35results about How to "Meet design standards" patented technology

The invention relates to a new glass-lined reactor and a manufacturing method thereof which are used in the chemical and pharmaceutical industries and belong to the field of pressure vessels. The reactor is characterized in that new inner cylinder bodies and new outer jackets are welded into an integral structure; glass-lined protection glaze layers are coated and fired on the surfaces of butt welds on the inner cylinder bodies and the outer jackets; and the Supervision Regulation on Safety Technology for Pressure Vessel is comprehensively realized. The manufacturing method is characterized in that a precisely controlled inner heated electric furnace formed by intelligent temperature program controllers/regulators/recorders is adopted to implement staged controlled firing and an integral firing process with jackets; and full-automatic glaze slurry spraying equipment and an electrical heating and temperature controlling insulating cylinder are adopted for manufacturing. The reactor and the manufacturing method have the following advantages: the reactor initiates and lays a foundation for that the manufacturing technology standards of the glass-lined reactors in China all realize the Supervision Regulation on Safety Technology for Pressure Vessel and initiates and lays a foundation for datamation and automation of the core technology of controlled enamelling; the integral quality of the reactor is obviously superior to the current national standard; the reactor steps and is developed to innovate and be ahead of the conditions that the international outer heated electric furnace iron billets have no alternative to secondary forming during manufacturing and the core technology of controlled enamelling has the defect of uneven heating; and the integral quality of the reactor is superior to the international leading level, therefore the reactor has global market competitiveness.

The invention discloses an assembly type energy-saving thermal-insulation composite wall board. The assembly type energy-saving thermal-insulation composite wall board comprises a middle thermal-insulation layer and a steel wire net frame, an inner wall layer and an outer wall layer are arranged on the two sides of the thermal-insulation layer respectively, the steel wire net frame comprises inclined insertion wires and steel wire net pieces, and the inclined insertion wires penetrate through the thermal-insulation layer and are fixedly connected with the steel wire net pieces arranged in the inner wall layer and the outer wall layer. The composite wall board has the advantages that the structural design is reasonable, mechanical production is completed inside a factory workshop, and no machining operation is needed during on-site construction; 2, the wall board is provided with the thermal-insulation layer and a thermal-insulation mortar layer, the thermal-insulation effect completely meets design standards, external wall thermal insulation is not needed, and the thermal-insulation mortar layer has certain strength and is used for installing a prefabricated door and window frame; assembly arms and an assembly bracket are designed to be matched with pits and protrusions arranged around the thermal-insulation layer, in this way, cold and thermal bridges are avoided, thermal resistance is increased, the thermal-insulation and energy-saving effects are improved, on-site lifting construction operation is simple, and the construction period is effectively shortened.

The invention discloses a six-unit cubesat main force bearing structure. The six-unit cubesat main force bearing structure is formed by means of the method that two three-unit cubesat main frames cooperate with each other through a connecting frame. The main frames are each of a cuboid frame structure, end covers are arranged at the two ends of each main frame in the direction of the long edge, and middle frameworks are arranged in the middles of the main frames. Four screws are arranged in each main frame and penetrate through the corresponding middle framework to be fixed to the end covers of the two ends of the corresponding main frame, and six hinges are arranged on the connecting frame and the two main frames. The assembly difficulty of a cubesat is lowered, and the integrity of innerlayout is improved. According to the six-unit cubesat main force bearing structure, the main frames are of an integrated structure and connected through the connecting frame making contact with the main frames in a large area so that the parallelism between guiding rails can be ensured, the six-unit cubesat main force bearing structure and a cubesat-rocket separating device are not jammed in launching, and successful launching is ensured.

The invention discloses a novel foldable container and an assembling method thereof. The foldable container comprises a rectangular underframe, hinges, corner columns, top-angle parts and a goods carrying platform, wherein each hinge comprises a fixed portion, a movable portion, a hinge pin and a lock pin, the hinges are fixedly connected to the corners of the underframe, the corner columns are fixedly connected with the movable portions of the hinges, the top-angle parts are arranged on the top of the corner columns, the goods carrying platform is formed by the corner columns and the underframe after the corner columns are folded towards the inside of the container along the hinges, and the distance between the axis of the hinge pin and the top surface of the goods carrying platform is larger than that between the axis of the hinge pin and the end face of the goods carrying platform close to the hinge pin. When the corner columns are vertical completely, the top-angle parts are parallel to the ground completely, and when the corner columns are folded, the end faces of the top-angle parts and the corner columns are not beyond the top surface of short corner columns. According to the novel foldable container and the assembling method, standards about containers are met, assembling difficulty is reduced and assembling quality is improved.

A forming method of a semiconductor structure comprises the following steps: providing a semiconductor substrate, a surface of the semiconductor substrate is provided with a stop layer, a surface of the stop layer is provided with a grid electrode film, partial surface of the grid electrode film is provided with a first mask layer, a surface of the first mask layer is provided with a second mask layer, wherein the second mask layer and the stop layer are made of the same material, and the first mask layer and the second mask layer are made of different material; forming a protection layer on a side wall surface of the first mask layer, and the protection, the second mask layer and the stop layer are made of the same material; etching the grid electrode film by using the second mask layer as a mask after the protection layer is formed until the surface of the stop layer is exposed, thereby forming the grid electrode layer; the size of the formed semiconductor structure is easily and accurately controlled, so the formed semiconductor device is stable in performance.

The invention discloses an assembly type insulating composite wall plate. The assembly type insulating composite wall plate comprises a middle insulating layer and a steel wire net rack, wherein an interior wall layer and an exterior wall layer are respectively arranged on two sides of the insulating layer; the steel wire net rack comprises steel truss connectors and steel wire meshes; the steel truss connectors penetrate through the insulating layer, extend to the interior wall layer and the exterior wall layer and are fixedly connected with the steel wire meshes arranged in the exterior wall layer; and the interior wall layer is a concrete layer. The assembly type insulating composite wall plate has the advantages that (1) the wall plate is reasonable in structural design, and is mechanically produced in a workshop of a plant, and processing operation is not required in field construction; and (2) the wall plate is provided with the insulating layer and an insulating mortar layer, the insulating effect completely conforms to the design standard, exterior wall insulation is not required, and the insulating mortar layer has certain strength and is used for mounting a prefabricated door window frame.

The invention provides a preparing method of 2Cr12NiMo1W1V blade surface Al coating, comprises the following steps: cleaning and drying the to-be-repaired blade, soaking the blade in a sodium hydroxide aqueous solution at temperature of 70-90 DEG C and concentration of 80-100g/l, reacting for 50-80min, taking out the blade, washing residual bath solution on the blade by using tap water, performing sand blasting on the blade surface by using white emery, checking defect of blade, and preparing new Al coating by using a manual coating mode. The method provided by the invention overcomes the problems that the size of the blade manufactured by using a machining method is out of tolerance and the acid pickling can corrode the substrate; the size of the blade is precisely guaranteed to meet the design standard, the reuse rate of the reworking blade is improved; the cleanliness of the blade surface is guaranteed, and the combining strength of the coating and the blade is improved; the blade repaired by the method is good in use effect, the corrosion resistance, the coating roughness and the combining strength meet the design requirements, the production cost is low, the operation is convenient, and the application prospect is wide.

The invention relates to a latticed-shell structure, in particular to a single-layered latticed-shell structure, more particularly, a node structure of a rigid single-layered latticed-shell structure, and belongs to the technical field of roof buildings. The node structure is characterized by comprising six hollow rod pieces (3) welded and fixed with seal plates (2), and the welding angle is adjustable. The node structure further comprises a bolt drum (1) adopting a hollow cylindrical structure, wherein a detachable cover plate (101) is arranged on at least one end surface of the bolt drum (1); six groups of bolt holes are uniformly distributed in the circumferential direction of the bolt drum (1); the seal plates (2) welded with the hollow rod pieces (3) are in bolted connection with the bolt drum (1) through the bolt holes; and the bolt drum (1) is further provided with an axial bolt (4) through which the cover plate (101) is in bolted connection with the main body of the bolt drum (1).

The invention relates to a cutting-suction hydraulic-fill/filling damming method for ash storage yards in power industry. The method includes the steps of treating a dam foundation and a dam abutment; laying a seepage pipe system on the dam foundation; installing an underwater ash delivery pipe system, an ash dredger and an overwater ash delivery pipe system according to a dam design drawing; building a plurality of hydraulic fill pond ridges on the dam foundation; making and delivering mud; filling a hydraulic fill pond; separating ash and water; mechanically tamping; and performing multilayer hydraulic filling to the hydraulic fill pond till filling of a dam is complete. The multilayer segmental hydraulic fill pond ridges are built first, a small cutter-suction ash dredger is used with a slurry pump to mix grey water and fly ash in an ash storage yard into slurry which is delivered to the hydraulic fill pond of the dam, an ash dam forms after ash and water separate and solidify, the dam solidifies for three-dimensional drainage, ash-water separation and solidification are fast, water waste is low, dam building speed is high, construction period is short, safety is high, waste is utilized, and service life of the ash storage yard is prolonged. In addition, lift is avoided, pollution is avoided, construction is environment-friendly and the method is highly applicable.

The invention relates to a semi-automatic torque coupling device in the field of a petroleum and gas well drilling device. The device is mainly composed of an upper shell, a protection device, a pressure transfer hole, a pressure sensing device, a stepping motor, a fixed rib plate, a transmission shaft, a seal device, a bypass hole, a spline shaft, a bearing, a lower shell and a spline leading-in body. In the drilling process, torque generated by a ground device is transmitted to a well bottom drill bit along a drill combination, the semi-automatic torque coupling device is mounted in the drill combination according to drill well design, an operator uses opening and closing of a motor in a drilling fluid remote control part so as to control the spline shaft to stretch out of or retract and be locked, torque connection and disconnection are achieved, the semi-automatic torque coupling device can effectively solve the pressure dragging problem commonly existing in the drilling process of complex structure wells of long horizontal segment horizontal wells, large displacement wells and the like, and the device has the important significance in further reducing sliding friction resistance between the drill combination and the well wall, improving the well hole smoothness and improving the drilling efficiency of the complex structure wells.

The invention discloses an underwater middle and long distance electric field communication system based on FSK modulation and demodulation, which is characterized in that an MCU is arranged at a transmitting end, adopts a 2FSK signal modulation and demodulation mode for communication and can transmit a serial port signal to an FPGA logic controller for signal modulation, and the modulated signal is subjected to digital-to-analog conversion and signal amplification and then is transmitted to an underwater channel through a transmitting electrode; signals emitted by the emitting electrode are received through the receiving electrode, are amplified, filtered and re-amplified in sequence, then are subjected to analog-to-digital conversion processing and then are input into the FPGA logic controller to be demodulated, the demodulated signals are transmitted into the MCU of the receiving end to complete communication, and the emitting end and the receiving end are respectively connected with a power management module. The system is suitable for communication between underwater communication equipment with small volume and low power consumption.

The disclosure relates to a magnetic ring, a cable structure, and an electronic device. The magnetic ring includes a volume-adjustable housing and at least one magnetic core adapted to the housing. The housing includes first and second shells rotatably connected at corresponding edge regions. The second shell and the first shell can perform an opening and closing movement based on the connected position to mount the at least one magnetic core when the housing is in an open state. In the disclosure, a volume-adjustable housing is used, so that the magnetic ring most effective for removing noisecan be configured for the cable by changing the specifications of the magnetic core, or the number or material, and the like, so that a cable product configured with the magnetic ring can meet the design criteria.

According to the assembly type broach, a split structure is adopted, the broach body and the blade are machined separately, the machining difficulty of hard alloy is reduced, the machining precision of the broach is improved, and meanwhile the material cost is reduced; secondly, the blade group is mounted on the cutter body through the positioning groove; a positioning key is additionally arrangedbetween the blade group and the cutter body; axial and radial positioning of the blade group and the cutter body is achieved through the positioning groove and the positioning key, mounting and dismounting of the blades and the cutter body are also facilitated, the broach is simple in structure, low in manufacturing cost and convenient to use, and the hard alloy profile finish broach structure has extremely high popularization value in mortise broaching and blade tenon broaching of engine disc parts.

The invention discloses a demonstration method of a power distribution network dispatching system, which adopts a communication data character string format to automatically generate a topological structure diagram, and does not need to edit a picture to process a graphical interface in a project implementation process; point alignment in the implementation process is not needed; when a power supply company needs to increase or reduce transformer area users, only hardware switches and matched connecting lines are added, graphs are automatically generated in the information transmission process, the users are increased or reduced, only simple configuration is needed, and point alignment and drawing are not needed; in the implementation process of a plurality of projects, topological structure diagrams are automatically generated, the problem that graphs and real wiring are different does not need to be concerned, and overall implementation is divided into two parts; the first part is to receive the number of all devices in a transformer area and relational data among the devices; the second part is to carry out drawing according to the relation data; and the method is visual and clear, accords with software architecture design standards, and saves cost.

The invention relates to a high frequency hydraulic power vibration tool. The high frequency hydraulic power vibration tool comprises a center shaft, an outer housing, a spring, a screw motor assembly, a valve seat, a conical valve, an upper cam, a lower cam, a rib plate and a connecting rod mechanism, wherein a mating spline is arranged between the center shaft and the outer housing to form an axial spline for sliding cooperation; the spring is mounted between the center shaft and the outer housing; the valve seat is fixed to the inner wall of the outer housing, and is located at the lower part of the center shaft; the rib plate is mounted between the conical valve and the outer housing, and is fixedly mounted on the outer housing; the conical valve can axially move along the rib plate; the upper cam is fixedly mounted in the conical valve; the lower cam is mounted below the upper cam and is limited axially; the lower cam and the upper cam form a cam transmission cooperation; and thelower cam is in transmission with a rotor of the screw motor assembly through the connecting rod mechanism. The high frequency hydraulic power vibration tool disclosed by the invention can completelymeet domestic drilling technology requirements of wells having complex constructions including straight wells, directional wells, lateral wells and the like, and is a novel tool simple in structure, convenient to operate, low in cost and safe and reliable.