177results about How to "Shorten the cycle time" patented technology

The invention discloses a long tunnel fast construction process. The tunnel construction method in the direction from the entrance to the exit and the tunnel construction method in the direction from the exit to the entrance are the same and each construction section is respectively constructed from back to front. The construction process is as follows: 1, excavating construction at an initial construction section, the process is as follows: performing advance geology forecast, determining the excavating construction method for the current construction section, excavating and primary supporting; 2, excavating construction at the next construction section; 3, repeating the step 2 for multiple times until the construction tunnel is through, wherein in the tunnel construction process, found water seepage areas are timely subjected to draining treatment, and the secondary lining construction is synchronously performed on the tunnel holes formed by excavating from front to back. The long tunnel fast construction method is reasonable in design, simple and convenient in construction, safe in the construction process, short in construction process and fast in construction progress, thus effectively solving the defects and shortcomings such as large equipment investment, long construction period and slow construction progress of the existing long tunnel construction.

The invention discloses solar silicon wafer two-in-one automatic loading and unloading equipment, which is characterized in that a loading module and an unloading module are respectively located at two sides of a lifting platform, a transferring module is arranged above a discharging port of the loading module and a feeding port of the unloading module, the lifting platform is butted with a feeding and discharging end of main equipment along a Y moving direction of a carrier plate, the discharging port of the loading module and the feeding port of the unloading module respectively correspond to two sides in the X-direction of the feeding and discharging end of the main equipment; the lifting platform comprises an upper discharging station and a lower feeding station, the upper discharging station is butted with the discharging port above the feeding and discharging end of the main equipment in the Y-direction, and the lower feeding station is butted with the feeding port below the feeding and discharging end of the main equipment in the Y-direction; the unloading module comprises CCD detection module, an eliminating device and a lamination structure; and the lamination structure enables dropped silicon wafers to be neatly stacked by using a principle of automatic positioning of an oblique plane, thereby enabling the silicon wafer to be directly stacked into a block shape so as to be convenient for being directly packaged and transported, and greatly improving the product packaging efficiency.

Disclosed is a stacking and unstacking machine for transferring pallets for autoclaved aerated concrete products. The stacking and unstacking machine comprises a rack, a horizontal traveling mechanism, a vertical lifting mechanism and a gripping mechanism, wherein the horizontal traveling mechanism is disposed on the rack; the vertical lifting mechanism is disposed on the horizontal traveling mechanism; the gripping mechanism is disposed at the lower end of the vertical lifting mechanism; the horizontal traveling mechanism can drive the vertical lifting mechanism to move horizontally; the vertical lifting mechanism can drive the gripping mechanism to ascend or descend; the gripping mechanism is used for gripping and releasing the transferring pallets; the vertical lifting mechanism comprises a winding drum and four steel wire ropes which are wound on the winding drum; one end of each steel wire rope is connected with the winding drum, and the other ends of the steel wire ropes are correspondingly connected with the four corners of a gripping rack in the gripping mechanism respectively; the winding drum is driven through a lifting driving device; four gripping hooks are disposed on the lower end face of the gripping rack; the four gripping hooks can simultaneously clamp or release the transferring pallets. The production efficiency is high, the maintaining cost is low, and the demand for automatic safe production can be met.

The invention discloses a logistics system and a working method of a dangerous goods transit warehouse, The logistics system of the dangerous goods transit warehouse comprises a warehouse management platform, a storage rack and an AGV mobile vehicle, wherein the AGV mobile vehicle is connected with a server through a wireless communication mode, and the communication server is connected with the warehouse management platform, and the warehouse management platform is arranged on a PC terminal for display; The warehouse management platform is used for monitoring and querying the running status of the warehouse and tracking the goods request status in and out of the warehouse. The invention realizes the synchronous completion of incoming and outgoing warehouse through the transmission speed of the transmission table on the transmission mechanism, cooperates with the round-trip time of the AGV mobile vehicle, and sets the buffer location mode to solve the problem of low turnover efficiencyof the dangerous goods warehouse.

The invention discloses a full-tail paste composite material and a preparation method thereof, which belong to the field of inorganic nonmetallic material. The composite material consists of the following raw materials in percentage by weight: 2.8 to 22.0 percent of gelling agent 1, 57.8 to 75.0 percent of filling aggregate 2, 14.8 to 24.8 percent of water 3 and the balance of coagulant 4 which is 10 to 30 percent of the weight of the gelling agent, wherein the filling aggregate 2 consists of full-tail sand 8, water granulated slags 9 or gravels 10; the gelling agent is continuously and uniformly added into a pasty sizing agent by a metering device 5; one end of the metering device 5 is connected with a coagulant container and a water tank, and the other end of the metering device 5 is connected with a section of small-diameter pipeline 6 on a filling main pipe; a one-way check valve 7 is arranged behind the metering device 5 to ensure the flow direction of the coagulant 4; and a small amount of gelling agent is added into the filling sizing agent, so that the setting time can be kept between 30 minutes and 1,200 minutes. By adopting the method, the setting time of the paste material can be adjusted, the cycle period of a slope is shortened, field operation is convenient, and a reliable effect is achieved. The method is suitable for all kinds of full-tail paste filling materials of metal mines.

The invention relates to an LDMOS (Laterally Diffused Metal Oxide Semiconductor) transistor, a semiconductor device and a manufacture method thereof, wherein the manufacture method of the LDMOS transistor comprises the steps of: forming a deep-doped well in a semiconductor substrate; forming an isolation structure in the deep-doped well, wherein the isolation structure is arranged between a source electrode and a drain electrode and is close to the drain electrode; forming a first ion doping area in the deep-doped well; and forming a second ion doping area in the deep-doped well, wherein a space is reserved between the first ion doping area and the second ion doping area. By forming the deep-doped well which has the same channel conduction type with the LDMOS transistor to be formed in the semiconductor substrate, the invention can obtain higher breakdown voltage.

The invention discloses a method for preprocessing coal tar. The method comprises the following steps of: mixing the coal tar and an extractant A in a mass ratio of 1:0.5-1:4, heating the mixture to the temperature of between 50 and 150 DEG C, and performing continuous centrifugal separation on the obtained mixed solution in a sedimentation type centrifuge to obtain soluble matters and impurity-containing extraction insoluble matters. The method has the advantages of good impurity-removing effect, high utilization ratio of the coal tar (over 96 percent), simple process, high automaticity, andlow labor intensity, and suitability for large-scale preprocessing of the coal tar and comprehensive utilization and deep processing of full-cut coal tar which is the byproduct in industries such as coal chemical industry, coal gasification industry and the like..

A seaming machine (10) comprises a cutter (4) for cutting suture line, a cloth press (20) for lifting compress foot (21), a pulse motor (13) driving the two devices, a ROM93 storing multiple rotation speed data (93c) defining the rotation speed of the pulse motor when the cutter cuts suture line, a rotation speed selector (as CPU91) for selecting the rotation speed data generating the drive torque capable of cutting suture line at least from the ROM, according to the suture line thickness input by a controller (98), relative to the drive voltage of a conchoids (81) driving a yarn change mechanism (80), and a drive controller (as CPU91) for controlling the rotary drive of the pulse motor according to the selected rotation speed data. The invention can optimize the rotation speed of the drive motor when cuts suture line to reduce rotation period.

The invention provides a pod-type water jet propulsion unit, which comprises an installation platform, a pod propeller bracket arranged at the lower end of the installation platform, a pod propeller cabin body arranged at the lower end of the pod propeller bracket, a pod propeller cabin body arranged at the pod propulsion The motor base in the cabin body, the motor installed on the motor base, the transmission shaft connected to the output end of the motor, the water jet propulsion pump installed on the transmission axis, the lower end of the pod propeller cabin is provided with an inlet, a side A spout is provided, a flow channel is formed between the inlet and the spout, and the spout is set facing the water jet propulsion pump, and the upper end of the installation platform is provided with a data transmitter and a hydraulic steering device. The present invention is on the basis of maintaining the advantages of the original water jet propeller, adding the bracket, cabin body, electric propulsion system and steering device of the pod propeller, thereby reducing the complicated mechanical transmission mechanism and reversing device of the water jet propeller, further The propulsion efficiency and operational performance of the thrusters are improved, the noise is reduced and the stealth performance is enhanced.

The invention discloses a roller bearing preload adjustment structure and method. The roller bearing preload adjustment structure includes: a roller bearing capable of being installed on a transmission shaft; a bearing seat supporting the roller bearing, and the bearing seat is installed in a box On the body, and the inner ring of the bearing seat is provided with an internal thread; the bearing lock nut is provided with an external thread that engages with the internal thread on the bearing seat, and the inner side of the bearing lock nut is in contact with the roller bearing the outer ring abutment. The roller bearing preload adjustment structure disclosed in the present invention adjusts the bearing lock nut when adjusting the axial positioning of the roller bearing. Since the bearing lock nut and the bearing seat are threaded, the bearing lock nut rotates One turn, forward or backward by one pitch, so as to ensure that the clearance and preload of the roller bearing meet the technical requirements, and realize the axial position adjustment of the transmission parts such as the gear on the transmission shaft. The use of grinding parts is reduced, and the adjustment can be realized only by rotating the bearing lock nut, which has high efficiency.

The invention relates to a Huangshan goldenrain tree tissue culture method. The Huangshan goldenrain tree tissue culture method comprises the following steps: (1) preparation of a Huangshan goldenrain tree leaf extracting solution; (2) primary induction culture: inoculating a Huangshan goldenrain tree stem explant on a primary induction culture medium for culture, wherein the primary induction culture medium is added with the Huangshan goldenrain tree leaf extracting solution; (3) secondary proliferation culture: inoculating a stem or a stem tip of a Huangshan goldenrain tree aseptic seedling obtained by the primary induction culture on a secondary proliferation culture medium in an aseptic manner for culture, wherein the secondary proliferation culture medium is added with the Huangshan goldenrain tree leaf extracting solution; (4) tissue culture seedling rooting: cutting a Huangshan goldenrain tree aseptic clump seedling obtained by the proliferation culture into individual plants and inoculating the individual plants on a rooting medium, wherein the rooting medium is added with the Huangshan goldenrain tree leaf extracting solution; (5) domestication and transplanting of test-tube seedlings. By adopting the scheme, the cycle time can be shortened by 15%, the cost can be saved by 20%, and the Huangshan goldenrain tree tissue culture method is applicable to factory production.

The invention relates to a heat processing method for improving axle yield strength by using continuous furnaces, belonging to the technical field of heat processing of axles of trains. The inventionprovides a heat processing method for improving axle yield strength by using continuous furnaces, which improves the comprehensive mechanical property of the heat processed axle and meets other technical indexes. The heat processing method comprises the steps of primary normalizing, secondary normalizing and tempering, wherein a normalizing furnace and a tempering furnace which are used in the heat processing are suspended continuous furnaces. The invention is applied to the heat processing of axles of trains.

The invention discloses a molecular sieve adsorption tower provided with heat transferring medium channels. The molecular sieve adsorption tower comprises vertical separator plates arranged in a adsorption tower container; space flow channels are formed by adjacent vertical separator plates, and a plurality of the space flow channels distributed at intervals are filled with a molecular absorbent, and are called as process gas channels; the rest space flow channels are taken as the heat transferring medium channels; the upper end and the lower end of the adsorption tower are provided with an upper process gas shell cover and a lower process gas shell cover respectively; the ends of the upper process gas shell cover and the lower process gas shell cover are provided with a process gas inlet and a process gas outlet respectively; two opposite side walls of the container are provided with an upper heat transferring medium shell cover and a lower heat transferring medium shell cover respectively; the ends of the upper heat transferring medium shell cover and the lower heat transferring medium shell cover are provided with a heat transferring medium inlet and a heat transferring medium outlet respectively; the process gas inlet and the process gas outlet are communicated with the process gas channels via the process gas shell covers respectively; and the heat transferring medium inlet and the heat transferring medium outlet are communicated with the heat transferring medium channels via the heat transferring medium shell covers respectively. The molecular sieve adsorption tower is provided with the heat transferring medium channels, so that the molecular sieve can be heated or cooled by the heat transferring medium, molecular sieve regeneration time and adsorption cycle period are shortened, and regeneration gas consumption is reduced.

The invention relates to the technical field of underground water and soil remediation, and discloses an underground water circulation well structure, and a repairing system and method. The system comprises a circulating well, a pumping well, an aeration pipe, an exhaust pipe, a dosing system and a tail gas treatment device. The circulating well comprises an outer well pipe and an inner well pipe which are sequentially arranged from outside to inside, the pipe walls of the upper end and the lower end of the outer well pipe are each provided with a plurality of screen holes, a separator is arranged between the inner well pipe and the outer well pipe and located between the first screen holes and the second screen holes, the aerator pipe extends into the lower portion of the inner well pipe, and the exhaust pipe is communicated with the top of the circulating well; and the pumping well is located near the circulating well, the well wall of the lower end of a pumping well pipe is provided with screen holes, and a pumping pipe opening in the pumping well pipe is slightly lower than the underground water level. The underground water repairing method is an operation method for carrying out remediation on a remediation site based on the remediation system. Based on the specific structure arrangement of the circulating well, underground water can achieve inside-outside three-dimensional circulation of the circulating well, the influence radius of the circulation can be enlarged in cooperation with the pumping well, and the repairing effect is improved.

The invention provides a fast cycle synchrotron with a homogeneous transverse beam current. The fast cycle synchrotron comprises a plurality of magnets, a magnet power supply, a vacuum pipeline, a beam current diagnostic unit and an ion extraction unit, wherein the plurality of magnets are used for synchronously accelerating ions, and the plurality of magnets comprises a two-pole magnet, a quadrupole magnet and a six-pole magnet; the magnet power supply is electrically connected with the magnets; the vacuum pipeline is configured to connect the plurality of magnets and limit moving trajectories of the ions; the beam current diagnostic unit is configured to monitor operating states of the accelerator and the beam current; and the ion extraction unit is connected to the vacuum pipeline, is used for extracting the accelerated ions and comprises a nonlinear multi-pole magnet arranged on an ion beam line, and the nonlinear multi-pole magnet is used for homogenizing the extracted beam current. The synchrotron adopts a full-capacitance energy storage magnet power supply technology, combines a multi-pole magnet transverse beam current homogenization technology, shortens the cycle period and greatly improves the average beam current intensity.

The present invention utilizes the processes of extraction rectification, liquid-phase adsorption, variable temperature purge desorption regeneration and methyl alcohol rectification to conveniently and high-effectively prepare high-purity methyl acetate with high value from industrial waste liquid (gas) containing methyl acetate, at the same time, said invention can obtain another main components in waste liquid (gas)-methyl alcohol.

The invention belongs to the technical field of thermochemical hydrogen production, and particularly relates to a thermochemical hydrogen production system based on microwave heating and a hydrogen production method and application thereof. A hydrogen production device is characterized in that an inlet of a preheater is communicated with a carrier gas storage device, a flow controller is arrangedbetween the preheater and the carrier gas storage device, an outlet of the preheater is respectively communicated with an inlet of the steam generator and one end of a second three-way valve through afirst three-way valve, the other two ports of the second three-way valve are respectively communicated with an outlet of a superheater and an inlet of the reactor, the reactor is arranged in a microwave generation device, an outlet of the steam generator is communicated with the outlet of the superheater through a pipeline, an outlet of the reactor, a condenser, a drying device and a collecting device are sequentially communicated, and a chromatographic instrument is arranged on the communicating pipeline between the drying device and the collecting device. The microwave pyrolysis of the metal oxide is short in heating time, low in power consumption and low in experiment cost, the repeated experiment period is shortened, and the effective energy utilization rate is greatly improved.

The invention discloses a design method of master/slave station cards for implementing Powerlink industrial real-time Ethernet communication. The master/slave station cards can be configured to be a Powerlink industrial real-time Ethernet communication master station card or slave station card. During the designing process, a kernel layer and an MAC layer of a Powerlink protocol stack are constructed inside an FPGA and a CAL driver is also constructed and is connected with the kernel layer. When the master/slave station cards are used, a gold finger is inserted into an upper computer main board CAL mother base and the upper computer operates the CAL interface driver and a user layer and an application program of the Powerlink protocol stack. According to the invention, with the high-speedserial differential signal CAL interface inside the Powerlink protocol stack, the high-speed transmission of over one hundred megabyte as well as the signal stability is guaranteed, the communicationrate is increased, and the cycle time is shortened, so that the communication real-time performance is improved.