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122results about How to "Fast construction and installation" patented technology

PVC foaming architectural decoration material and preparation technique thereof

The invention relates to a PVC foaming construction decorative material and a preparation technique thereof. The preparation technique comprises the following steps: PVC plastics which are waste and are screened and ground, calcium carbonate, a stabilizer, an antioxidant, a lubricant, a foaming agent, a modifier, a foaming modifier, a dispersing agent, a colorant and the like are added into a high mixing machine according to the weight in sequence, mixed for 5 to 10 minutes, then placed into a low-temperature mixing machine for 5 to 10 minutes when being heated to be 120 to 125 DEG C; discharging is carried out when the temperature is 35 to 45 DEG C; the obtained materials are extruded by a parallel conical twin-screw extruder, molded, cooled in vacuum, pulled, film-stuck, cut and inspected and then the finished product of foaming plastic product is obtained. The invention is applicable to families, hotels, offices and entertainments, is the most ideal home decorative material with environment protection and is also the most practical home floor material.
Owner:胡大忠

Hollow double-layer FRP pipe concrete combination structure

The invention relates to the concrete composite structure of a hollow double-deck FRP pipe, which is characterized in that the composite structure comprises an outer FRP pipe used as a lateral wall, an FRP barrel used as an inside wall and a steel and concrete composite layer or a concrete layer which is used as a fixed connector between the outer FRP pipe and the FRP barrel. The invention has good structural mechanical performance and earthquake resistance, which reduces the sole weight of the structure and strengthens the bending rigidity of the structure, thereby resulting in the convenient convey of the components and quick construction and installation; the invention is applicable to strengthen the modification works and in particular to be applied to the poles and bracing members of buildings, bridges and special structures in severe environment such as ocean, marsh, alkaline land, etc.
Owner:HEFEI UNIV OF TECH

Method for constructing tower crane foundation

The invention discloses a method for constructing a tower crane foundation. According to the technical scheme, the tower crane foundation is constructed by using a structure raft foundation. The method comprises the following steps of: determining the position of the tower crane foundation, excavating soil, constructing a foundation bed, constructing and plastering brick moulds, performing foundation water prevention, constructing a foundation water prevention protective layer, performing foundation setting-out, bundling foundation base plate lower steel bars, preembedding and assembling tower crane accessories; bundling foundation upper steel bars, assembling steel plate water-stop belts and templates, performing concrete construction on the tower crane foundation, roughening and performing water prevention treatment on concrete surface of the tower crane foundation and a structure raft. By the method, the construction process is simplified, the construction cost is reduced, and the tower crane foundation is integrated with the structure raft and stressed in a relatively balanced and safe mode.
Owner:华新建工集团有限公司 +1

Multi-split frame type energy-saving air conditioner system and control method thereof

The invention discloses a multi-split frame type energy-saving air conditioner system and a control method thereof. The multi-split frame type energy-saving air conditioner system is characterized in that a natural cooling condenser is respectively connected with a first evaporator, a second evaporator and a third evaporator at outside through a second electromagnetic valve, a fourth electromagnetic valve and a sixth electromagnetic valve; a refrigerant pump is respectively connected with a first condenser, a second condenser and a third condenser at outside through a first electromagnetic valve, a third electromagnetic valve and a fifth electromagnetic valve; the first evaporator is connected with the first condenser, the second evaporator is connected with the second condenser, and the third evaporator is connected with the third evaporator. The multi-split frame type energy-saving air conditioner system has the advantages that the application of single unit cabinets is supported, the application of parallel multi-split cabinets is realized, and the multi-split frame type energy-saving air conditioner system can be used as an alternative plan of modularizing machine room applications; the investment cost is low, the installation and construction speed is high, and the running efficiency is high.
Owner:SHENZHEN XBROTHER TECH

Low temp. floor radiation heating device and mfg. method thereof

The heating system includes the flexible tubes connected to the heating system and the thermal radiation templates composed of the thermal insulation layer and the heat-collecting zone made from light material. Several pieces of the thermal radiation templates are tiled along rows and columns. There are grooves on the heat-collecting zones. Two ends of the groove are leaded to sides of the thermal radiation templates respectively. The grooves are connected in series. The flexible tubes are setup inside grooves and concrete layers cover grooves. The thermal insulation layer is made from PVC foaming material. Adding the mixed material from cement 20úÑ, fluvial sand 15úÑ, perlite or polystyrene granules 67úÑ and building glue 3úÑ into the grooves makes light heat-collecting zones. The invention provides the heating system built from material with low cost, quick installation and low heat loss in transmission process.
Owner:顾世章

Integrated sewage treatment device

The invention discloses an integrated sewage treatment device, comprising an outer pool (1) which is divided into a pre-precipitation zone (2), an anoxic zone (3), a reaction zone (4) and gas stripping zone (5) from left to right by inserting plates (11); the outer pool (1) is provided with a water inlet pipe (7), a water outlet pipe (8) and a sludge discharge pipe (9); a?facultative?reaction module (14) is arranged in an anoxic zone (3); an aerobic reaction module (15) is arranged in a reaction zone (4); a gas stripping module (16) is arranged in a gas stripping zone (5); the upper parts of the aerobic reaction module (15) and the gas stripping reaction module (16) are provided with air pipes (12), which are connected with a fan (6); the lower part of the gas stripping module (16) is connected with the sludge discharge pipe (9), and the upper part of the gas stripping module (16) is provided with a mixed liquid return pipe (13); the mixed liquid return pipe (13) is connected with one end of a mixed liquor reflux tank (10); and the other end of the mixed liquor reflux tank (10) is connected with the facultative reaction module (14). The invention adopts a modular design with reasonable structure, so as to realize quick construction and installation, convenience for operation and maintenance and strong operability.
Owner:中节能国祯环保科技股份有限公司

High strength self-heat preserving hollow wall board and method of manufacturing the same

The invention discloses a high-intensity self-heat preservation hollow wall board and a manufacture method thereof. The existing heat preservation wall board is mainly characterized by compound heat preservation; a board material mainly takes a cement slag benzene-sandwiched board, is mostly used as an indoor partition wall board when being applied to a construction wall, and can not be used as an outer wall bearing board. The compositions of the high-intensity self-heat preservation hollow wall board are as follows: plant fiber powder, innoxious bond, additive, and firming agent; the weight portions thereof are as follows: 35 to 60 portions of plant fiber powder, 0.5 to 20 portions of innoxious bond, 10 to 25 portions of additive, as well as 0.1 to 5 portions of firming agent. The invention is used for the heat preservation wall board used for construction and a manufacture method.
Owner:王蕴生

Fully-fabricated reinforced concrete frame structure system

The invention discloses a fully-fabricated reinforced concrete frame structure system which comprises a basic connecting piece and an upper fabricated structure system. The upper fabricated structuresystem comprises a prefabricated combined joint, prefabricated columns and a prefabricated laminated main beam; and the prefabricated columns are arranged at the upper end and the lower end of the prefabricated combined joint, and the prefabricated laminated main beam is arranged at the side end of the prefabricated combined joint. According to the fully-fabricated reinforced concrete frame structure system, the seismic performance of a fully-fabricated reinforced concrete frame structure can be improved, the fully-fabricated property of the reinforced concrete frame structure is solved betterand faster, construction mounting is facilitated, and the working efficiency is improved.
Owner:胡习兵 +1

Prefabricated well with interceptor

The invention discloses a prefabricated well with an interceptor, wherein the prefabricated well is pressed by a polypropylene material for one time; four support arms oppositely extend at the upper part of the inner wall of a well chamber; bayonets are arranged on the support arms and are mutually embedded together with lug bosses of an extension arm of an interceptor fixing frame; a separator is arranged in the middle of the interceptor fixing frame; the prefabricated well also comprises a storm-water inlet joint water intake grate; and a tiled type water intake grate is embedded into a vertical type water intake grate to integrally form an L-shaped joint water intake grate. The invention has the advantages that the prefabricated well adopts the polypropylene material, is low in cost, convenient to promote and popularize, simple in structure, simple, convenient and fast to construct and install.
Owner:上海天予实业有限公司 +3

Low-intermodulation compatible type connection radio frequency socket and plug and operation method thereof

ActiveCN104577400AOvercome Contact NonlinearityLow intermodulation characteristicsEngagement/disengagement of coupling partsCoupling device engaging/disengagingElectrical conductorEngineering
The invention provides a low-intermodulation compatible type connection radio frequency socket and plug. The socket comprises an outer socket conductor, an inner jack conductor, a socket insulating support, an end face reed and a radial reed. The outer socket conductor is internally provided with an annular groove matched with and coupled to an outer plug conductor. The inner side of the annular groove is the front-segment tongue diameter, and the end face of the annular groove is a mechanical benchmark face. The front-segment tongue diameter and the mechanical benchmark face are designed to be of an integrated structure. The inner plug conductor in the plug is internally provided with an annular groove matched with and coupled to the outer socket conductor and an unlocking sleeve. The inner side of the annular groove is matched with the outer side of a socket-shaped groove in the radial direction, the satisfactory axial matching length is set, and the bottom of the annular groove is the mechanical benchmark face. According to the low-intermodulation compatible type connection radio frequency socket and plug, improvement is conducted on the mechanical benchmark face and electrical benchmark face separating design and contact outer conductor slotting design in the prior art, continuity of full-spectrum characteristic impedance and electric connectivity of a contact port are guaranteed, intermodulation interference and reflection coefficients are further lowered, and wider working bands and excellent return losses are achieved.
Owner:WUTONG HLDG GRP CO LTD +1

Construction method for wind tower foundation

The invention discloses a construction method for a wind tower foundation. According to the technical scheme adopted by the invention, the wind tower foundation is constructed by adopting a structural raft board foundation, and the method comprises the following steps: setting a wind tower foundation position, carrying out earth excavation, arranging a foundation pad, laying a brick tire model and plastering, waterproofing the foundation, constructing a foundation waterproof protective layer, setting out the foundation, tying up reinforcement under a foundation bottom plate, pre-embedding and mounting tower crane fittings, tying up reinforcement on the foundation, mounting a steel plate water-stop plate and a formwork, carrying out concrete construction on the wind tower foundation, and carrying out texturing treatment and waterproof jointing-rolling treatment on a jointing-rolling surface of the wind tower foundation and a structural raft board. According to the construction method, construction processes are simplified, and the construction cost is reduced; and the wind tower foundation is integrated with the structural raft board, so that the stress is more uniform and safer.
Owner:邵杰

Enterprise level mobile communication and wireless command scheduling switch

The invention relates to an enterprise level mobile communication and wireless command dispatching exchange, which comprises a main exchanging module, a signaling processing module, a digital trunk module, a subscriber loop module, a voice dispatching module, a synchronous clock module, a system self-checking module, a soft exchanging module, a secondary power source module, a system maintenance module and a value-added service module. The most advanced telecommunication mobile exchange and wireless communication technology are combined with the traditional enterprise level fixed telephone program controlling exchanging technology in the dispatching exchange, the obsolete enterprise fixed telephone communication networks is provided with the most advanced the wireless communication, the technical gap on special network communicating products with foreign enterprises is shortened, and free charged and convenient special network mobile communication service can be enjoyed by more enterprises.
Owner:BEIJING YULIAN XINTONG COMM TECH

A manufacturing method of a PVC marble-imitated plate

The invention relates to the technical field of stone plastic and particularly discloses a manufacturing method of a PVC marble-imitated plate. The method includes following steps of: smashing reclaimed materials of PVC products or templates to obtain a smashed PVC main material; adding ground calcium carbonate, precipitated calcium carbonate, a stabilizing agent, an ACR modifier, a CPE flexibilizer, titanium dioxide, stearic acid 1801 and paraffin into the PVC main material, mixing and stirring to obtain a mixture; adding the mixture into a twin-screw extruder, and extruding to obtain a PVC marble-imitated plate with a certain specification through an extrusion die head; cooling the PVC marble-imitated plate to obtain the formed PVC marble-imitated plate. The method is advantageous in that problems namely color fading and deformation, and the like, of stone plastic materials in traditional techniques are overcome; and the PVC marble-imitated plate has advantages of light weight, wear resistance, flame retardance, skid resistance, moisture resistance, and the like.
Owner:陕西金禾农业科技有限公司

Self-absorption plastic floor and manufacturing method thereof

The invention discloses a self-absorption plastic floor and a manufacturing method thereof. The thickness of the self-absorption plastic floor is 3-5mm; the weight of the self-absorption plastic floor in per square meter is 5.7-9.5 kg; the self-absorption plastic floor comprises a plurality of base material layers; a surface layer is arranged on the top of the base material layer on the top of the self-absorption plastic floor; an elastic slip-proof film is arranged on the bottom of the base material layer on the bottom of the self-absorption plastic floor; a plurality of projections with grooves are arranged on the bottom of the elastic slip-proof film; the heights of the projections are the same; the base material layers contain filling materials; the filling materials are one or more than one of barite powder, quartz sand or silica fume; and the base material layers contain PVC (polyvinyl chloride) and glass fibers. The self-absorption plastic floor is manufactured by preparing the base material layers, compounding the base material layers and gluing the surface layer and the elastic slip-proof film to the base material layers.
Owner:SHANDONG XINHAI NEW MATERIAL

Buried type glass fiber reinforced plastic integrated sewage treatment equipment and process

The invention belongs to the technical field of sewage treatment and in particular relates to buried type glass fiber reinforced plastic integrated sewage treatment equipment and process. The buried type glass fiber reinforced plastic integrated sewage treatment equipment provided by the invention is wholly buried into the ground and comprises a grid tank, a regulation tank, a hydrolysis-acidification tank, an MBBR (Moving Bed Biofilm Reactor) tank, an inclined tube sedimentation tank, an intermediate water tank and a clean water tank, wherein the grid tank, the regulation tank, the hydrolysis-acidification tank, the MBBR tank, the inclined tube sedimentation tank, the intermediate water tank and the clean water tank are sequentially arranged in series. According to the buried type glass fiber reinforced plastic integrated sewage treatment equipment provided by the invention, the sewage treatment amount reaches 10m<3> / d to 200m<3> / d; sewage is treated for 24h and a designed treatment water amount is 0.5m<3> / h to 10m<3> / h; the treatment capacity per year reaches a grade of ten thousand tons or more; the buried type glass fiber reinforced plastic integrated sewage treatment equipment has the advantages of simplicity in operation, reasonable structure, high treatment efficiency, low investment cost and low operation cost.
Owner:辽宁弘昊环境工程有限公司

Anti-rotation angle tower frame foundation and manufacturing method

The invention provides a steeliness anti-rotation angle tower frame foundation and a manufacturing method. The structure consists of a tower frame installation flange plate, a triangular cylinder foundation pile and an anti-rotation wing element; the tower frame installation flange plate is welded at the top end of the triangular cylinder foundation pile, the anti-rotation wing element is arranged at the vertical side part of the triangular cylinder foundation pile, the top end of the anti-rotation wing element is welded with the bottom of the tower frame installation flange plate, and the top part of the triangular cylinder foundation pile and the connection turning part of the tower frame installation flange plate are welded with stiffened plates. Compared with the prior art, the steeliness anti-rotation angle tower frame foundation overcomes the defects of the rotation of the round tube type rotation angle tower caused by uneven stresses when bracing wire as well as the long construction time and high construction cost when casting the rotation angle tower foundation. The invention has the advantages of simple structure, scientific design, easy construction, strong adaptability and the like, can be installed and used by piling in-situ without the need of evacuating further, is not limited to terrain and has no influence on nearby buildings, thereby having good promotion and application values.
Owner:山东省呈祥电工电气有限公司

FRP pipe-PHC pipe pile interlayer in-fill concrete combined structure

The invention discloses an FRP pipe-PHC pipe pile interlayer in-fill concrete combined structure. The FRP pipe-PHC pipe pile interlayer in-fill concrete combined structure comprises an FRP pipe serving as the outer side wall, a PHC pipe pile core pipe serving as the inner side wall and a concrete layer poured between the FRP pipe and the PHC pipe pile core pipe, and a hollow pipe pile is composedof the FRP pipe, the PHC pipe pile core pipe and the concrete layer. By means of the FRP pipe-PHC pipe pile interlayer in-fill concrete combined structure, due to the fact that the FRP pipe is wrappedon the outer side of the PHC pipe pile core pipe, the corrosion resisting performance of the structure is improved; and in addition, the FRP pipe and fill concrete are wrapped on the outer side of the PHC pipe pile core pipe, transverse constraint is then applied to the core concrete of the structure, the concrete is in a three-item stressed state, the bearing capability and the bending rigidityof the pipe pile are improved, expanding of a longitudinal micro crack of the pipe pile is relieved, and therefore durability and anti-seismic performance of the pipe pile are improved.
Owner:SHENYANG JIANZHU UNIVERSITY

Construction method of wind tower foundation

The invention discloses a construction method of a wind tower foundation. According to the technical scheme, a structural raft foundation is used for constructing the wind tower foundation, and the method comprises the steps that the position of the wind tower foundation is formulated, earth excavation is carried out, the foundation is cushioned, brick tyre model laying and plastering are carried out, the foundation is subject to waterproof treatment, the foundation waterproof protection layer is formed, the foundation is subject to paying off, reinforcing steel bar binding is carried out below a foundation bottom plate, tower crane accessories are embedded and mounted, reinforcing steel bars on the foundation are bound, a steel plate waterstop belt and a mold plate are mounted, the wind tower foundation is subject to concrete construction, and the connected rubbing face of the wind tower foundation and a structural raft is subject to texturing treatment and waterproof connected rubbing treatment. According to the method, the construction procedure is simplified, construction cost is reduced, the wind tower foundation and the structural raft are of an integral structure, stress is more balanced, and safety is achieved.
Owner:周子童

Automatic glass house

The embodiment of the invention provides an automatic glass house, which comprises a glass house and a power system, wherein the power system is fixedly installed; the glass house is supported or hung by the power system; and the whole of the glass house is driven to ascend or descend by the power system so that the disappearance or the existence of the glass house on the ground can be realized. The automatic glass house provided by the embodiment can realize the whole automatic ascending and descending of the glass house. In winter, summer or spring and autumn, the glass house can be operated and controlled to automatically ascend and descend at any time when being required; and the located region of the glass house becomes a wind shielding and rain shielding warm house, cool house or see-through shielding-free open garden platform.
Owner:XINJIANG TIANDI GROUP

Optical fiber pre-connecting piece and terminal box therewith

The invention discloses an optical fiber pre-connecting piece and a terminal box therewith. The optical fiber pre-connecting piece comprises pre-connecting joints and sealing sleeves; connection ports are arranged at joints and used for connecting optical fiber joints; the connection ports comprise core-inserting holes; optical fiber through holes form in the middle of the core-inserting holes; an oblique angle forms between the connection ports and the horizontal direction; the sealing sleeves are mounted outside the optical fiber joints; the pre-connecting joints are in connection with the sealing sleeves through clamping slots or screw threads. The pre-connecting joints of the optical fiber pre-connecting piece are mounted on the terminal box; pre-connecting optical fiber joints or quick optical fiber connectors can be directly mounted when the terminal box shell is not opened, and thus the piece and the terminal box can achieve plug and play, are saved in connection time, are convenient to quick mount and construct and are flexibly and quickly wired and changed on the site; besides the sealing sleeves can protect the pre-connecting joints and have the dust-proof and water-proof function.
Owner:NINGBO ZHANTONG TELECOM EQUIP INDAL

Decorative paper surface gypsum board and production method thereof

The invention relates to a decorative paper surface gypsum board and a production method thereof, which mainly solve the technical difficulties of the traditional paper surface gypsum board, such as single surface colour, large labor intensity of workers, low production efficiency, and long construction period. The technical scheme of the invention is that: the decorative paper surface gypsum board comprises a paper surface gypsum board which is used as a base body, wherein the decorative paper surface gypsum board also comprises decorative paper and surface adhering glue; the board surface of the decorative paper surface gypsum board is coated with the surface adhering glue, and the decorative paper is pasted to the board surface of the decorative paper surface gypsum board which is coated with the surface adhering glue and bonded with the board surface together. The production method comprises the following steps of: cleaning the surface of the paper surface gypsum board and putting into the feed end of a surface adhering machine, and meanwhile, installing the decorative paper on a bracket of the surface adhering machine; and spreading the surface adhering glue to a glue spreader, uniformly spreading the surface adhering glue to the board surface by the glue spreader, and meanwhile, pasting the decorative paper to the board surface by continuous rolling, and then solidifying for 24 hours to accomplish the glue adhesion of the decorative paper.
Owner:曹新春

Subarea design method for prefabricating assembled temporary road for enclosed building construction site

The invention discloses a subarea design method for prefabricating an assembled temporary road for enclosed building construction site. According to the invention, a traditional or current bidirectional mixed road design mode is changed, a cross section of a bidirectional mixed road is divided into four parts of independent road subareas, which are an empty lane, a heavy lane, a pedestrian auxiliary lane, and a water collection shoulder area, and the empty lane, the heavy lane, and the pedestrian auxiliary lane cannot be mixed. The empty lane, the heavy lane, and the pedestrian auxiliary laneare respectively connected and arranged along the road, and the water collection shoulder area is arranged at one side of the pedestrian auxiliary lane. A road plane composed of the empty lane, the heavy lane, and the pedestrian auxiliary lane orients the water collection shoulder area and inclined in a unidirectional mode. The designed road has concise and scientific road function, can integrallyoptimize the pavement structure, material amount per unit area and weight per unit area of the prefabricated pavement can be integrally reduced, and the usage cost of the prefabricated pavement during whole life cycle is reduced.
Owner:BEIJING TIANHENG CONSTR

Dam concrete steel formwork structure and construction and installation method thereof

The invention discloses a dam concrete steel formwork structure and a construction and installation method thereof. The steel formwork structure comprises a face plate and a truss assembly. The trussassembly comprises a first vertical bracing, a second vertical bracing and transverse bracings. The transverse bracings are in screw connection with the ends of the first vertical bracing and the second bracing through mounting plates to form a quadrangle structure. A plurality of inclined bracings are arranged at opposite angles of the quadrangle. Supporting legs are arranged below the first vertical bracing. Adjusting rods are arranged below the second vertical bracing. The adjusting rods are in screw connection with the mounting plates. A grid frame is arrayed on the side, close to the first vertical bracing, of the face plate. The grid frame is filled with a heat insulation material. The surface, far away from the first vertical bracing, of the face plate is coated with a release coating. The dam concrete steel formwork structure is simple, easy to adjust, stable and firm after installation in place, good in heat insulation effect and capable of adapting to pouring of concrete in different positions.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Trackless trolley for transferring reinforcing mesh sheets of rock-fill dam panels and construction method

The invention provides a trackless trolley for transferring reinforcing mesh sheets of rock-fill dam panels and a construction method. A plurality of walking tire devices are arranged at the bottom ofa trolley frame, and the walking tire devices are connected with the trolley frame through a lifting mechanism. A plurality of liftable hooks are further arranged at the bottom of the trolley frame.The construction method comprises the following steps that when the walking tire devices of the trackless trolley transfers the reinforcing mesh sheets on post-poured blocks, through the cooperation of the lifting mechanism and the liftable hooks, the height of the trolley can be adjusted to adapt to a construction site, the liftable hooks hangs the reinforcing mesh sheets, the reinforcing mesh sheets are transported to setting positions by using the trolley, when the arrangement of the reinforcing mesh sheets of a current row is finished, the trackless trolley is moved to another row, and theabove steps are continued; and the transferring of the reinforcing mesh sheets can be realized by above steps. The liftable walking tire devices are arranged, the trackless trolley can be adapted tothe quick hanging and mounting, transferring and quick in-place installation construction of the reinforcing mesh sheets when the panel thickness is varied during the construction of first-poured blocks and the post-poured blocks of the panels.
Owner:CHINA GEZHOUBA (GRP) FIRST ENG CO LTD +1

Detachable high-rise rescue device

The invention belongs to the field of security rescue equipment and particularly relates to a detachable high-rise rescue device. The detachable high-rise rescue device comprises a top blocking rod, a ball head connecting rod, center rods and a fixed base, wherein a plurality of center rods are arranged between the top blocking rod and the fixed base, and the top blocking rod is arranged at the upper part of the center rod at the top end; a plane is arranged on one side of the top blocking rod, and a fixed pulley is fixedly arranged on the other side of the top blocking rod; the bottom of the center rod at the bottom end is connected with the top of the ball head connecting rod, and a plurality of auxiliary fixing devices are arranged at the junction of the ball head connecting rod and the center rod; the auxiliary fixing devices are supported around the ball head connecting rod in a claw shape, a base is arranged at the bottom end of each auxiliary fixing device, and the bases and the fixed base are on the same plane. The rescue device can quickly and safely rescue trapped persons when a high-rise building has an accident and particularly has a fire, and can conduct an emergency rescue when the high-rise building has a fire or during an earthquake.
Owner:HUAZHONG UNIV OF SCI & TECH

Continuous annealing unit drying oven aluminized pipeline installation method

The invention particularly relates to a continuous annealing unit drying oven aluminized pipeline installation method. The method is characterized by comprising the steps of 1, optimal arrangement ofpipelines and supports; 2, segmented prefabrication of the pipelines; 3, welding and installation of the pipelines. According to the method, through the BIM technology, the arrangement of the pipelines and the supports is optimized, the optimal trend of the pipelines is determined, and the positions of the supports are precisely determined. By using the parameterization characteristics of a pipeline model, the pipelines are subjected to segmented prefabrication and then subjected to aluminizing treatment. During welding of the pipelines, the variety of welding rods is optimized, a positioningtool is made for pipeline assembly, and by using the one-side welding both-side formation technology, pipeline welding is conducted. During pipeline installation, a series of protective measures are adopted, it is ensured that the aluminized layers of the pipelines are not damaged. By using the installation method, the installation difficult of an aluminized pipeline is reduced, and the construction progress is expedited. The method as the advanced technology in the field of pipeline installation effectively solves the key technological problems during construction of the aluminized pipeline.
Owner:SHANGHAI ERSHIYE CONSTR CO LTD +1

Roof panel assembly and construction method thereof

The invention discloses a roof panel assembly and a construction method thereof. The roof panel assembly comprises a plurality of single roof panels; the roof panels comprise the first roof panels andthe second roof panel, the first roof panels are roof panels at the two ends of the roof panel assembly, and the second roof panel is a roof panel at the middle part of the roof panel assembly; and one end of each first roof panel is rotatably connected with the end of the adjacent roof panel, and the two ends of the second roof panel are rotatably connected with the ends of the adjacent roof panels. The construction method comprises the steps of assembling, slide rail installation, hoisting, paving and fixing. The roof panel assembly can be conveyed to the roof through one-time hoisting, andthe hoisting cost is saved; and in addition, installation and construction of the roof panel can be quickly completed, the procedure is simple, time-saving and convenient, the construction time and manpower are greatly saved, the construction difficulty is reduced, the number of needed constructors is greatly reduced, and potential safety hazards existing in aerial work are avoided.
Owner:GUANGZHOU JISHI CONSTR GRP

Preparation method for novel decorative door

The invention discloses a new decorative door fabrication method. Transparent front and back Acrylic decorative plates are machined into a door-shaped structure; surface treatment is processed on the front and back Acrylic decorative plates; after that intermediate filler is injected through high pressure pouring into a frame which is composed of a wooden frame, the front and back Acrylic decorative plates; after cooling, oval muting bars are embedded into the lateral surfaces of the Acrylic decorative door; and finally the Acrylic decorative door is packed to obtain a finished product. The pattern, the color and the decorative design of a stoving varnish film, a PVC film or a transfer printed film of the decorative door can be diversified. The decorative door is nice-looking in appearance, with a smooth surface and strong crystal basso-relievo stereoeffect. The decorative door has strong market competitiveness and is luxurious and is not needed to be painted at site. The new decorative door mutes and insulates noises and is waterproof, dampproof, light in weight, high in strength, easy to process and simple and quick to install and can save cost.
Owner:朱春生

Water supply pipeline pressure test process

The invention discloses a water supply pipeline pressure test process. The process comprises the steps of pressure test preparation, pipeline pressure test water injection, pipeline pressurization, standing observation and pressure test device dismounting. The pipeline assembly has the beneficial effects that the pressure gauges are installed on the main water pipe, the branch water pipes and the branch water pipes correspondingly so that the pressure values of all the pipelines of the whole pipeline assembly can be monitored, the accuracy of the monitored pressure values can be ensured, connecting pieces used for being connected with the pressure gauges do not need to be additionally installed on the pipelines, and rapid construction and installation are facilitated; the exhaust valve is installed at the water outlet end of the branch water pipe with the highest horizontal height, the stop valve is installed at the position of a pipe opening connected with the exhaust valve, air in the pipeline assembly can be exhausted in the water injection process, meanwhile, when water flows out of the exhaust valve, it is indicated that the pipeline assembly is filled with water, and then the branch water pipe can be plugged through the stop valve. And water injection cleaning is carried out on the pipeline assembly after pressure testing, and it is ensured that residual objects in the pipeline are cleaned up so that the pipeline can be delivered to a user for use.
Owner:中铁建设集团机电安装有限公司 +1

Building decoration plate dry-hanging connection system and construction method

The invention discloses a building decoration plate dry-hanging connection system and a construction method. The system comprises a plurality of dry-hanging keels (302) which are horizontally arrangedand are parallel to one another, and a decoration plate layer which is formed by mutual splicing of a plurality of decoration plates (401), wherein each decoration plate (401) is in dry-hanging connection with the adjacent dry-hanging keel (302) on the inner side of the decoration plate (401) through a dry-hanging connecting piece. Every two adjacent decoration plates of the system share one keelto be connected, namely a back bolt type single keel connection structure is formed, so that 50% of keel materials are saved, and the weight of an outer wall hanging plate is greatly reduced; and thetransverse distance between each decoration plate and each dry-hanging keel is within 20 mm, so that the thickness of the decoration plate layer is greatly reduced, and the space is saved.
Owner:BEIJING EVEREST GREEN BUILDING TECH
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