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65results about How to "Effective moisture" patented technology

Method for restoring vegetation on barren mountains and sloping fields in arid and semi-arid regions

The invention discloses a method for restoring vegetation on barren mountains and sloping fields in arid and semi-arid regions. The method comprises the following steps of: building a horizontal ditch in an arid and semi-arid barren mountain / sloping field region along a contour line; building semi-arc-shaped water collecting ridges in the horizontal ditch in an earth furrow spacing way, wherein a ditch is formed in the two water collecting ridges and is taken as a seedling planting region; and planting arid and semi-arid region greening trees in a seedling planting region and covering a covering layer. The technical scheme of the invention is suitable for arid and semi-arid regions, and has the advantages of easiness for operating, low cost, high wood survival rate, quick vegetation growth and good water and soil holding effect.
Owner:BEIJING NORMAL UNIVERSITY

Method for planting saffron crocus in Tibet region

The invention relates to a method for planting saffron crocus in a Tibet region and belongs to the technical field of natural medicine plantation. The method comprises the steps of field seed ball breeding and indoor cultivation flower picking. The field seed ball breeding comprises the sub-steps of selection of seed corms, plantation preparation, plantation, field management, harvesting of the seed corms and storage of the seed corms. The indoor cultivation flower picking comprises the sub-steps of loading into flat baskets, shelving, cultivation management, and harvesting and processing of the saffron crocus. The saffron crocus is planted in a large field in the Tibet region by using the plantation method, sunlight is sufficient, the plantation time of the seed corms in the land is long, flowers are picked in the land, and the cost is reduced; by virtue of the selection and the cooperation of various plantation parameters according to the technical scheme, filaments of the produced saffron crocus are long, the appearance is good, and the yield is high; the content of saffron crocus essence and saffron crocus bitter principle is greatly higher than that of the saffron crocus produced in the prior art, the medicinal value is high, and pesticide residues are eliminated; moreover, seed balls are large, low in lesion and low in degeneration.
Owner:XIZANG SHENGQI HEALTH CARE PROD

Foam cushion and method of making and using the same

The present invention provides a foam cushion, a method of making the foam cushion, and a method of using the foam cushion. The foam cushion is formed from: (a) at least one of rubber and a resin; (b) a blowing agent; (c) a polymeric adhesion modifier; (d) a decomposition accelerating agent, and (e) a cross-linking agent.
Owner:PHAT CUSHION LLC

TRD continuous wall curing agent, and use method and application thereof

The invention belongs to the technical field of a soil curing agent, and particularly relates to a TRD continuous wall curing agent. The curing agent is prepared from the following ingredients including 15 to 55 parts of sodium dodecyl polyoxyethylene ether sulfate, 20 to 30 parts of sulfonated oil, 2 to 8 parts of polyanionic cellulose, 10 to 50 parts of polyhydric alcohols, 10 to 20 parts of high-molecular polymer anionic surfactants, 10 to 20 parts of water, 15 to 30 parts of fly ash, 5 to 20 parts of water glass, 3 to 9 parts of sodium silicofluoride, 10 to 40 parts of cement, 10 to 20 parts of phosphogypsum, 2 to 6 parts of sulfuric acid, 5 to 20 parts of polyacrylamide, 10 to 15 parts of epoxy resin and 3 to 5 parts of hydramine. The curing agent has the advantages of high pressure-resistant intensity and excellent waterproof and dampproof performance; waste soil, slag soil and building waste soil can be effectively modified to be reused as road building materials; the soil curing time is prolonged; the pressure-resistant intensity is improved, so that the TRD continuous wall construction work period is shortened; the efficiency is improved.
Owner:SHANDONG UNIV +1

Soil heavy metal deactivator

The invention relates to a soil heavy metal pollution treatment technology, and concretely relates to a soil heavy metal deactivator, and a method using the soil heavy metal deactivator to deactivate and repair soil heavy metal pollution. The soil heavy metal deactivator comprises, by weight, 30 parts of peanut shells, 15 parts of red pine needles, 10 parts of sepiolite, 10 parts of fly ash, 5 parts of chitin, 3 parts of sodium metasilicate pentahydrate, 0.4 part of sodium tripolyphosphate, 0.1 part of choline chloride, 1.2 parts of a microbial inoculum and 0.05 part of quicklime. The soil heavy metal deactivator can effectively reduce the heavy metal content of plants to achieve the deactivation and repairing purposes.
Owner:南京宁粮生物工程有限公司

Preparation method of skin microscopic tissue slice of hynobiidae animals

The invention discloses a preparation method of a skin microscopic tissue slice of hynobiidae animals and belongs to the technical field of microscopic tissue slices. The preparation method includes following steps: 1) dehydration: successively soaking skin tissue, which has been subjected to fixing treatment, of the hynobiidae animals into ethanol solutions being 50%, 70%, 80%, 90%, 95% and 100% in concentration gradient to dehydrate the skin tissue, wherein dehydration time in each concentration gradient is 45-60 min; (2) transparent treatment: soaking the dehydrated skin tissue into a mixed liquid of 100% ethanol and dimethylbenzene for 2-3 min, and then soaking the dehydrated skin tissue into dimethylbenzene for 10-30 min; (3) wax soaking: soaking the skin tissue being subjected to the transparent treatment into a mixed liquid of dimenthylbenzene and paraffin for 20-30 min, and then soaking the skin tissue into paraffin respectively by two times, each time lasts for 45-60 min; and (4) embedding the wax-soaked skin tissue, and performing slice cutting, slice expansion, slice pasting, slice baking, dyeing and seal-fixation to obtain the skin microscopic tissue slice. The preparation method is simple in process and convenient to operate. The prepared slice is complete and shows a clear image structure.
Owner:HENAN UNIV OF SCI & TECH

Method for introducing and cultivating sabina vulgaris in high-altitude areas

The invention discloses a method for introducing and cultivating sabina vulgaris in high-altitude areas. The method comprises following steps: uniformly arranging stripped low-ridge planting bed surfaces in the direction perpendicular to the main disastrous wind and in gritty gobi wind-blown sand areas through soil preparation; in spring or autumn, performing cave-shaped soil preparation on the stripped low-ridge planting bed surfaces so as to obtain cave-shaped pits; in the next year after the cave-shaped soil preparation, planting and introducing sabina vulgaris in the treated cave-shaped pits; uniformly laying salix bangongensis litters and mixtures of sand and soil on the planted stripped low-ridge planting bed surfaces; laying mulching films, wherein the two sides of each mulching film is covered with soil and are treaded down, so that the enclosed mulching film is formed; cutting the mulching films in the sabina vulgaris growing direction, and covering cracks with soil; and finally taking overwintering cold protection measures for winter. According to the invention, measures are taken according to local conditions, materials are obtained from local sources, the method is easy to carry out, is economical and practical, is high in operationality, and facilitates the sabina vulgaris introduction, sand control and greening in high-altitude, high-cold and high-dry gobi wind-blown sand beach areas.
Owner:赵国平

Sponge seedling raising bed

Seed germination requires extremely strict conditions such as moisture, oxygen and the like, and at present, most of soil-less substrates for raising seedlings cannot meet the requirements on the moisture, stability of the substrates and other elements for raising the seedlings. In order to realize moisture preservation, ventilation and the like in the process of raising the seedlings without using soil, the invention provides a sponge seedling raising bed device which has the advantages of low cost, convenience for transplanting and the like. The sponge seedling raising bed consists of a plurality of blocky sponge seedling raising units which are connected with one another, wherein a groove is formed in the center of each sponge seedling unit block; a cross-shaped gap which is communicated with the bottom of each sponge block is formed at the bottom of each groove; each sponge seedling raising unit block is connected with other surrounding sponge unit blocks through a connecting part of which the width is about 1 mm; a hemispheric groove of which the diameter is about 10 mm is formed in the center of the top of each sponge seedling raising unit block; and seeds are placed in the hemispheric grooves. Each cross-shaped gap which has the same width as each groove is formed at the bottom of each groove and is communicated with the bottom of each sponge block, and each sponge seedling raising block has a cubic structure of which the side length is 20 mm.
Owner:杨建伟

Spicy minced fish sauce and preparation method thereof

InactiveCN103070383AReduce usageStrong and long lastingFood preparationMonosodium glutamateAlcohol
The invention relates to the technical field of food, and discloses a spicy minced fish sauce and a preparation method thereof. The spicy minced fish sauce is prepared by Dong River freshwater fish meat, high mountain peppers, garlic, gingers, onions, monosodium glutamate, chicken powder, colza oil, sesames, salt, ground pepper, white sugar, dry chilli powder and deodorization pickling salt. A plurality of food raw materials are selected and reasonably mixed to prepare novel spicy minced fish sauce of Dong River freshwater fish; and the sauce has authentic color, aroma, taste and alcohol flavor; the product has the advantages of clear oil color, red color, mellow natural fragrance, salty and fresh flavor, obvious spicy taste and excellent oil layering; the flavor of the product is remarkably better than that of like products; and the product is well received by consumers.
Owner:HUNAN PROVINCE JINWANJIA FOOD

Method for cleaning bell jar, method for producing polycrystalline silicon, and apparatus for drying bell jar

A bell jar includes a metallic bell jar (1), and a metallic base plate (2) on which the bell jar (1) is placed, and packing (3) seals an inside of a container. To the base plate (2), a pressure gauge (4), a gas introduction line (5), and a gas discharge line (6) are connected so as to allow monitoring of internal pressure of the bell jar (1) and introduction and discharge of a gas. A vacuum pump (7) is provided in a path of the gas discharge line (6), and the vacuum pump (7) reduces internal pressure of the bell jar so as to be lower than vapor pressure of water. The vacuum pump (7) reduces the internal pressure of the bell jar so as to be lower than vapor pressure of water, thereby efficiently removing moisture, and completing drying of the bell jar in a short time.
Owner:SHIN ETSU CHEM IND CO LTD

Single-core optical cable for indoor and outdoor jumper wires and preparing method thereof

ActiveCN103616749ASufficient lateral stretchProtective enoughFibre mechanical structuresWater vaporEngineering
The invention relates to a single-core optical cable for indoor and outdoor jumper wires and a preparing method of the single-core optical cable for the indoor and outdoor jumper wires. The single-core optical cable comprises an optical fiber, a tightly-wrapping layer, a second water-resistant reinforcing layer, an inner protection layer, a first water-resistant reinforcing layer and an outer protection layer. The method for preparing the single-core optical cable comprises the steps that a curved insensitive optical fiber material is selected and manufactured into the optical fiber; the outer surface of the optical fiber is wrapped in the tightly-wrapping layer through a plastic extruding machine; the outer surface of the tightly-wrapping layer is wrapped by the second water-resistant reinforcing layer; the outer surface of the second water-resistant reinforcing layer is wrapped in the inner protection layer through the plastic extruding machine; the outer surface of the inner protection layer is wrapped by the first water-resistant reinforcing layer; the outer surface of the first water-resistant reinforcing layer is wrapped in the outer protection layer through the plastic extruding machine, and therefore the single-core optical cable for the indoor and outdoor jumper wires is obtained. The single-core optical cable for the indoor and outdoor jumper wires is greatly improved in structure and can be generally used in cooperation with regular jumper wire parts so that the good generality of the single-core optical cable can be achieved, the using requirements for the long distance, an outdoor low-temperature environment and repeatedly dragging can be satisfied, a fire source and water vapor can be effectively blocked and the damage caused by rodents can be prevented.
Owner:ZHEJIANG SHIP ELECTRONICS TECH

Saffron planting method

InactiveCN106358688APromote growthImprove Yield and PotencyHorticultureGerminationSite management
The invention discloses a saffron planting method which comprises the following steps: seeding, field management, seed ball soil digging, indoor seedling culture, a germination and flowering period, a picking period, a drying period and classification, packaging and storage, wherein the field management comprises scientific fertilization, scientific watering, winter heat preservation and pest control; the germination and flowering period comprises germination and flowering; and the step of classification, packaging and storage comprises classification, packaging and finished product storage. Through the planting method disclosed by the invention, the yield, quality and efficacy of saffron are greatly improved, and the economic benefits are increased.
Owner:宋忠智

Fermentation tank for organic solid waste recovery treatment

The invention discloses a fermentation tank for organic solid waste recovery treatment, and relates to the technical field of solid waste fermentation. The fermentation tank for organic solid waste recovery treatment comprises a supporting platform. A first supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod and a fixing block are welded on the outer surface ofthe top of the supporting platform. A second supporting plate is welded on the outer wall of one side of the third supporting rod, and a second driving motor is installed on the outer surface of thetop of the second supporting plate in a welded mode. A first supporting plate is installed on the outer wall of one side of the fourth supporting rod in a welded mode, and a first driving motor is welded on the outer surface of the top of the first supporting plate. A breaking box is welded on the outer wall of the other side of the third supporting rod, and the outer wall of one side of the breaking box and the outer wall of one side of the fourth supporting rod are welded and installed. By the adoption of the fermentation tank for organic solid waste recovery treatment, the living environment of microorganisms can be more effectively improved, and the fermentation efficiency can also be more effectively improved.
Owner:湖州一环环保科技有限公司

Method for paving roasting medium in aluminum electrolysis cell and method for roasting lining

ActiveCN102995058AEffective layingEmission reductionElectrolysisGraphite
The invention discloses a method for paving a roasting medium in an aluminum electrolysis cell and a method for roasting a lining of the aluminum electrolysis cell. The method for paving a roasting medium in an aluminum electrolysis cell comprises the following steps of: placing a fence frame in an anode orthographic projection area of the aluminum electrolysis cell; filling the fence frame with a roasting medium, wherein the roasting medium contains scorched particles and graphite; and after leveling the surface of the roasting medium, removing the fence frame. Through the invention, the roasting medium can be effectively paved in the aluminum electrolysis cell.
Owner:YUNNAN YONGXIN ALUMINUM +1

Glass fiber reinforced polypropylene

The invention discloses glass fiber reinforced polypropylene which comprises the following components in percentage by weight: 64.45 percent of polypropylene, 30 percent of glass fibers, 5 percent of a compatilizer, 0.5 percent of a lubricating agent and 0.05 percent of titanium dioxide. The glass fiber reinforced polypropylene disclosed by the invention has the technical effects that because the titanium dioxide is added into the glass fiber reinforced polypropylene, the shear capacity of an extruder screw does not need to be enhanced in the material production process, the interior of the glass fibers can be effectively wetted with resins, the manufactured product is smooth and attractive in surface, and the performance is not influenced.
Owner:宁波龙洋塑化科技有限公司

Method for repairing heavy metal Pb and Cd contaminated soil by water spinach combined with organic substrate

The invention discloses a method for repairing heavy metal Pb and Cd contaminated soil by water spinach combined with an organic substrate. The method uses the combination effect of water spinach andthe organic substrate to adsorb and enrich Pb and Cd ions in the contaminated soil, wherein the organic substrate is prepared from the following raw materials by weight: 7 to 10 parts of peat soil, 1to 2 parts of vermiculite, 1 to 2 parts of perlite, 1 to 2 parts of straws, 1 to 2 parts of carbonized grains, and 1 to 2 parts of wine residue. The water spinach is combined with the organic substrate to adsorb and enrich the Pb and Cd ions in the contaminated soil, the added organic substrate can promote the conversion of Pb and Cd into an exchangeable state, and promotes the efficiency of plantabsorption and improve the physical state of the soil and plant habitats, the method has significant enrichment and transfer effects on heavy metals such as the Pb and Cd in the soil, and has low cost for in-situ remediation of the Pb and Cd contaminated soil, low time, simple operation, high repair rate and good stability, and waste recycling can be achieved.
Owner:陕西地建土地工程技术研究院有限责任公司

Electroplatable polyether imide material and preparation method thereof

The invention relates to an electroplatable polyether imide material and a preparation method thereof. The electroplatable polyether imide material is prepared from the following components in percentages by weight: 70-85% of polyether imide PEI resin, 10-25% of a ceramic microbead abrasive material, 0.05-0.1% of a colloidizing auxiliary agent and 0.1-0.3% of polytetrafluoroethylene micropowder. The electroplatable polyether imide material provided by the invention can improve the flowability and machinability of a polyether imide plastic by adding the ceramic microbead abrasive material, and the mechanical strength and the temperature resistance are obviously improved; a metal plating and the surface of the polyether imide plastic are combined well and the dimensional stability of the polyether imide plastic product is improved, so that the coefficient of thermal expansion of the metal plating of the polyether imide plastic product is relatively reduced, and the problem that the plastic and the metal plating delaminate due to a temperature difference is effectively solved.
Owner:常州德毅新材料科技有限公司

A soil heavy metal passivator

The invention relates to a soil heavy metal pollution treatment technology, and concretely relates to a soil heavy metal deactivator, and a method using the soil heavy metal deactivator to deactivate and repair soil heavy metal pollution. The soil heavy metal deactivator comprises, by weight, 30 parts of peanut shells, 15 parts of red pine needles, 10 parts of sepiolite, 10 parts of fly ash, 5 parts of chitin, 3 parts of sodium metasilicate pentahydrate, 0.4 part of sodium tripolyphosphate, 0.1 part of choline chloride, 1.2 parts of a microbial inoculum and 0.05 part of quicklime. The soil heavy metal deactivator can effectively reduce the heavy metal content of plants to achieve the deactivation and repairing purposes.
Owner:南京宁粮生物工程有限公司

Method for purifying ethyl acetate

ActiveCN112500292AHigh yieldImprove the efficiency of removing other impuritiesSemi-permeable membranesMembranesEthyl acetateSolvent
The invention provides a method for purifying ethyl acetate. The method comprises the following steps: dehydrating crude ethyl acetate to be treated through an acid-resistant permeable membrane, and removing other impurities through a rectification technique. Compared with a single rectification process, the method has the advantages that water in ethyl acetate is removed in advance through an acid-resistant permeable membrane dehydration technology, so that a ternary or higher azeotropic system formed by ethyl acetate, water, ethanol and the like is broken through, the efficiency of removingother impurities through the rectification technology is remarkably improved, and the yield of ethyl acetate is increased; besides, moisture in the crude ethyl acetate solvent can be effectively removed by the crude ethyl acetate through the acid-resistant permeable membrane, other substances do not need to be added, new pollution is not generated, subsequent additional treatment is not needed, the permeable membrane can be continuously operated, the dehydration efficiency is high, the energy consumption is low, the ethyl acetate purification energy consumption is greatly reduced, and the purification cost is reduced.
Owner:宁波大膜科技有限公司

Method for crisping eucheuma

The invention discloses a method for crisping eucheuma. The method comprises the following steps: rinsing and cleaning the eucheuma, mixing the cleaned eucheuma with water in a material-liquid ratio of 4% and adding cellulase to react with the eucheuma to remove cellulose in the cell wall of the eucheuma, wherein the weight ratio of cellulase to the eucheuma is 1 to 110; reacting at 50 DEG C for 50 minutes, then pasteurizing the eucheuma by heating the eucheuma at 85-90 DEG C for 10 minutes, reducing the moisture content of the eucheuma to 60-80% through centrifugal dewatering after pasteurization and determining the crispness of the eucheuma through sensory evaluation. The method is simple in processing technology. Compared with industrial boiling water heating methods for crisping the eucheuma, the method has the beneficial effects that the heating energy consumption can be reduced by 37%; the cost of industrial processing can be reduced; the crispness effects of the eucheuma processed by an enzymic method are better than the crispness effects of the eucheuma processed by the industrial boiling water methods; the method has the advantages of low investment and quick effects in actual production and is suitable to be popularized and applied.
Owner:JIMEI UNIV

Bionic naturally survived granular seed and preparation method thereof

The invention discloses a bionic naturally survived granular seed and a preparation method thereof. The bionic naturally survived granular seed is composed of an inner layer, a middle layer and an outer layer. The inner layer comprises the following materials including, by weight, 1-5 parts of a polymer aggregate agent, 4-9 parts of a polymer stabilizer, 4-9 parts of a polymer binder, 2-6 parts ofparaffin, 2-5 parts of vegetable gum, 0.1-0.6 part of gelatin, 99-140 parts of clay and 80-110 parts of bentonite; and the middle layer is prepared from the following components including, by weight,3-8 parts of a polymer aggregate agent, 10-18 parts of a soil stabilizer, 2-6 parts of a flexible stabilizer, 1-4 parts of an improver, 0.5-3 part of a bacteriostatic agent, 150-300 parts of bentonite, 6-20 parts of clay, 2-10 parts of an adhesive, 2-9 parts of a fertilizer, 80-150 parts of organic matter, 1-4 parts of humic acid and 0.1-0.5 part of copper sulfate. According to the method, the seed can be protected from sprouting under specific sufficient moisture, and the growth performance is maintained.
Owner:潘志刚

Automated, efficient and intelligent agricultural soil-plowing machine

The invention discloses an automated, efficient and intelligent agricultural soil-plowing machine, and specifically relates to the field of agricultural machinery. The machine includes a vehicle frame; the top of the vehicle frame is provided with a remote sprinkler mechanism; the remote sprinkler mechanism includes a limit frame; the limit frame is fixedly arranged on the top of the vehicle frame; the inner side of the limit frame is provided with a cushion; a water tank is arranged on the top of the cushion; a water supply pipe penetrates the top of the water tank and is provided with a suction pump, and the end part of the water supply pipe is provided with a main drainage pipe; the two ends of the main drainage pipe are fixedly provided with sealing plugs, and the side surface of the main drainage pipe is penetrated by multiple branch drainage pipes; the end parts of the branch drainage pipes are provided with the sealing plugs; an installation plate is fixedly arranged on the topof the water tank; and the side surface of the installation plate is fixedly provided with a connecting rod. Through the remote sprinkler mechanism, the soil farther in front of the head of a motor vehicle can be effectively moistened; during follow-up soil plowing, as the soil is effectively moistened, large abrasion to a soil-plowing hoe cannot be caused; and dust cannot be generated during soilplowing, and therefore, the machine is good in actual application effect.
Owner:桐乡市常新农机专业合作社

Non-aqueous electrolyte and secondary battery thereof

The invention provides a non-aqueous electrolyte and a secondary battery thereof, the non-aqueous electrolyte comprises a lithium salt, a non-aqueous organic solvent and an additive, the additive comprises a cyclic amide compound represented by a structural formula I, a structural formula II or a structural formula III, r1 to R8 are respectively and independently selected from hydrogen, halogen, substituted or unsubstituted methyl and substituted or unsubstituted C2-C9 alkyl. The cyclic amide compound provided by the invention can be reduced to form a silicon-containing amide compound, and the compound has good thermal stability and can isolate direct contact between an electrolyte and a positive electrode material at a high temperature, so that decomposition of the electrolyte is inhibited. In addition, by introducing a-Si-N-CO-structure, the toughness of chemical bonds can be increased, so that gas production caused by instability of aminoacyl groups under high voltage and high voltage is avoided. Meanwhile, the cyclic amide compound contains a Si-N bond structure, so that free water and HF in a battery system can be removed, and the performance of the positive electrode material is improved.
Owner:ZHUHAI SMOOTHWAY ELECTRONICS MATERIALS

Process for carrying out oil paint coating construction on wall body in building construction

The invention relates to the technical field of oil paint construction, in particular to a process for carrying out oil paint coating construction on a wall body in building construction. The processcomprises the following steps of S1, processing a base layer; S2, applying an interface agent; S3, applying putty powder; S4, drying the wall body; S5, polishing a wall surface; S6, removing floatingdust; and S7, brush coating. In the construction process, through drying the wall body, moisture in the putty powder can be effectively removed, so that a coating can be well adhered onto the putty powder, and the occurrence of the phenomena of peeling and bubbling is reduced; and in the wall body drying process, after the putty powder is dried, the putty powder is purged by utilizing a high-pressure gas, so that the loosened putty powder easy to fall can be effectively removed, the hidden troubles are removed, and the occurrence of the problems in the follow-up use process is reduced.
Owner:LIAONING PROVINCIAL COLLEGE OF COMM

Seedling-lifting apparatus and seedling-lifting method thereof

The invention relates to a seedling-lifting apparatus, and relates to the technical field of greening planting. The apparatus comprise a machine frame, wherein the machine frame is provided with a support disc, the support disc is horizontally arranged and rotationally connected with the machine frame, the support disc is provided with infiltration mechanisms, each infiltration mechanism comprisesan infiltration pipe, each infiltration pipe can move up and down, each infiltration pipe comprises a pipe body, and an infiltration section connected with the pipe body, one end, being in contact with the ground, of each infiltration section is conical, and each infiltration section is provided with infiltration holes. The apparatus can effectively moisten soil around a seedling by the infiltration sections thrust into the soil, so that the moistening effect is better, water resources are saved at the same time, and the damage to the root of the seedling can be reduced.
Owner:CHENGTONG KAISHENG ECOLOGICAL CONSTR CO LTD

Sealing structure and method of in-plane prestressed reinforcement channel of segmental beam splicing

PendingCN109235288AImprove sealingAvoid stress corrosionBridge erection/assemblyPre stressEngineering
The invention discloses a sealing structure and a method of the in-plane prestressed reinforcement channel of a segmental beam splicing and belongs to the technical field of bridge construction. The sealing structure includes two segments of beam, One end of the two segmental beams respectively has corresponding splicing surfaces, and the two segmental beams are provided with internal stress rib channels, wherein the splicing surfaces of the two segmental beams are respectively provided with annular protrusions and annular grooves adapted to each other and surrounding the internal stress rib channels, and the annular grooves are provided with sealants. The annular convex part and the annular groove part are matched to form an effective partition structure, and the sealant with sealing effect is matched to effectively partition the moisture and gas of the prestressed tendon channel at the joint of the segmental beam, thereby avoiding water permeability and air permeability, preventing stress corrosion of the prestressed tendon more efficiently, and improving the durability of the bridge.
Owner:TIANJIN CHENGJIAN UNIV

A forest fire fighting vehicle

The invention discloses a forest fire extinguishing trolley, comprising a jet cylinder and a vehicle body. The two sides of the vehicle body are connected with crawler wheels, and the top of the vehicle body is rotatably connected with a turntable, and two ends of the top of the turntable are respectively connected with a fixing frame and a Electric push rod, the spray cylinder is placed between the fixed frame and the electric push rod, a runner is arranged inside the car body on one side of the track wheel; the two ends of the car body are respectively fixed with a water tank and a soil tank. The invention can effectively move through the crawler wheel, can effectively shoot through the camera, is convenient for the operator to remotely control the device to monitor and inspect in the complex forest, and can effectively drive the shovel blade through the rotation of the runner to continuously shovel the soil and send it into the car body In the internal soil box, the soil is sieved and moistened, and then high-pressure spray fire is carried out through high-pressure injectors, which effectively simplifies the traditional soil borrowing structure, reduces the size of the device, and avoids the consumption of water resources and the cost of traditional water spray fire extinguishing methods. lower, which improves the fire extinguishing effect of the device.
Owner:中鸣信(廊坊)科技有限公司
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