118results about How to "Suitable for construction" patented technology

The present invention discloses a low elevation greenbelt rainwater regulation scheduling pool and a distributed rainwater regulation scheduling pool system. The distributed rainwater regulation scheduling pool system comprises a low elevation greenbelt (1), a rainwater overflow well (2) and a rainwater regulation scheduling pool (7), and water storage, drainage and supply which are integrated with a rainwater pipe network or a sewage pipe network are achieved. Compared with the prior art, rainfall runoff and flood detention can be effectively adjusted, runoff pollution can be reduced, and purification, storage and utilization functions of rainwater are fulfilled; and the system is tightly combined with the rainwater and sewage pipe networks of a city, the problems of urban inland inundation caused by rainstorm, the runoff pollution caused by rain wash, and rainwater resource utilization are solved, water storage is scheduled according to drainage ability of drainage pipelines, an important means is provided for sponge urban construction, and the system has outstanding social, environmental and economic benefits.

A wallboard seam processing technic belongs to the technical field of inner wallboard processing of building. The processing method is realized by that: a flute arranged at one side of a wallboard is internally affixed with rubber sponge with a certain thickness, the two sides of the rubber sponge are smeared with polymer sand pulp, and then the rubber sponge is abutting-jointed with a tenon of the wallboard or the side or the pillar of the wallboard as well as is tightly squeezed by force, so as to lead the rubber sponge to have a certain decrement; after that, the two sides of the seam are filled with elastic sealing compounds with a certain thickness, finally, the two sides of the seam are affixed with an anticracking gridding adhesive tape. The material in the seam of wall in the wallboard seam processing technic adopts elastic material, so as to solve the problem that generally appears and is hard to be settled of straight joint of slab joint caused by structural distortion or walling material drying shrinkage; furthermore, the rubber sponge adopted in the middle of the slab joint is made of fire resistant heat insulating material and can prevent a heat channel from generating among the slab joints, thereby having certain fireproofing performance. The invention is applicable to the slab joint processing of most of the inner wallboards such as a GRC board, a plasterboard, a hollow slat, etc. at the present time.

The invention discloses a rapid construction method for transverse partitioning and longitudinal sectioning of an urban elevated steel box girder bridge. The rapid construction method particularly comprises the following steps: firstly, determining longitudinal sectioning and transverse partitioning cutting parts, and then, determining longitudinal cutting parts of a steel box girder; transversely partitioning the box girder according to the number of box chambers of the steel box girder, wherein each box chamber serves as a partition; splicing a hoisting unit on a jig, assembling a bottom plate, a transverse diaphragm, a web and a top plate in sequence, and welding the structures; and finally, carrying out hoisting and welding on the site. The hoisting process is carried out from top to bottom in height, from two sides to middle span in longitudinal bridge direction, and from middle to two sides in transverse bridge direction. The rapid construction method disclosed by the invention is capable of reducing the on-site construction time to the maximum limit and reducing the influence on the urban environment; and by virtue of longitudinal sectioning and transverse partitioning, the requirement for the hoisting capacity of hoisting equipment can be reduced, the difficulty of transporting large-section box girders in a city is reduced, and thus the rapid construction method is more suitable for construction of the urban elevated steel box girder bridge.

The invention discloses an organic salt drilling fluid applicable to extended-reach wells.The organic salt drilling fluid comprises 1-4% of bentonite, 0.3-0.5% of sodium carbonate, 0.5-1% of sodium hydroxide, 0.3-1% of xanthan gum, 2-8% of filtrate reducer, 2-5% of nanometer plugging agent, 1-4% of plugging agent, 0.5-4% of lubricant, 40-60% of organic salt and 25-250% of inert weighting agent, wherein the nanometer plugging agent is formed by copolymerization of MAPOSS, N-isopropylacrylamide and acrylamide, the plugging agent is formed by copolymerization of N-isopropylacrylamide, acrylamide and N,N'-methylene diacrylamide, and the lubricant is formed by compounding of castor oil polyoxyethylene ether, polyethylene glycol and polyvinyl pyrrolidone.The organic salt drilling fluid applicable to the extended-reach wells has the advantages of excellent plugging performance, good lubricating property and rheological property and powerful rock debris carrying capability, thereby being particularly applicable to exploitation of the extended-reach wells.

The invention discloses an enclosing type deepwater platform construction method base on the condition of a sand backfilling balance method. The enclosing type deepwater platform construction method is characterized in that firstly, cofferdams of construction steel sheet piles are formed on the river bed surface, back covering concrete layers are formed in the cofferdams through underwater pouring, and sandy soil of which the height is greater than that of the back covering concrete layers of the outer sides of the cofferdams is sucked to the interior of the steel sheet cofferdams through dredging tubes so that height difference of sandy soil of the inner side of the steel sheet cofferdams and the outer side of the steel sheet cofferdams is reduced; water is extracted gradually in the steel sheet cofferdams and inner supports are installed sequentially, and temporarily stored sandy soil is hoisted out of the cofferdams so that surface layers of the back covering concrete layers are exposed; platform templates are arranged on the back covering concrete layers, and a platform template supporting system is formed by installing I-shaped steel between the steel sheet piles and the platform templates; and first layer platform concrete, concrete top beams and second layer platform concrete are poured in the platform templates in sequence, and sandy soil is backfilled between the steel sheet piles and the platform templates at the same time and the construction of platform concrete is completed. According to the enclosing type deepwater platform construction method, cofferdam platform is easy to construct on abrupt slope or deepwater sandy riverbed.

The invention relates to a method for improving wear-resistant anti-corrosion property of a coating of a heating surface of a boiler. A shot blasting technology is adopted for carrying out shot blasting treatment on a metal coating or a metal ceramic coating for obtaining a compact coating, porosity is reduced, permeability of corrosive atmosphere is reduced, and bonding strength, corrosion resistance and wear resistance of the coating are improved. The method for improving the wear-resistant anti-corrosion property of the coating of the heating surface of the boiler comprises the following steps: ash removal is carried out on the heating surface of the boiler sprayed with the coating by adopting compressed gas, and the surface of the coating is maintained to be clean; steel shots are adopted for carrying out shot blasting pretreatment on the surface of the coating by utilizing a sand blasting machine, large weakly bonded particles caused by poor atomization effect in a surface spraying process are removed; shot blasting treatment is carried out on the surface of the coating by adopting the sand blasting machine, and compaction is carried out on the coating, and the method for improving the wear-resistant anti-corrosion property of the coating of the heating surface of the boiler has the characteristics that a technology is simple and performance is obviously improved. Compared with the traditional electric arc spraying coating, a metal coating or a metal ceramic coating treated by adopting the method provided by the invention has low porosity and high bonding strength, and corrosion prevention and wear-resisting properties of the coating are improved.

The invention provides environment-friendly anticorrosive paint and a preparation method thereof. The environment-friendly anticorrosive paint comprises a main agent and a curing agent. The main agent is prepared from, by weight of 100 parts, 39-50 parts of low-viscosity solvent-free epoxy resin, 4-8 parts of diluents, 5-15 parts of toughening resin, 0.5-15 parts of toner, 10-40 parts of filler, 5-15 parts of low-viscosity epoxy ester resin and 0.5-1.5 parts of a thixotropic agent. The curing agent is modified amine resin.

The invention discloses an arc heater water leakage fault diagnosis system based on atomic emission spectroscopy. The air is heated by an arc heater and expanded and accelerated by an effuser to formhigh temperature air flow. The flow field spectrum formed by the arc heater is focused by a spectrometric compression film. The focused flow field spectrum is transmitted to a spectral measurement module through an optical fiber. The spectral intensity of the oxygen atomic characteristic spectrum and the spectral intensity of the background spectrum are measured by using the spectral measurement module and then the relative intensity is calculated. The relative intensity is compared with the intensity threshold by a data processing terminal, and the water leakage fault of the arc heater is judged according to the comparison result. When the judgment result indicates water leakage, power supply to the arc heater is disconnected. Rapid diagnosis of the low enthalpy arc heater water leakage fault can be realized so that safe operation of the heater can be guaranteed; and the operation state of the heater can also be monitored in real time so as to provide reference to analysis of the long-term operation stability.

The invention discloses a fire retardant coating of a super thin steel structure and a preparation method thereof. The fire retardant coating is prepared from the following raw materials in parts by weight: 30 to 40 parts of amino resin, 10 to 20 parts of megilp, 20 to 30 parts of APP (ammonium polyphosphate), 2 to 10 parts of titanium dioxide, 5 to 12 parts of melamine, 5 to 12 parts of pentaerythritol, 0.5 to 1.5 parts of bentonite, and 2 to 4 parts of chlorcosane. The related indexes of the fire retardant coating of a super thin steel structure meet the national standard, the toxic gas release does not exist in a work process, safety and environmental protection are realized, and the fire retardant coating can be widely used in various steel construction, two data of the surface dry time and the fire endurance thereof are superior to the national standard, the effect is obvious, and the great market value is achieved.

The invention relates to a production process of a fabricated lightweight inner partition board. The production process comprises the following steps: cleaning a die; coating and brushing die releasing oil; paving a bound reinforced cage and an embedded part in the die; pouring concrete, and vibrating the concrete; and performing surface finishing and die releasing maintenance after the concrete is fully vibrated; wherein the concrete comprises cement, silicon powder, ceramsite, crushed ceramics, glazed hollow bead, tackifier, a polycarboxylate superplasticizer and water. According to the production process, a lightweight material or physical bubbles are introduced into the above lightweight concrete, so that the volume weight of the lightweight board can be reduced to be 1000 to 1400kg/m<3>, and the intensity of the lightweight board is more than 8MPa; meanwhile, the concrete is outstanding in working capacity and applicable to construction; and in addition, various physical performance indexes of the concrete meet the lightweight board standard requirements.

The invention relates to anti-sagging light gypsum for a ceiling. The light gypsum comprises the following raw materials in parts by mass: 100 parts of calcined gypsum, 25-35 parts of glass beads, 75-85 parts of water, 0.2-0.5 part of a thixotropic agent, 0.2-0.6 part of an adhesive, 0.2-.05 part of a water retaining agent, 0.3-0.9 part of a water reduction agent and 0.2-0.5 part of a retarder. The light gypsum is prepared by composite means of overall grain composition optimization, appropriate additive proportioning, and the like, related problems in construction procedures of heat preservation on floors of different families can be solved, and the light gypsum which is capable of preventing sagging and has high bonding strength can be prepared, so that the light gypsum is very applicable to ceiling construction, meanwhile, has excellent heat preservation performance, thus is capable of greatly reducing building operation energy consumption, and can be applied to industrial production.

The invention discloses a management system for compound rainwater in a residential area. The management system comprises a rainwater hopper (1), a rainwater filtering device (2), a rainwater processing device (3) and a storage clean water tank (7), wherein the rainwater hopper (1) is arranged on a roof and is used for collecting the roof rainwater; the rainwater processing device (3) comprises a cylindrical separating bin, a spiral settling pond (4) and an absorbing plate (5); the spiral settling pond (4) is arranged at the bottom in the separating bin; the absorbing plate (5) is arranged at the center in the separating bin; the rainwater filtering device (2) is communicated with the spiral settling pond (4); water after entering into the storage clean water tank (7) and being treated is communicated with a domestic water pool (9) through a water pump (8). The management system for compound rainwater in the residential area integrates the functions of collecting, purifying, storing and dispatching rainwater and using rainwater for sprinkling green belt. The system has the advantages that the device volume is not large, the cost is low, the address selection and management are easy and the problem of shortage of urban domestic and fire-protection water is effectively solved.

The invention discloses a hydroelectric development ecological suitability evaluation method with water footprint taken into consideration. The particularity of a hydroelectric development project are comprehensively considered, a water footprint index is introduced and combined with an original social and economic index, and a traditional ecological suitability evaluation index system is improved. The method overcomes the defects that the relation between water resource utilization and human consumption activities is not taken into consideration in a traditional evaluation method, the human consumption activities are reflected through the water footprint, and the relation between the water footprint and the human consumption activities is established; compared with the traditional ecological suitability evaluation method, the method has the advantages that an evaluation result is more comprehensive and reasonable, and the hydroelectric development potential of an area can be reflected more truly.

The invention provides a coating for drinking water tube/container liners, a preparation method and a construction method, which can solve the problems in the prior art, such as toxicity and low construction efficiency, etc. The coating of the invention contains no solvent, and all the pigments and auxiliaries pass the FDA approval. Through detection, the products pass the BS6920 standard absolutely and can be safely applied to the drinking water duct liners. Meanwhile, the coating of the invention features rapid curing rate, convenient and fast construction and thick one-time forming film, and is extremely suitable for large-scale drinking water duct construction.

The invention discloses a water-retaining and cooling pavement material and an application thereof. The water-retaining and cooling pavement material is prepared from expanded perlite powder, cement, sepiolite powder, quartz sand powder, water-absorbent resin and a water reducing agent in an appropriate mass ratio. The water-retaining and cooling pavement material is applied to surfacing, and porous asphalt mixture or a porous cement concrete material with the void ratio of 20-30% is combined, so that finishing strength and performance of the pavement material are improved, and the aim of lowering temperatures of a pavement and a pavement surface is achieved.

The invention discloses an ultrathin weather-resistant fire retardant coating for a steel structure. The fire retardant coating comprises the following components: 24-30 parts of base resin, 17-23 parts of an intumescent flame retardant system, 8-15 parts of filler and pigment, 6-11 parts of auxiliaries, 17-22 parts of a solvent, 4-8 parts of modified nano-aluminum hydroxide and 1-3 parts of a plasticizer, wherein the intumescent system comprises components in parts by mass as follows: 8-10 parts of a dehydration catalyst, 5-7 parts of a charring agent and 2-4 parts of a foaming agent. The invention further designs a preparation technology of the ultrathin weather-resistant fire retardant coating for the steel structure. The preparation technology is simple, dense smoke and poison gas are not produced in the preparation process, and the prepared fire retardant coating has the advantages of environmental protection, ultrathin performance, weather resistance, fire retardance, durability, good fire retardant effect, low cost and good decoration performance.

The invention provides a mortar-free self-embedded masonry structure system and a building comprising the system. The mortar-free self-embedded masonry structure system comprises a plurality of standard building blocks, a plurality of corner building blocks, a plurality of mold plate building blocks, a plurality of corner mold plate building blocks and a plurality of half building blocks, wherein the building blocks are connected in a mode that grooves are matched with flanges. Reinforced steel bars can be preset into the building blocks and concrete can be filled so as to improve the integrality and the anti-seismic property of a wall body. Compared with the prior art, the system changes the geometric construction of the building blocks, the building blocks can be embedded into and fixed with one another in the transverse direction, the vertical direction or both directions, and mortar is not used in the construction process. As the building blocks are embedded into and fixed with one another, the speed in building the wall body is increased; ring beams and cross beams can be cast for the mold plate building blocks, so that additional mold plates are avoided. Because of the comprehensive factors, compared with a conventional building, the building system is fast in construction speed, low in manufacturing cost, relatively low in requirement on special skill of workers and is particularly applicable to construction of villages and small towns with underdeveloped economics.

The invention discloses a multi-layer aeration combined film body for performing heat preservation on a building. The combined film body comprises at least four layers of flexible films, wherein an inter-film layer is formed between every two adjacent layers of flexible films; aeration pipes connected with the flexible films are arranged in the inter-film layers; aeration side frames are formed by aeration pipes positioned at the peripheries of the inter-film layers; aeration ribs are formed by aeration pipes positioned between the aeration side frames; a space in each inter-film layer is separated into a plurality of communicated core part chambers by the aeration ribs and the aeration side frames which are positioned in the same inter-film layer; the aeration pipes are respectively communicated with an air tap; and the air tap is fixed on the combined film body. The combined film body is energy-saving and environment-friendly, has obvious heat-preservation and thermal-insulation effects, and the heat preservation performance of the building can be improved; and the combined film body is simple in manufacturing process and low in cost, and can be conveniently manufactured on a large scale, the building cost can be reduced, the manufacturing difficulty is reduced, and the combined film body is low-carbon, environment-friendly and renewable and can be recycled.

The invention discloses an asphalt polyurethane waterproof coating suitable for a cement base layer and a preparation method and application of the asphalt polyurethane waterproof coating. Raw materials of the asphalt polyurethane waterproof coating comprise asphalt, a compatilizer, a water removal agent, a catalyst, filler and a terminated polyurethane prepolymer, wherein the terminated polyurethane prepolymer is prepared through a reaction of a compound which is shown in a formula (I) and a polyurethane prepolymer, and the terminated polyurethane prepolymer contains no isocyanate-terminatedgroups; and the preparation method comprises the following steps: preparing the terminated polyurethane prepolymer firstly, and then mixing the terminated polyurethane prepolymer with the remaining raw materials so as to obtain the coating. The invention further discloses application of the waterproof coating in construction of an asphalt waterproof coiled material on the cement base layer. The waterproof coating has a safe preparation process, the coating can be coated directly on the cement base layer with high content of water when the coating is in use, and a reaction is performed betweenthe hydrolyzed coating with silicate in the cement, so that the bonding force on the wet base layer is improved; and excellent bonding strength can be formed between the coating and the asphalt waterproof coiled material, particularly a short time of surface drying and hard drying and moderate viscosity are achieved, the heating step before construction can be avoided basically, and on-site construction is facilitated.

The present invention discloses a system for implementing elastic permanent virtual connection and its method. The system includes successively-connected data layout module, elastic PVC module, signalling module and route module. It also provides the function of the above-mentioned every module, and said invented method is characterized by that the headend VPI and VCI values and terminal end VPI and VCI values are loaded into wideband high-layer information unit or wideband low-layer information unit, and the transparent transmission can be made in intermediate node so as to create the elastic permanent virtual connection.

The assembled capping beam construction safety protection integrated platform comprises a construction platform body, a guardrail is arranged on the top face of the construction platform body, and longitudinal channel steel and transverse channel steel are arranged on the bottom face. The transverse channel steel is fixedly connected with first telescopic rods through vertical positioning steel bars, each first telescopic rod comprises a groove-shaped rod section and a flat rod section, and the four first telescopic rods form a rectangular telescopic frame body through fastening bolts; secondtelescopic rods are riveted to the bottom faces of the first telescopic rods through first telescopic supporting arms, and the four second telescopic rods form a rectangular telescopic frame through fastening bolts. The first telescopic rod is riveted with a first hoop through a second telescopic supporting arm, and the second telescopic rod is riveted with a second hoop through a third telescopicsupporting arm. The double-hoop supporting structure is constructed, the concept of traditional hoop method capping beam construction is overturned, platform bearing is converted into transverse external pressure on the hoops, the static friction force between the hoops and the pier is greatly improved, the bearing capacity and safety of the platform are improved, and the platform is suitable forcapping beam construction of high piers.