33results about How to "Simple laying process" patented technology

The invention, which belongs to the technical field of ship construction, discloses a leakage guiding device for a B type enclosure system of an LNG ship. The device comprises a flow guiding mechanism, guiding tubes, lap plates and a supporting mechanism. The flow guiding mechanism includes a plurality of guiding plates with guiding slots; the multiple guiding plates are connected in an end-to-endmanner on the upper surface of an insulating layer of an LNG ship B type enclosure system to form an annular liquid collecting tank; and the annular liquid collecting tank and an LNG ship collectiondevice are communicated through the guiding tube. The every two adjacent guiding plates are connected by a transition plate; the lower surface of the flow guiding mechanism is connected with the uppersurface of the insulating layer of the LNG ship B type enclosure system; the two sides of the flow guiding mechanism are connected with an anti-splash screen through the lap plates; and the upper surface of the flow guiding mechanism is connected with a bottom plate of an LNG ship liquid cargo hold by the supporting mechanism. The flow guiding mechanism can guide the leakage LNG out of the gap between the liquid cargo hold and the anti-splash screen timely, thereby preventing the accumulation of lots of LNG effectively and protecting the structures of the liquid cargo hold and the anti-splashscreen from being damaged by the LNG.

The invention relates to an upper pocket block for argon blowing of a continuous casting tundish. The upper pocket block comprises an upper pocket block body, ventilation ceramic rods, a gas chamber and a gas inlet pipe. The middle of the upper pocket block body is provided with a vertically through upper pocket mounting hole, the ventilation ceramic rods in circularly uniform arrangement and the circular gas chamber are arranged in the upper pocket block, the gas chamber is positioned at the bottoms of the ventilation ceramic rods and communicated with the ventilation ceramic rods, and the gas inlet pipe is connected to the side of the gas chamber. When argon is blown in, an annular gas curtain shield is formed around the upper pocket to perform gas washing on molten steel about to enter the upper pocket, floating and removing of slag inclusion are facilitated, the problem that slag is whirled away by eddies at the upper pocket under the low liquid level condition of the tundish is solved, and consequently cleanliness of the molten steel is improved while molten steel remained in the tundish is reduced.

It relates to the close binding of the bottom plate and the base of equipments in installation and maintenance. The screw adjusting method for basic overlay plate goes like this: a. overlay plate processing by welding a piece of steel plate for each of the four corners of the selected qualified flat overlay plate with holes in the middle of the steel plates. B. determining the height mark. c. inspect the basics by eliminating the original secondary grout blanket with the backbone of the first layer exposed and the distance between the lower surface of the flat overly plate and the original concrete layer 120-180mm. d. install the overlay plate by welding the angle steel to the backbone of the basics and welding the bolts on the flat overly plate after positioning based on the technical specifications of the flat overlay plate. E. installs the equipment. It can work a lot of work with simple process and within short time.

A grid cloth floor heating pipe comprises grid cloth, floor heating pipe bodies and fixing clips, wherein the floor heating pipe bodies are laid on the grid cloth in a zigzag manner; the fixing clips are mounted in the extending direction of the floor heating pipe bodies at intervals; the floor heating pipe bodies are fixed on the grid cloth; the grid cloth floor heating pipe is laid in a floor heating. The invention further discloses a grid cloth quick-release floor heating and a mounting method thereof. Therefore, factory prefabrication modularization of floor heating materials is realized to facilitate transportation and mounting, the mounting efficiency of the floor heating is improved obviously, and the service efficiency and life of the floor heating are further improved and prolonged.

A method for distributing distributed optical fiber sensors, which belongs to the technical field of road detection, to solve the problems of long construction period, difficult slotting, poor fixing effect of sensors and difficulty in guaranteeing backfilling effect existing in laying sensors on asphalt pavement . The present invention comprises the following steps: A, respectively installing fixed seats restricting axial movement at both ends of the existing distributed optical fiber sensor, and coating the surface of the distributed optical fiber sensor with thermoplastic colloid material; B, applying the existing road surface Carry out slotting and expand the notches at both ends of the slotted road surface to ensure that the fixing seat is smoothly installed into the groove of the road surface; The mixture is filled into the groove of the road surface, and the thermoplastic colloid material coated on the surface of the distributed optical fiber sensor is melted due to high temperature, so as to fill the gap around the distributed optical fiber sensor. The invention is applicable to the detection of asphalt pavement.

The invention relates to a three-layer-timber-structure solid wood floor. The three-layer-timber-structure solid wood floor is characterized in that a middle plate and a panel are sequentially arranged on a bottom plate, the middle plate is formed by splicing at least two floor blocks, the texture of timbers between neighboring floor blocks is criss-cross, and an included angle is arranged between the timber texture direction of the bottom plate and the timber texture direction of the floor block of the middle plate. Meanwhile, the three-layer-timber-structure solid wood floor is simple in pavement technology. Neighboring square floors are connected through U-shaped metal buckles. Keels do not need additionally arranging, and materials and manpower are saved to provide convenience for disassembling, assembling and maintenance in the future. A fixing mode is a dynamic fixing mode, and no matter a solid wood floor expands or contracts in the using process, the solid wood floor can automatically digest and absorb stress deformation of expansion and stress deformation of contraction, and accordingly the problems such as deformation and cracking can not happen in the using process of the solid wood floor.

The invention discloses a preparing method for a cable embedded composite material shell. The preparing method comprises the following steps that firstly, a heat insulation structure is manufactured;secondly, the shell is manufactured through fiber wet process winding; thirdly, cable pavement is conducted; and fourthly, demoulding is conducted. A cable cover is not needed for pavement of a cableon the shell, the passive mass of the shell is reduced, the cable pavement technology is simplified, and the machining efficiency is improved. The cable is embedded between carbon fiber composite material layers of the shell, the cable can well adapt to stress deformation of the shell, the two outermost sides of the cable are filled with light foam materials, and the structure coordination of a winding layer is guaranteed.

The invention discloses a method for floor decoration, which includes the following steps: mixing self-leveling mortar with water by the ratio of 5:1, churning up the mixture, applying the mixture evenly on the ground to form a bottom layer, coating the bottom layer with a shaping layer, and finally mixing solvent-free epoxy resin with curing agent according to the weight percentage of 2:1 and spreading the mixture on the shaping layer with a trowel to form a wear-resistant and transparent surface layer. The method of decoration has the advantages of safety, environment-friendliness, no seam,various shapes, easy revamping and rapid construction.

Disclosed are a cold-coating asphalt paved on an anti-skid wear-resistant road surface, and a preparation method and use thereof. The cold-coating asphalt comprises a part A and a part B. The part A is prepared from the following components in parts by weight: 10-30 parts of asphalt, 10-30 parts of active modifier and 10-60 parts of reactive resin; the part B is a curing agent; and the weight ratio of the part A to the part B is (1-5):1. According to the cold-coating asphalt, the petroleum asphalt, the reactive resin and the active modifier are used as the part A and the part A is prepared into a homogeneous-phase liquid mixture; and the curing agent is proportionally added into the part A to prepare the cold-coating asphalt which does not need hot stirring in construction. The cold-coating asphalt can be used as a new material in place of the conventional hot-stirring asphalt for repairing and reconstructing road surfaces and paving high-strength thin functional road surfaces, such as high-anti-skid road surfaces, wear-resistant anti-greasy-dirt road surfaces, draining road surfaces and the like.

The invention relates to a combined floor slab, a building and a construction method, comprising an upper steel plate and a lower steel plate, a plurality of columns are fixed between the upper steel plate and the lower steel plate, a concrete slab is poured on the upper surface of the upper steel plate, and a concrete slab is embedded in the concrete slab There are multiple rows of truss structures, and the truss structures are fixed with the upper steel plates. The combined floor slab of the present invention is light in weight and convenient for later installation of pipelines.

The invention relates to a heating layer for a megawatt wind turbine blade auxiliary mould and a manufacturing method thereof. The heating layer comprises at least one heating area, wherein each heating area comprises 5-15 nanometer carbon heating films, a temperature-controlled box, a power supply and a plurality of copper nets; each nanometer carbon heating film is provided with a plurality of small holes; each nanometer carbon heating film is paved on an inner structural layer of the blade auxiliary mould; each copper net is paved between adjacent nanometer carbon heating films; electrodes are arranged at two ends of each nanometer carbon heating film; two electrodes are respectively connected to the temperature-controlled box by power lines; a temperature-limiting line and a temperature-sensing line pre-embedded in each nanometer carbon heating film are connected to the temperature-controlled box; the power lines of the nanometer carbon heating films are in parallel connection with the temperature-controlled box; the temperature-controlled box is used for controlling the temperature of the corresponding heating area; the temperature-control box for each heating area is connected to an externally connected power supply; and all power supplies are in parallel connection and then are connected to a main power line. The heating layer for a megawatt wind turbine blade auxiliary mould can be used for ensuring that the blade auxiliaries are uniformly heated in the process of being solidified in the blade auxiliary mould. The heating layer for a megawatt wind turbine blade auxiliary mould can be widely applied to the field of wind power.