31results about How to "No empty drum" patented technology

The invention relates to walls, roof surfaces, and stilt floor slabs of industrial and civil buildings, in particular to a construction method for control insulation layers of step type equal height insulation laths. The invention is characterized in that the step type equal height insulation laths are connected on a base course wall through bonding agent to form reference control, then a polyurethane hard foam insulation layer is spray coated and a slurry material insulation layer is applied between two step type equal height insulation laths, so as to realize the effective control of the layer thickness and the overall thickness of the insulation layers. The polyurethane hard foam insulation layer is spray coated according to the height of a first step H1 of the step type equal height insulation laths, and the slurry material insulation layer is applied according to the height of a second step H2 of the step type equal height insulation laths. The width of the step type equal height insulation laths is 70 to 120 mm. The invention has the advantages that the application of the step type equal height insulation laths realizes the effective control to the thickness of the two insulation materials in the construction process; after the polyurethane hard foam insulation layer is spray coated, the surface is not required to be finished, thereby the labor intensity is reduced, the working time is saved and the environment pollution caused by construction waste generated by finishing the surface is reduced; the insulation layers have good insulation integrity and consistent thermal performance, edge joints and a hot bridge effect of large thickness insulation layers of EPS, etc. can be avoided, and the high efficiency and the energy conservation can be realized.

The invention discloses a bonding method of a flexible veneer. At present, a construction technology for novel external wall veneer materials in the market basically follows the construction technology of tile veneering. Small-size veneers are adopted for being bonded, and the construction technology has the defects that veneers are prone to bulging to form cavities inside and falling, low in strength, low in construction efficiency and the like. When the size of a veneer material is larger than 1.22 m *2.44 m, the construction technology cannot be used conveniently. According to the bonding method, the flexible veneer is wound through a reel and then is bonded to a wall, the purpose of bonding the large flexible veneer material to the wall at a time is achieved, the bonding method has the advantages that the bonded veneer material is compact, firm, free of bulging cavities, flat, high in construction efficiency and the like, the problems that an existing bonding method is prone to forming bulging cavities and falling, low in strength, low in construction efficiency and the like are solved, and the common quality problems such as bulging cavities, falling and unflatness are avoided.

The invention relates to a construction method for preventing crack of an infilled wall. The infilled wall comprises an inner wall and an outer wall. The method is characterized by comprising the following steps of: a, constructing the infilled wall; b, embedding a tie bar; c, suspending a hot dip galvanizing steel wire gauze; d, spraying bonding agent; e, paving fiberglass mesh; f, plastering mortar in a layering way; g, coating and polishing a putty layer; and h, painting paint, wherein the paint adopts emulsion paint which can be different according to design requirements and is painted for three times by a brush. The construction method for preventing crack of the infilled wall has the advantages that: the construction steps are reasonable in design, simple in operation, and safe and reliable in construction quality; and the infilled wall has no delaminating, hollowing, ash blasting or cracking.

The invention relates to the field of building exterior wall fireproofing, insulation and decoration, in particular to a grade-A fireproofing, insulation and decoration integrated combined hanging board of a building exterior wall. The hanging board comprises middle frames, a panel is connected outside each frame, and an insulation board is connected inside each frame; each frame is fixedly hang on the outer wall through an adjustable fixing part. The single hanging plate which is integrated and assembled into a small-unit independent bearing structure in factories and mounted on site via dry-hanging mode is a novel exterior wall fireproofing, insulation and decoration combined material. The hanging board has the advantages of small size, light weight, low cost and good fireproofing effect.

The invention discloses a carbon fiber reinforcement technology for corrosion and protection of a petrochemical device. The carbon fiber reinforcement technology comprises the following steps of step one, pretreating the inner surface of a pipe wall defect, and polishing the surface of a substrate until no attachment exists; secondly, performing filling and leveling treatment on the defect part by using a repairing agent; thirdly, fully filling a part where the repairing agent is fully filled and the surface of periphery pipe body with epoxy resin glue; fourthly, winding carbon fiber composite material cloth at a part where the epoxy resin glue is fully filled. The carbon fiber reinforcement technology disclosed by the invention has the characteristics of good sticking property, no layering and no hollowing and cracking in the process that a repairing material is repeatedly used for a long time; in addition, the galvanic corrosion resistance between the repairing material and the pipeline can be guaranteed by the reinforcement technology disclosed by the invention; meanwhile, the carbon fiber reinforcement technology also has the characteristics that technical steps are simple, the repairing material is good in curing effect and the like.

The present invention relates to a calcium-increased type mortar blending material, its preparation method and application method. Said mortar blending material contains (by wt%) 69-89% of fly ash, 0.5-1.5% of anhydrous sodium sulfate, 0.05-0.2% of silane coupling agent, 0.03-0.07% of triethanolamine, 10-30% of quicklime powder, 0.005-0.1% of building cured adhesive powder, 0.01-0.02% of polyvinyl alcohol powder and 0.01-0.05% of lignocellulose. Besides, said invention also provides the concrete steps of its preparation method and application method.

The invention provides a construction method of an insulating and waterproof integrated system for a foam concrete roof. The method comprises the following steps: 1, pouring foam concrete according to gradient, average thickness and energy-saving technical indexes required by design to finish construction of a slope finding and insulating layer of the cast-in-situ foam concrete; 2, dividing the slope finding and insulating layer of the cast-in-situ foam concrete into a plurality of paved regions, pre-paving one of the paved regions, pouring polymer cement glue onto the paved region, coiling a bearing waterproof roll on a sleeve, and pushing the sleeve to enable the bearing waterproof roll to be tightly attached to the polymer cement glue, the overlap joint of the bearing waterproof roll between two adjacent paved regions to be tightly adhered through the polymer cement glue, and construction of a polymer cement glue bonding layer and the bearing waterproof roll layer to be finished; and 3, pouring anti-crack mortar on the bearing waterproof roll layer to finish construction of an anti-crack mortar protecting layer. The construction method provided by the invention is short in construction work period, small in roof load and good in waterproof and insulating effect.