and supplementing blood, clearing heart and moistening lungs, strengthening spleen and benefiting middle warmer, and nourishing liver and supplementing kidneys, can reduce the damages of harmful free radicals on cells in body, improves skin metabolism, discharges harmful toxins, enables the human body to be full in qi and blood, and moderate in liver, kidneys, spleen and lungs, relieves fatigues, improves body functions, and has functions of improving human body immunity, preventing aging, removing freckles and beautifying features, reducing skin fine lines and dry cracks, enabling facial skins to be moist and shiny, and full of elasticity, and beautifying features and nourishing skins.
Owner:JIAXING TIANTENG AGRI LEISURE CO LTD

Method for increasing yield of super-thick material layer sintering

ActiveCN106884088AIncreased heat supply and mineralization timeHigh strengthSoft CoalsHot press
The invention relates to a method for increasing the yield of super-thick material layer sintering. Hot pressing pellets with the alkalinity being the same as that of a sintering mixture are distributed into the sintering mixture, so that ventilation holes are formed in an upper sintering material layer during ignition sintering. The method comprises the steps that 55-70 wt% of iron concentrate and 30-45 wt% of soft coal are fully uniformly mixed, then quick lime is added into the iron concentrate and the soft coal to form a mixture, the binary alkalinity of the mixture is made to be the same as the alkalinity of the sintering mixture, the ratio of CaO to SiO2 is 1.8-2.4, 2-5 wt% of water is added into the mixture, and the mixture is fully stirred and uniformly mixed in a mixer; a uniformly mixed mixture is subjected to hot pressing forming through a ball press machine, wherein the forming pressure is 20-30 MPa, the hot pressing temperature is 350-550 DEG C, the hot pressing time is 8-15 min, and the diameters of obtained hot pressing pellets are 8-12 mm; and the hot pressing pellets are distributed into the sintering mixture layer through a distribution device arranged between a sintering distributor and an ignitor, wherein the amount of the hot pressing pellets distributed into the edge sintering mixture is 1-2.5 times that of the hot pressing pellets distributed into the middle sintering mixture, and the depth of the hot pressing pellets distributed into the sintering material layer is 20-200 mm.
Owner:ANGANG STEEL CO LTD

Cleaning light-resisting airing box for immunohistochemical stain experiment

The invention belongs to the technical field of bioexperiments, and particularly relates to a cleaning light-resisting airing box for the immunohistochemical stain experiment. The cleaning light-resisting airing box comprises an outer shell, a control panel, a hatching cleaning device, an airing device, a moisturizing layer and an electric plate layer, wherein the outer shell is a rectangular boxbody, the hatching cleaning device, the airing device, the moisturizing layer and the electric plate layer are arranged in the box body of the outer shell, the control panel is arranged on one side ofthe upper surface of the box body of the outer shell, a cover plate used for sealing and covering the box body is arranged adjacent to the control panel on the upper surface of the box body of the outer shell; an on-off key and a temperature and humidity regulating button are arranged on the control panel; a display screen is further arranged to display time, temperature and humidity. The cleaning light-resisting airing box integrates the three functions of resisting light, cleaning and airing, the probability of fluorescence quenching is reduced, the dust pollution is reduced, a sheet is prevented from cracking, the degree of cleanliness of the sheet is improved, and the experiment effect of the immunofluorescence is guaranteed.
Owner:FUDAN UNIV

Ceramsite fired by doping high-silicon iron tailings and preparation method thereof

PendingCN112811926ARealize the utilization of solid waste resourcesImprove liquidityCeramic materials productionCeramicwareSilicon ironBuilding material
The invention belongs to the field of comprehensive utilization of building materials and solid wastes, and particularly relates to a method for firing ceramsite by doping high silicon iron tailings and other solid wastes. The invention relates to ceramsite fired by doping high-silicon iron tailings, wherein the ceramsite is prepared from the following raw materials in parts by mass: 60-70 parts of high-silicon iron tailings, 10-15 parts of red mud, 5-12 parts of montmorillonite, 5-8 parts of pulverized coal and 5-10 parts of kitchen garbage. Various performance index values of the ceramsite prepared only in the north provided by the invention meet the standard requirements of GBT17431.1-2010 "Lightweight Aggregate and Test Method Thereof". According to the invention, in the ceramsite doped with the high-silicon iron tailings for firing, the high-silicon iron tailings are used as main raw materials; so that from the perspective of treatment of a large amount of solid waste, the problem that a large amount of tailings are accumulated is efficiently solved, solid waste resource utilization is achieved, waste is turned into wealth, and the influence of the solid waste such as the tailings on the environment is reduced. The technical scheme has certain ecological benefits and social benefits.
Owner:SHENYANG POLYTECHNIC UNIV
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