32results about How to "Reduce transportation and installation costs" patented technology

A segmental tube section structure having a length and a circumference, the segmental tube section structure including a plurality of tube segments extending the length in a longitudinal direction of the segmental tube section structure and extending in a circumferential direction of the segmental tube section structure, wherein each tube segment of the plurality of tube segments extends in the circumferential direction to span an equal arc of the circumference of the segmental tube section, and wherein each of the plurality of tube segments are connected to adjacent tube segments of the plurality of tube segments in the circumferential direction to form the segmental tube section structure.

The invention discloses pipe gallery prefabricated members and a prefabricated comprehensive pipe gallery. The pipe gallery prefabricated members comprise groove type prefabricated members. Each groove type prefabricated member comprises a web plate, a wing plate, internal reinforcing steel bars, connecting and sealing structures and longitudinal stress structures, wherein the connecting and sealing structures and the longitudinal stress structures are arranged at the two ends of the web plate and the wing plate; the height of the web plate meets the use requirement of the pipe gallery; the transverse side of the wing plate comprises a reinforcing steel bar reserved end; the connecting and sealing structures are plug-in structures, and the longitudinal stress structures are prestress steel cable connecting structures, or the connecting and sealing structures and the longitudinal stress structures are cast-in-place structures. According to the plug-in structures, prefabricated member are connected through the convex and concave plug-in structures in the longitudinal direction. According to the prestress steel cable connecting structures, a prestress steel cable passes through a prestress steel cable hole to be in prestress connection with the longitudinally matched prefabricated members. According to the cast-in-place structures, the prefabricated members are connected through the reinforcing steel bar reserved ends and then poured with concrete. The pipe gallery is assembled through the prefabricated members. Both the structure completeness and convenience of transportation and installation of the prefabricated members are achieved, the pipe gallery is stable in structural strength, convenient to transport, low in transportation and installation cost and flexible to assemble.

The invention provides a semi-submersible type floating fan base and a floating fan. The floating fan base comprises at least three stand columns, a stand column connecting structure and a supporting stand column, wherein the stand column connecting structure is connected with the lower ends of the stand columns to integrate the stand columns and the stand column connecting structure into a whole; the supporting stand column is arranged in the center of the floating fan base and used for supporting a tower, a cabin, blades and a wind generating system of the fan; and the cross sectional area of each stand column gradually grows large from a preset position underwater to top. The floating fan comprises the semi-submersible type floating fan base, the tower, the cabin, the wind generating system and the blades, wherein the tower is mounted on the supporting stand column of the semi-submersible type floating fan base; the cabin is mounted on the top of the tower; and the wind generating system and the blades are mounted at the front end of the cabin. According to the semi-submersible type floating fan base, the structure and the movement performance of the floating fan are improved, and production cost and installation cost are reduced.

A boiler system and methods for heating a fluid are disclosed, in particular for heating water for producing steam. The boiler comprises an economizer module integrated on the top of a furnace, and is in communication with the furnace to receive heat and / or hot combustion gases therefrom. The economizer comprises tubes receiving the fluid, such as feedwater, to be pre-heated and providing it to the furnace comprising a combustion chamber producing heat and hot combustion gases. The fluid is pre-heated by circulating first through the pre-heating tube assembly of the economizer module before entering the furnace module where the fluid is further heated by the combustion chamber. Since the economizer is located on the furnace module, the boiler does not have a large footprint compared to a regular boiler system without an economizer. Due to the total integration of the economizer with the furnace, the boiler system has improved energy efficiency.

A segmental tube section structure having a length and a circumference, the segmental tube section structure including a plurality of tube segments extending the length in a longitudinal direction of the segmental tube section structure and extending in a circumferential direction of the segmental tube section structure, wherein each tube segment of the plurality of tube segments extends in the circumferential direction to span an equal arc of the circumference of the segmental tube section, and wherein each of the plurality of tube segments are connected to adjacent tube segments of the plurality of tube segments in the circumferential direction to form the segmental tube section structure.

A segmental tube section structure having a length and a circumference, the segmental tube section structure including a plurality of tube segments extending the length in a longitudinal direction of the segmental tube section structure and extending in a circumferential direction of the segmental tube section structure, wherein each tube segment of the plurality of tube segments extends in the circumferential direction to span an equal arc of the circumference of the segmental tube section, and wherein each of the plurality of tube segments are connected to adjacent tube segments of the plurality of tube segments in the circumferential direction to form the segmental tube section structure.

The invention relates to the technical field of assembled frame buildings and discloses an assembled type steel-concrete mixed frame structure based on a laminated beam and a construction method. Thestructure comprises a section steel concrete laminated beam, section steel concrete hollow columns, a column connecting seat for connecting upper and lower adjacent section steel concrete hollow columns and a core node connecting device for connecting the section steel concrete laminated beam and the section steel concrete hollow columns; the section steel concrete laminated beam comprises a prefabricated beam shell, a beam core section steel and beam rib frame fixedly pre-buried in the prefabricated beam shell, and a beam cast-in-situ layer; each section steel concrete hollow column comprisesa piece of column core section steel, a prefabricated column shell wrapped outside the column core section steel, a column rib frame positioned in the prefabricated column shell, and sealing end plates positioned at the upper end and lower end of the section steel concrete hollow column; the core node connecting device comprises a connecting sleeve and a connecting steel beam. According to the invention, the laminated beam and the laminated columns are mainly adopted, the hoisting difficulty of the prefabricated component is small, and the integrity of the frame is good.

The invention discloses a concrete gravity type foundation applied to ocean engineering and an installation method thereof. For solving the problems of high construction difficulty and high transport and installation costs of the conventional concrete gravity type foundation, the concrete gravity type foundation comprises a concrete gravity type foundation pedestal, a foundation tray and a guide pipe; and a grouting pipe is arranged in the guide pipe, and the outer wall of the guide pipe is provided with a plurality of grouting holes communicated with the grouting pipe. The concrete gravity type foundation is simple in structure and convenient to install; the requirement of natural bearing capacity can be met by adjusting the size of the foundation tray; and the installation cost can be effectively reduced by using integral hauling on the water. The concrete gravity type foundation is suitable for deep sea areas, can be used as a foundation of a wind generating set tower, a tide generating set tower or the like, and is particularly suitable for a soft soil foundation.

The invention relates to the technical field of fracturing operation devices for oil-gas field development and discloses a foldable sand tank for oil / gas well fracturing. The foldable sand tank for oil / gas well fracturing comprises a top-layer sand storage tank body, a second-layer sand storage tank body and a sand leaking tank body which are sequentially and detachably connected from top to bottom, and the top-layer sand storage tank body, the second-layer sand storage tank body and the sand leaking tank body are each of a detachable structure. The problem that an existing sand tank is inconvenient to transport is solved. Compared with the prior art, the foldable sand tank for oil / gas well fracturing has the beneficial effects that 1, a tank body structure is detachable and convenient to transport and install, one sand tank can be transported just through two trucks, installation is completed within one day, and the cost of transportation and installation is greatly reduced; 2, the foldable sand tank achieves the dual functions of sand storage and continuous sand supply, and the highest sand discharging speed reaches 8 m<3> / min; and 3, a special sand breaker and a fence are installed on the top of the foldable tank, sand breaking is achieved without manual assistance by people, and the safety risk is greatly reduced.

The invention discloses a multi-tackle arrangement method for a steering field, comprising the following steps: step 1, determining the position of the steering field according to the positions of a traction field and a tension field, and measuring a steering angle alpha; step 2, determining the number of tackles in the steering field according to the steering angle alpha; and step 3, determiningthe positional relationship of each tackle according to the steering angle alpha and the number of tackles. After the steering angle is determined, the number of tackles can be quickly determined andthe relative position of each tackle can be further determined, so that when the steering field is arranged, only a small number of individual tackles need to be carried, which significantly reduces the transportation and installation costs. The steering field can be arranged flexibly and normatively according to the actual steering angle. On the premise of meeting the requirements of special terrains in mountainous areas, the envelop angles of the tackles are equal, and the tackles are stressed uniformly, so that the operational safety of the steering field is improved, and the tackles and cables are effectively protected.