9results about How to "High stress" patented technology

The utility model discloses a communication tower of integrated disaster monitoring function relates to communication tower technical field, this communication tower includes: single -tube tower body, be used to install communication equipment's communication antenna installation mechanism, set up in the upper portion of single -tube tower body, and above one layer's sensor installation assembly unit, interval setting along single -tube tower body and all be located communication antenna installation mechanism below, wherein, each layer sensor installation assembly unit includes more than one sensor installation assembly, more than one sensor installation assembly surrounds single -tube tower body arrangement, each sensor installation assembly can load disaster monitoring sensor, and its root can detachably connect to single -tube tower body, the utility model discloses integrated communication and monitoring function, and allow sensor installation assembly and single -tube tower body carry out integration, standardization design to improve structural reliability.

The application relates to a self-sensing connecting piece with embedded intelligent aggregate and a connecting system, the connecting piece comprising a steel pipe (1), high-strength concrete (2) and piezoelectric intelligent aggregate (3); the high-strength concrete (2) is arranged in the steel pipe (1), and the piezoelectric intelligent aggregate (3) is arranged in the high-strength concrete (2); the connecting system comprises the self-sensing connecting piece with embedded intelligent aggregate, further comprises a first component and a second component, and the self-sensing connecting piece with embedded intelligent aggregate is arranged in the first component and connected with the second component. Compared with the prior art, the application provides the connecting piece with sufficient tensile bearing capacity and shearing bearing capacity, which can self-sense damage, and long-term and accurate monitoring of the performance of the connecting piece can be achieved.

The utility model provides a crystal growth ingot furnace for silicon part belongs to ingot furnace technical field, including furnace body, the inside of furnace body is provided with the ceramic quartz crucible who has the rotation function, the outer surface of ceramic quartz crucible is provided with the fender, the outer surface of ceramic quartz crucible is provided with the heater for heating, the bottom of ceramic quartz crucible is provided with the crucible bottom plate, the bottom of crucible bottom plate is provided with DSS graphite block. The utility model discloses through hot field and ceramic quartz crucible all adopt circular structure, and the material utilization rate is compared with square structure, can promote three above -mentioned, ceramic quartz crucible can rotate, and the convection is better, and the impurity is not easy to concentrate, DSS graphite block and ceramic quartz crucible can decline, and ceramic quartz crucible is far from side heater after the crystal growth, and it is beneficial to the crystal growth of later period, and the upper heat -insulating cage and lower heat -insulating cage can move up and down, and it is more favorable to control temperature gradient, and increase the process window.

Provided is a burner arrangement (100) for producing synthesis gas by non-catalytic or catalytic partial oxidation of fluid or fluidized carbon-containing fuels in the presence of an oxidant and a moderator, comprising following assemblies: (a) means (104, 106, 108) for separately feeding three fluid reaction media streams or two fluid and one fluidized reaction media stream into a burner (102), (b) at least one burner (102), (c) outer wall of the at least one burner (102) is fluid-tightly connected to a burner mounting plate (118), (d) a reaction chamber (120), (e) the at least one burner (102) is insertable into the reaction chamber (120), and (f) outer wall of the at least one burner (102) and the side of the at least one burner mounting plate (118) facing away from the interior (126) of the reaction chamber (120) are designed to allow cooling by indirect heat exchange with a cooling fluid.

The present invention discloses a long-axis rotor storage device, including a base, a storage box, an adjustable support assembly, a turning mechanism, an air charging assembly, a pressure gauge, a box exhaust valve, and a breathing valve. The storage box is installed on the base, the adjustable support assembly is arranged inside the storage box and is slidably connected to the inner bottom surface thereof, the long-axis rotor is horizontally installed on the adjustable support assembly, the turning mechanism is installed on the base on one side of the storage box, one end of the turning mechanism is penetrated through the side of the storage box to the inside thereof and faces one end of the long-axis rotor, the turning mechanism and the air charging assembly are respectively connected to an air source A, the air charging assembly is connected to the inside of the storage box, the box exhaust valve and the breathing valve are installed at intervals on the upper part of the storage box and are respectively connected to the inside thereof, and the pressure gauge is installed on the storage box. The present invention also discloses a working method. The present invention solves the problem that precision equipment such as rotors are corroded and rusted in a humid environment and are difficult to preserve, and there is no need to specially set up a special storage site for it, thereby reducing storage costs.

The present invention addresses the problem of providing: a heat-bondable composite fiber which is capable of maintaining crimp stability even if high elongation remains, and which provides a nonwoven fabric with excellent bulkiness and shaping workability that enables following to a complicated shape or processing with a high fiber deformation stress; a method for producing this heat-bondable composite fiber; and a nonwoven fabric which uses this heat-bondable composite fiber. A heat-bondable composite fiber which comprises a first component that contains a polyester-based resin and a second component that contains a polyolefin-based resin having a melting point that is lower than the melting point of the polyester-based resin by 15°C or more, and which has an eccentric core-sheath structure wherein, in a cross-section of the fiber perpendicular to the lengthwise direction, the second component occupies the outer periphery of the fiber. This heat-bondable composite fiber has an elongation at break of 200% or more, a three-dimensional apparent crimp, and a crimp elastic modulus of from 85% to 100%.

The invention discloses a membrane concentration method for a dilute copper chloride solution, which comprises the following steps: selecting proper nanofiltration membranes and reverse osmosis membranes, reasonably matching and designing the number and position of the nanofiltration membranes and the reverse osmosis membranes, and then carrying out membrane concentration on the pretreated dilute copper chloride solution for multiple times. The copper chloride can be efficiently intercepted under relatively low membrane pressure, so that copper ions in a dilute solution of the copper chloride can directly enter an electrolytic deposition system to recover cathode copper after being increased from 0.5-3g / L to 20g / L or above, and the problems that the copper chloride is difficult to intercept by a nanofiltration membrane and the copper chloride interception pressure of a reverse osmosis membrane is high are solved; the problem of copper loss in cleaning water after acid etching is solved, and the purposes of protecting the environment, reducing cost and improving efficiency are achieved.

A production apparatus and processing method for thin-walled micro-pitch high-efficiency heat exchange tubes are disclosed, relating to the field of high-efficiency heat exchange tube production technology. The production apparatus of this invention includes a frame, a tie rod, a core head, a lead screw module, a servo motor, a claw plate, and a rolling head. One end of the tie rod is mounted on the frame and parallel to the bottom of the frame. The end of the tie rod away from the frame is connected to the core head. A servo motor is mounted on the end of the frame away from the tie rod. The output end of the servo motor is connected to the lead screw module. A claw plate is mounted on the lead screw module. The rolling head is mounted on the frame. The high-efficiency heat exchange tubes produced by the method of this invention are of great significance for energy saving, water saving, saving operating costs, and reducing reinvestment. They also have advantages such as low resistance, small size, and material saving.

The application relates to a silver-coated copper particle, a preparation method thereof and application of the silver-coated copper particle in sintering paste, and belongs to the field of sintering materials. The application solves the problem of high sintering temperature of high-temperature solder in the prior art. The silver-coated copper particle is prepared by a multi-step chemical synthesis method, that is, silver-coated copper particle suspension is prepared first, and then a silver complex solution, a second chelating agent solution and a complexing agent solution are used to realize gradient structure evolution of the silver layer from compact to porous by controlling the release and reduction rate difference of silver ions, the surface of the silver-coated copper particle has a multi-stage pore structure, the contact resistance between particles can be effectively reduced, the sintering starting temperature can be effectively reduced, the poor oxidation performance of copper particles is solved, the silver consumption is reduced, the manufacturing cost is reduced, the ion migration path length and the electromigration life are increased, the silver-coated copper particle prepared by the application greatly meets the requirements of the electronic packaging field for new welding materials, and has remarkable social and economic benefits.