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174results about How to "Guaranteed fullness" patented technology

Ultraviolet light curing transparent priming paint and preparation method and use method thereof

The invention discloses an ultraviolet light curing transparent priming paint and a preparation method and a use method thereof. The ultraviolet light curing transparent priming paint comprises the following components in percentage by weight: 20-30% of bisphenol A epoxy acrylate resin, 15-25% of polyester acrylate, 1-10% of urethane acrylate, 5-10% of reagent type hydroxyethyl acrylate, 10-20% of tripropylene glycol diacrylate, 12-25% of trimethylolpropane triacrylate, 4-6% of photoinitiator, 10-25% of filling powder and 0.4-0.8% of promotor. The ultraviolet light curing transparent priming paint is suitable for laser roller construction, has good grittiness and transparency, has the characteristics that sanding is not needed for semi-curing recoating between film layers and the like, and has thick coating performance and the performance that the surface is similar to a mirror surface, and compared with conventional roller coating, the coating weight is greatly increased, roller coating processes are saved, the priming paint is sanded by a sanding machine without large pressure and with a small number of sanded films, a workpiece has no bright spots, the fullness of a product is guaranteed, the product quality is improved, the loss of the machine is smallreduced, and the use amount of sanding belts is greatly reduced.
Owner:SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD

Polymer cement mortar for slab ballastless track of high-speed railway

ActiveCN104030644ALow elastic modulusAchieve expansibilityPolymer scienceRepair material
The invention discloses polymer cement mortar for a slab ballastless track of a high-speed railway. The polymer cement mortar a comprises a dry raw material and a liquid raw material, wherein the dry raw material comprises a binding material component, an elastic adjusting component, an expanding component, an internal curing component, an aggregate component and a coagulation adjusting component; the liquid raw material comprises a polymer emulsion, a water reducing agent, a defoaming agent, an air entraining agent and water; and the weight ratio of the dry raw material to the liquid raw material is 100:(15-25), and the dry raw material and the liquid raw material are uniformly mixed in a proportion to prepare the polymer cement mortar. The polymer cement mortar has the advantages of controllable coagulation time, high adhering strength, adjustable elastic modulus, good elasticity and toughness, high durability and the like, and is capable of replacing cement emulsified asphalt mortar to be applied to a packing material of the slab ballastless track or can be used as a quick repairing material of a filling layer of cement emulsified asphalt mortar.
Owner:BEIJING TIEKE SPECIAL ENG TECH CO LTD +1

UV (Ultraviolet) curing white primer for laser roller painting of woodware and preparation and application methods thereof

The invention discloses a UV (ultraviolet) curing white primer for laser roller painting of woodware, which has high coating quantity and flat and bright coated surface. The UV curing white primer comprises 15-25 percent of bisphenol A epoxy acrylate, 15-25 percent of polyester acrylate, 1-10 percent of polyurethane acrylate, 8-15 percent of tripropylene glycol diacrylate, 3-8 percent of reagent type hydroxyethyl acrylate, 10-25 percent of trimethylolpropane triacrylate, 5-8 percent of photoinitiator, 0.2-0.4 percent of wetting dispersant, 0.2-0.4 percent of anti-settling agent, 8-15 percent of talcum powder and 10-20 percent of titanium dioxide. The UV curing white primer has the characteristics that after laser roller painting construction is ended, the coating amount is capable of reaching 35-45g / m<2>, the coated surface is flat and bright, the covering power is stronger than that of a common roller painting UV white primer, and the semi-curing repainting between paint films is not required to be ground, and the like. When being used for performing coating, the UV curing white primer has the advantages of time and labor saving, high fullness of products, and less loss of a machine.
Owner:SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD

Highlight water-based automobile paint

The invention discloses a high-gloss water-based paint for car. The finishing varnish is prepared by mixing methacrylate resin(27-36%), ethyl acrylate resin(31-41%), water-soluble methyl-etherifying amino resin(9-14%), water-soluble polyurethane rheological agent(0.1-0.3%) , water-based polyurethane thickening rheology agent(3-5%) and deionized water(3-18.5%) in a container. A colored paint can be made by adding pigment concentrates into the finishing varnish. The stabilities of pigment dispersing into tiny particles and the miscibility of different pigments are guaranteed by using blended dispersants to wet and disperse the pigment. Good film fullness and glossiness can be obtained due to a higher solid content of the water-based paint by a mixture of more than two high-solid basic resin. The specification of this paint reaches and surpasses the standard level of common solvent car varnish by reducing the pollution of the harmful volatile organic solvent.
Owner:刘成金

Method for accelerating germination and growing seedlings of millettia specisoa champ seeds in winter

The invention provides a method for accelerating germination and growing seedlings of millettia specisoa champ seeds in winter. The method comprises the following steps: step 1, mixing the millettia specisoa champ seeds with a sprouting substrate according to a weight ratio of 1: (3-8), placing the mixture into an illumination incubator for 5-15 days, keeping the temperature in the illumination incubator at 25-30 DEG C, maintaining the moisture content of the sprouting substrate at 75-80%, wherein the sprouting substrate comprises 100 parts of China fir sawdust; step 2, burying the millettia specisoa champ seeds obtained in the step 1 into a seedling substrate in a greenhouse, keeping the air humidity in the greenhouse at 85-90 DEG C, and keeping the temperature in the greenhouse to be not higher than 30 DEG C, wherein the seedling substrate comprises garden soil and thoroughly decomposed sawdust according to a weight ratio of (1.5-2.5):1. The method disclosed by the invention increases the germination rate of the millettia specisoa champ seeds in winter from 0 to 90% above, increases the percentage of seedling emergency from 0 to 85% above, and compared with time of the conventional seedling growth in spring, the time is shortened by 2-3 months.
Owner:GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS

Production method of leather in which hexavalent chromium content reaches the standard

The invention discloses a leather mark-reaching producing method of hexavalent chromium, which comprises the following steps: placing the basket wet leather in barrate to wash; adding in water, degreasant, aminic acid liquor; discharging liquor; putting in water, modified glutaral, chromium powder, sodium thiosulphate; discharging liquor; adding in water, sodium acid sulfite, sodium thiosulphate, neutralization multiple tanning agent PAK-N apocenosis; discharging liquor; adding in water, synthetic tanning agent, acrylic resin tanning agent ART-1, bayberry extract, dye, sulfating modified adeps lanae fatting agent, synthetic fatting agent SES201, SCF synthetic fatting agent, DF recombination fatting agent, gallic acid, eldopaque and formaldehyde solution; discharging liquor; filling water; discharging liquor in the end. The invention prevents every nucleus of hexavalent chromium produced.
Owner:SHAANXI UNIV OF SCI & TECH

Coating method of bathroom furniture materials and bathroom furniture material

The invention discloses a coating method of bathroom furniture materials and a bathroom furniture material. The coating method is applicable to base materials of wood, metal or plastics and the like and specifically includes the following steps that (1) the base materials are subjected to surface treatment, and surfaces of the base materials are subjected to sanding; (2) water-based transparent putty is coated on the surfaces of the base materials, microwave drying is performed, and photosensitive paint film curing is performed; (3) putty layers on the surfaces of the base materials are subjected to sanding; (4) one or two layers of water-based primer is / are applied to the surfaces of the base materials, microwave drying is performed, and then photosensitive paint film curing is performed; (5) water-based primer layers on the surfaces of the base materials are subjected to sanding; and (6) one or two layers of water-based finish paint is / are applied to the surfaces of the base materials, microwave drying is performed, and then photosensitive paint film curing is performed. Water-based paint is used as the coating material, the water-based paint uses water as diluents of the paint, and heavy metal is not contained or scarcely contained in the paint, so that harm to human health is absent.
Owner:佛山市国人智能科技有限公司

Adjustable line winding mechanism of coiling machine of halogen-free crosslinked lines

The invention relates to power-line and cable processing equipment, and particularly relates to an adjustable line winding mechanism of a coiling machine of halogen-free crosslinked lines. The adjustable line winding mechanism comprises a cylinder, a motor and a traction device, wherein the motor drives one horizontal-H-shaped wheel to rotate; the cylinder is arranged on one linear sliding channel; the cylinder is vertical to the linear sliding channel; the output end of the top part is fixedly connected with one limiting ring; the traction device is arranged at one end of the linear sliding channel, and the outer part of the traction device is connected with one traction rod which is fixedly connected with the cylinder; the linear sliding channel is vertical to a side plate of the horizontal-H-shaped wheel. The adjustable line winding mechanism adopting the technical scheme has the beneficial effects that the traction device drives the cylinder positioned on the linear sliding channel to move back and forth, cables are conveyed to the horizontal-H-shaped wheel for winding after passing through the limiting ring on the cylinder, and the cylinder drives the limiting ring in a back-and-forth manner and further drives the cables to move back and forth, so that the filling degree of the coiled cables is ensured; simultaneously, the cylinder can enable the limiting ring to move up and down, and the positions of the cables can be adjusted at any time, so that the line winding quality is ensured and the efficiency is improved.
Owner:DANYANG WINPOWER WIRE & CABLE MFG

Sewage plant and recycled water plant in-situ sampling and on-line test device and operation method thereof

The invention provides a sewage plant and recycled water plant in-situ sampling and on-line test device and an operation method of the sewage plant and recycled water plant in-situ sampling and on-line test device, and belongs to the technical field of in-situ sampling and test devices. The bottom surface of a conical drill is fixedly connected with a cylindrical sampling rod in a sealing mode, a sampling opening is formed in the lateral side of the bottom end of the sampling rod, a baffle serves as a switch of the sampling opening, and the top of the baffle is connected with a metal rod connected with a handle; a hole plate filter screen is arranged above the sampling opening and is communicated with a silicone tube, and the silicone tube is connected with a water collecting device through a peristaltic pump; the water collecting device is provided with a probe in a sealed mode, and the probe is connected with an instrument. The drill is extended to an appointed depth under a liquid surface, and then the handle is pulled upwards to make the baffle and the sampling opening staggered, a water sample in an in-situ point to be tested flows into the sampling rod under the action of pressure, is filtered through the hole plate filter screen in the rod and then enters the silicone tube, and then the peristaltic pump is opened, and all kinds of indexes of the water sample entering the water collecting device are measured through the probe in real time. The method is flexible, simple, accurate, safe and reliable.
Owner:北京祺方天环保科技有限公司

Beading cave pretreatment construction method

InactiveCN109024569AGuaranteed fullnessSolve the difficult problem of handling when the distribution is unevenBulkheads/pilesSoil preservationTreatment resultsWave detection
The invention provides a beading cave pretreatment construction method. A method with an advance boring method and a pipe wave detection method combined is adopted for detecting the size and positionof beading caves. Slurry with different matching ratios is configured according to the size of the beading caves, and the filling degree of the beading caves is ensured. Materials are simple and highin efficiency compared with an original technology, the problem of treatment when the beading caves are distributed not evenly is effectively solved, when the cave treatment slurry reaches the strength of the design requirement, the pipe wave detection method is adopted for checking and accepting the treatment result of the beading caves, a treated foundation meets the requirement for bearing force of a pile foundation, quality accidents caused by the beading caves is extremely avoided, and subsequent construction and later input use can be effectively safely ensured. The beading cave pretreatment construction method belongs to the technical field of foundation and foundation construction.
Owner:CHINA CONSTR FOURTH ENG DIV

Lithium titanate battery pack charging method

The invention discloses a lithium titanate battery pack charging method. According to the method, the dump energy an optimal charging current corresponding to the current temperature of the battery pack are stored in a list, before charging each time, a BMS (Battery Management System) firstly detects the dump energy and current temperature information of the battery pack and checks the list to find the corresponding optimal charging current which is primary demanded current value to be sent. In each charging process, the BMS intermittently sends charging demand information to a battery charger, the battery charger charges the battery pack according to the demanded current value in the charging demand information; when the BMS detects that the highest unit voltage in the pack reaches the highest allowable charging voltage, the current of the battery charger is reduced to be lowest, and the current charging is stopped, and BMS then sends the charging demand information again; the BMS sends the demanded current value in the charging demand information to the battery charger by adopting a ladder type lowering manner until the fully charging is achieved. According to the method, the successfully full charging of the battery pack can be ensured, and the prolonging of the service life of the battery pack is facilitated.
Owner:HUIZHOU EPOWER ELECTRONICS

Middle-temperature energy-saving leadless solder paste special for tuners

The invention aims at solving the problems of the lead-free solder paste used in the production of tuners such as rosin joint, excessive residual solder beadings after welding and easy shedding of welding spots which are likely to happen in production, and provides a medium-temperature energy-saving lead-free solder paste specially used for tuners; the medium-temperature energy-saving lead-free solder paste is composed of Sn64Bi35Ag1 alloy solder powder and soldering flux paste; the soldering flux paste contains the components with the following weight percentage: 20-30% of high-viscosity perhydrogenated rosin, 20-25% of low-viscosity perhydrogenated rosin, 4-6% of modified hydrogenated castor oil, 2-4% of acid amide thixotropic agent, 4-6% of C3-C18 fatty amine salt of C4-C10 dibasic acid, 2-3% of phenolic antioxidant, 0.5-01.0% of cyclohexylamine hydrochloride, 1-2% of non-ionic halogen compound, 8-10% of hexamethylene glycol, 3-5% of wetting agent and 23-28% of diethylene glycol solvent. The medium-temperature energy-saving lead-free solder paste can effectively prevent the shedding phenomena of solder paste, has no solder beadings in products, little and transparent residue after welding, good insulating property, no-clean property and extremely strong postwelding reliability, and can reduce the heat shock damage to components and circuit boards and lower power consumption by about 8-10% at the same time.
Owner:深圳市贝壳能源科技有限公司

Diphasic stainless steel

InactiveCN101294262AGuaranteed fullnessGuaranteed material rateAlloyImpurity
The invention discloses a biphase stainless steel, which is especially suitable for the steel used for coinage. The biphase stainless steel comprises the chemical components by weight percentage (wt percent) as follows: C and N are less than or equal to 0.12 percent, Si is less than or equals to 1.0 percent, Mn is less than or equals to 6.0 percent, P is less than or equals to 0.04 percent, S is less than or equals to 0.01 percent, Ni is 3.0 to 7.0 percent, Cr is 20.0 to 28.0 percent, Mo is 0 to 2.0 percent, W is 0 to 2.0 percent, binary master alloy that is Ag-Cu is 0.10 to 1.0 percent, and the other weight percentage is composed of Fe and ineluctable impurities, wherein, the ratio (that is Creq / Nieq) between Cr valent weight and Ni valent weight ranges from 3.0 to 3.8. The volume percentage of the biphase stainless steel in a cold-rolling annealed ferrite is 65 to 85 percent, and the saturation magnetic induction thereof is 0.7 to 1.0T. The biphase stainless steel has good heat formability, low hardness and good plasticity; the erosion resistance is better than the existing coinage stainless steel, and the anti-fake performance and the bacteria resistance performance are realized.
Owner:CHINA BANKNOTE PRINTING & MINTING

Immersed tube foundation post-filling concrete

The present invention discloses a filling concrete, which comprises a concrete mixture, a concrete admixture and a cementing material, wherein the concrete mixture is inert powder, the concrete admixture comprises one or a plurality of materials selected from an anti-dispersing agent, a tackifier and a high-performance polycarboxylate water-reducing agent, the use amount of the cementing material is 270-400 kg / m<3>, the sand rate is 45-52%, and the water-cement ratio is 0.56-0.85. According to the present invention, the concrete has good flowing performance, can achieve the self-leveling effect under water, has good underwater non-dispersibility, and can effectively resist seawater erosion, wherein the zero bleeding rate of the concrete can ensure the immersed tube foundation post-filling fullness in a seawater environment.
Owner:CCCC WUHAN HARBOR ENG DESIGN & RES

Formula of low-melting-point SMT soldering paste and preparation method for formula

The invention discloses a formula of low-melting-point SMT soldering paste. The formula comprises the following two components in proportion by weight: 9-14% of paste soldering flux and 86-91% of spherical soldering powder. Dual planetary mixers sufficiently stir the two components uniformly, and then vacuum-pumping is performed to prepare the low-melting-point SMT soldering paste. Through a scientific formula design and an optimized production process, stable active ingredients and anti-oxidization components are added, so that the problem that a great number of tin balls are generated in reflux welding caused by easy oxidization is successfully solved, and the quality guarantee period of the low-melting-point SMT soldering paste is prolonged.
Owner:烟台艾邦电子材料有限公司

Vacuum negative-pressure grouting method and system

The invention discloses a vacuum negative-pressure grouting method. Through the effect of vacuum negative-pressure and pressure maintaining grouting, full grouting is achieved, and two machines are combined to carry out the grouting operation. The vacuum negative-pressure grouting method comprises the following steps that through a first grouting machine, a grouting material is conveyed from a grout inlet of a sleeve to a communicating cavity of a connected element and the inner portion of the sleeve by a pipeline; when the grouting material is about to flow out from a post-filling overflow opening of the sleeve, vacuum negative-pressure is formed inside the sleeve by the suction of a second grouting machine at the overflow opening, so that residual air in the sleeve can be sucked out, slurry can leak out secrete free water, and the whole sleeve and the gap area of the communicating cavity are filled with the grouting material; and the first grouting machine continues to perform pressure maintaining grouting at the grout inlet, so that it is guaranteed that the sleeve and the filling parts of the element is full of the grouting material.
Owner:CABR CONSTR MACHINERY TECH +1

Biodegradable composite film used for fresh keeping package of edible mushrooms and preparation method thereof

The invention relates to a biodegradable composite film used for fresh keeping package of edible mushrooms and a preparation method thereof. The preparation method includes steps of: 1) soaking a polylactic acid thin film, as a base film, in a polyethyleneimine solution for amination, water-washing and drying the film, acidifying the film in diluted hydrochloric acid, and water-washing and dryingthe film to produce a modified base film; 2) soaking the modified base film in a chitosan solution and water-washing and drying the modified base film to prepare a first composite film; 3) preparing afilm coating solution by dissolving sodium alginate, calcium chloride and cinnamic acid in water; 4) uniformly coating one side of the first composite film with the film coating solution and drying the film coating solution to form a coating layer. The biodegradable composite film is used for fresh keeping package of edible mushrooms and can delay the respiratory effect and after-ripening effectof the edible mushrooms, thus reducing browning and weight loss rate of the edible mushrooms and effectively keeping the edible mushrooms fresh. The composite film can prolong the storage life and normal temperature shelf life of the edible mushrooms and is suitable for being promoted.
Owner:上海大觉包装制品有限公司

Device for realizing hydrogen production and carbon dioxide separation simultaneously through chain type circulation reaction and working method of device

ActiveCN104229798AImprove transfer utilization efficiencyGuaranteed fullnessCarbon compoundsHydrogen productionGas solidProcess engineering
The invention discloses a device for realizing hydrogen production and carbon dioxide separation simultaneously through the chain type circulation reaction. The device comprises a fuel reactor, a hydrogen production reactor, an air reactor, a gas-solid separator, a partition board, a first dipleg, vertical return pipes and a second dipleg, wherein the fuel reactor is fixedly connected to the upper part of the air reactor; the hydrogen production reactor is fixedly connected to the lower part of the air reactor; the gas-solid separator is fixedly connected to the upper part of the air reactor; the air reactor and the fuel reactor are communicated through the first dipleg; the fuel reactor and the hydrogen production reactor are communicated through the vertical return pipes; and the bottom of the hydrogen production reactor and the bottom of the air reactor are communicated through the second dipleg and an entrainment hole. The device effectively solves the problem of gas mixing among the three reactors, is high in integration level, simple in structure and high in heat transfer and use efficiency, and upsizing is easy to realize. The invention further discloses a working method of the device. With the adoption of the method, hydrogen production and carbon dioxide separation can be realized simultaneously through the chain type circulation reaction with high efficiency and low energy consumption.
Owner:SOUTHEAST UNIV

Shallow reinforcement and deep injection supporting method for rapid excavation of broken roof large-section roadways

InactiveCN110566226ARealize grouting reinforcement workRealize safe excavation construction workUnderground chambersTunnel liningInjected materialHigh pressure
The invention discloses a shallow reinforcement and deep injection supporting method for rapid excavation of broken roof large-section roadways. The shallow reinforcement and deep injection supportingmethod comprises the following steps: (1) a shallow part glue-injecting reinforcing process is carried out, specifically, glue-injecting operation of shallow part drill holes is conducted on the broken roofs in the roadways, the multiple shallow part drill holes subjected to glue-injecting operation form shallow part glue-injected areas of the broken roofs in the roadways, and after grace glue-injecting materials in the shallow part glue-injected areas are solidified, shallow part reinforcing is conducted on the broken roofs; and (2) a deep part anchorage and injection integrated constructionprocess is carried out, specifically, after the grace glue-injecting materials in the shallow part glue-injected areas are completely solidified, high-pressure grouting operation of left anchor rod drill holes and right anchor rod drill holes is conducted on left roadway sides and right roadway sides in the roadways, and then high-pressure grouting operation of top anchor rod drill holes and anchor cable drill holes is conducted on the broken roofs in the roadways successively. The excavated broken roof large-section coal roadways and rock roadways can be effectively supported in time, the effect of supporting operation and the supporting strength are improved.
Owner:HENAN POLYTECHNIC UNIV

Forging process for producing mushroom-shaped flange on die forging hammer

The invention relates to a forging process for producing a mushroom-shaped flange on a die forging hammer. In the process, exhaust holes through which water vapor and air at the bottom of a die cavity are exhausted in time are respectively arranged at the centers of a preforging die cavity and a finish forging die cavity, which correspond to shaft parts of a flange; and an exhaust groove is arranged on a dovetail plane of the forging die and vertical to and communicated with the exhaust holes. By respectively arranging the exhaust holes at the centers of the preforging die cavity and the finish forging die cavity, which correspond to shaft parts of the flange, the water vapor and the air at the bottom of the die cavity can be exhausted in time, the flowing resistance of metal can be greatly reduced when blanks are fully filled towards the shaft part of the flange, the flowing speed of the metal can be improved and the fully filling of the shaft part of the flange can be favored, therefore, the fullness of the shaft part of the flange can be ensured.
Owner:广东省韶铸集团有限公司

Clamp special for sleeve vertical grouting

The invention provides a clamp special for sleeve vertical grouting. The clamp comprises a plurality of partition plates which are arranged at different heights and mutually parallel. A plurality of positioning holes are formed in each partition plate. A positioning bar is inserted into each positioning hole to fix the adjacent upper and lower partition plates. A plurality of grouting sleeve penetrating holes are formed in the top partition plate and used for fixing grouting sleeves. A plurality of steel bar penetrating holes are formed in the partition plates between the top partition plate and the bottom partition plate. Each steel bar penetrating hole and the corresponding sleeve penetrating hole are coincide in the vertical direction to make steel bars penetrating through the steel bar penetrating holes be inserted into the sleeves of the top. The tops of the all positioning bars on the top partition plate are provided with bending parts extending outwards. A receiving groove is formed in the upper portion of each bending part and used for storing grouting materials discharged from discharging openings of the grouting sleeves. According to the grouting clamp special for the grouting sleeves, the coaxiality of the steel bars and the sleeves are ensured, and the precision and accuracy of steel bar positioning are ensured.
Owner:上海宝冶工程技术有限公司

Automatic tying and bagging machine for bacterial sticks

The invention belongs to the technical field of edible mushroom production equipment, and discloses an automatic tying and bagging machine for bacterial sticks. The automatic tying and bagging machinecomprises a rack, a feeding device which is arranged at one end of the rack and a bagging and tying device which is arranged at the other end of the rack, wherein the feeding device comprises a spiral feeding auger, a feeding motor and a feed bin, and the bagging and tying device comprises a bagging assembly and a tying and conveying assembly. The automatic tying and bagging machine is reasonablein structural design, can achieve directional and quantitative bagging of materials, and can also guarantee the fullness of bagging; effective combination of the bagging assembly and the tying and conveying assembly is achieved, the mechanization of the whole equipment is greatly improved, batched production of the bacterial sticks of edible mushrooms is achieved, and the labor intensity is effectively reduced.
Owner:河南日星智能装备有限公司

Tool assembly for mortar paving during construction and construction method thereof

The invention provides a tool assembly for mortar paving during construction. The assembly comprises a horizontal mortar joint paving tool and a vertical mortar joint paving tool, the horizontal mortar joint paving tool comprises a horizontal plastering formwork, and a first clamping groove which clamps the horizontal mortar joint paving tool to a construction material is formed in the lower surface of the horizontal plastering formwork. The vertical mortar joint paving tool comprises a vertical plastering formwork, a second clamping groove which clamps the vertical plastering formwork to a construction material on the lower portion of the vertical plastering formwork is formed in the lower end of the vertical plastering formwork, and a third clamping groove which clamps the vertical plastering formwork to a construction material on the rear portion of the vertical plastering formwork is formed in the rear surface of the vertical plastering formwork. According to the tool assembly formortar paving, the requirement for the skills of construction personnel is remarkably reduced, and the plumpness and quality of mortar are well guaranteed.
Owner:CHINA CONSTR FIRST GRP THE SECOND CONSTR +1

Mortar anchor constructing method

ActiveCN102182480AGuaranteed fullnessGuarantee construction implementationBulkheads/pilesAnchoring boltsSocial benefitsEconomic benefits
The invention belongs to the technical field of mortar anchor construction in tunnel and underground engineering and side slope engineering, in particular to a mortar anchor constructing method. By the method, the problem that the mortar anchor constructing method has difficulty in ensuring engineering quality in the prior art is solved. The method accomplishes mortar anchor construction by usinga frustum-shaped location plug consisting of an upper part and a lower part; the upper part of the location plug has a hard wedge structure; the lower part of the location plug is made of elastic material; and a through hole is formed in the lower part of the location plug along the mortar-injecting direction. The method disclosed by the invention is low in cost, simple and easy in operation and easy in popularization; the economic benefit and social benefit of the method are outstanding in the current large-scale tunnel and underground engineering and side slope engineering; and the popularization value of the method is very high.
Owner:CHINA RAILWAY NO 3 GRP CO LTD

Production method with low energy consumption, 24 passes and high efficiency for hot rolling of phi-8 coiled reinforced bar

The invention discloses a production method with low energy consumption, 24 passes and high efficiency for hot rolling of a phi-8 coiled reinforced bar. The production method comprises four rolling mills for rough milling, six rolling mills for intermediate rolling, four rolling mills for finish rolling of bars and ten rolling mills for finish rolling of wires, wherein 1H to 3H racks roll by adopting a slotless form; 4V to 14V racks and No.15 to No. 24 racks roll by adopting a round/elliptical pass form; the 14V rack produces rolled pieces which are round bars of 24+/-0.5mm; the pass width of the No.15 rack is 32.1-32.3mm, and the pass height is 16.15-16.30mm. According to the production method disclosed by the invention, by meticulously designing pass parameters of all the passes prior to the wire finish rolling mills for the hot rolling of the phi-8 coiled reinforced bar, and controlling the size and the precision of incoming bars for wire finish rolling, the safety of a motor of the wire finish rolling mill is guaranteed; the elongation percentage is reasonably distributed by the wire finish rolling racks, so that the phi-8 hot-rolled coiled reinforced bars are rolled on the 24 racks. Compared with a mode of rolling by 26 racks in the prior art, the mode disclosed by the invention has the advantages that the consumption of spare parts and the production energy consumption can be greatly reduced, and the production efficiency is improved.
Owner:红河钢铁有限公司

Sleeve grouting material for reinforcing steel bar connection in winter construction and preparation method thereof

The invention discloses a sleeve grouting material for reinforcing steel bar connection in winter construction and a preparation method thereof. The grouting material mainly comprises the raw materials: cement, a mineral admixture, aggregate, a setting control component, an expanding agent, a water reducing agent, a defoaming agent, a corrosion inhibitor, a water-retaining agent, redispersible latex powder, a rheological stabilizer, an anti-freezing agent and the like, and is used for grouting connection of ribbed reinforcing steel bar sleeves of prefabricated building concrete prefabricated components in an environment of-10 to 10 DEG C. Under the low-temperature condition of fabricated construction in winter, the grouting material still has good hydration characteristic, can meet the requirements of related performance indexes in the industrial standard JG / T 408 'Sleeve Grouting Material for Reinforcement Connection' only through conventional maintenance without auxiliary heating, and has the properties of double expansion systems, good fluidity, low chloride ion content, early stage, high strength, no shrinkage and the like. The manufacturing method is simple, easy to operate and capable of meeting construction requirements.
Owner:BEIJING ACAD OF BUILDING ENG

Construction technology for paving and prepressing solar power generation road surface photovoltaic module board

InactiveCN110552279AEffective and durable bondReduce the probability of emptying the bottom of the photovoltaic modulePhotovoltaic supportsPaving detailsEngineeringExpansion joint
The invention discloses a construction technology for paving and prepressing a solar power generation road surface photovoltaic module board and belongs to the solar power generation road surfaces. The technology comprises the specific implementation step one of lower bearing layer road surface treatment; the step two of road surface washing and drying; the step three of wiring box groove formworksupporting; the step four of lower bearing layer road surface mixture primer painting; the step five of photovoltaic module bottom face mixture primer painting; the step six of photovoltaic module board paving and void detecting; the step seven of photovoltaic module board loading and prepressing; and the step eight of expansion joint and side joint treatment. The construction technology for paving and prepressing the solar power generation road surface photovoltaic module board has the beneficial effects and characteristics of being simple in flow, high in controllability and good in construction effect. The technology is remarkable in beneficial effect and suitable for being applied and popularized.
Owner:山东光实能源有限公司

Medical waste treatment device and manufacturing method thereof

The invention provides a medical waste treatment device and a manufacturing method thereof. A gating system is a cold runner point pointed gate pouring manner, single-point feeding is achieved, in order to shorten the length of the runner and ensure the injection molding liquidity of a material flow, a flange type positioning ring flange sleeve is adopted in a gate sleeve, a phi8mm round runner isadopted in a horizontal runner on a flowing plate in the runner system, a pointed gate sleeve independent embedding manner is adopted in a vertical runner penetrating a fixed mold plate, and the gatewater inlet diameter is phi1.2mm.
Owner:乌鲁木齐九品芝麻信息科技有限公司
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