17results about How to "Reduce processing needs" patented technology

The invention belongs to the technical field of water treatment, and relates to a method for removing new pollutants in water by using a far ultraviolet assisted sodium hypochlorite system. The method comprises the following steps: S1, adjusting the pH value of a to-be-treated aqueous solution containing new pollutants to 4-10; s2, adding a sodium hypochlorite oxidizing agent into the aqueous solution to be treated and continuously stirring; and S3, carrying out a reaction under the ultraviolet wavelength of 200 to 230 nm. Compared with the prior art, the method has the advantages that the far ultraviolet light source and the sodium hypochlorite are jointly applied, so that the oxidation capacity of the sodium hypochlorite is improved, meanwhile, the high-energy characteristic of far ultraviolet light is fully played, efficient photocatalytic degradation of new pollutants difficult to degrade is realized, and the overall water treatment efficiency is remarkably improved.

The invention discloses an automatic green brick mark cutting device and method for a continuous roller press, and the device comprises a continuous roller press body which is provided with a feeding end and a discharging end; the conveying device is mounted behind the discharging end; the green brick cutting machine is arranged on the conveying device; the green brick length measuring sensor is arranged on the conveying device; the controller is electrically connected with the continuous roller press body, the conveying device, the green brick cutting machine and the green brick length measuring sensor, data fed back by the sensor is received through the controller, position parameters of the green bricks needing to be cut are automatically calculated, and therefore the green brick cutting machine is driven to conduct accurate cutting. The uncertainty of manual processing is avoided, and the accuracy and efficiency are improved; due to the fact that the device can only cut off the green bricks with the marks instead of the whole green bricks, material loss can be reduced to a certain degree, and production cost is reduced. Manual intervention is reduced through automatic operation, the production efficiency is improved, and the production line can operate more stably and efficiently.

The present invention relates to an automatic control system for a milling and drilling compound machine tool based on double-ring buckle production, comprising a frame body, a processing component, a central control unit, a cooling device and an image acquisition component, wherein the frame body is used to support the frame body and the machine tool components, the processing component is arranged on the frame body, and is used to perform a milling and drilling compound process, the processing component comprises a cutter head for milling and drilling and a pressure sensor arranged at the upper end of the cutter head and capable of detecting the pressure borne by the cutter head, the image acquisition component is used to perform image acquisition of a workpiece to be processed and the processing component located on the processing component, the central control unit is connected to the processing component and the image acquisition component respectively, and can determine the current rotation speed and feed speed of the cutter head according to the pressure detected by the pressure sensor, and re-determine the re-determined feed speed through the detection result of an infrared imaging device. The present invention is more intelligent for the adjustment of milling and drilling processing.

The invention discloses household waste gas treatment equipment, and relates to the field of waste gas treatment, the household waste gas treatment equipment comprises a waste gas treatment bin, a control assembly is arranged on the waste gas treatment bin, and an auxiliary assembly is arranged on the waste gas treatment bin; the control assembly comprises a partition plate, the partition plate is fixedly connected to the interior of the waste gas treatment bin, the inner space of the waste gas treatment bin is divided into two parts by the control assembly, and the control assembly is used for controlling waste gas treatment components to treat and synthesizing treated waste gas. By controlling the rotating speed of the rotating shaft, the rotating shaft can be flexibly adjusted according to the actual situation, it is ensured that the treatment effect is always kept in the optimal state, the adaptability and stability of waste gas treatment are improved, and by controlling the rotating speed of the rotating shaft, the waste gas treatment efficiency is improved when high-strength spraying or cleaning is not needed. The rotating speed can be reduced to reduce energy consumption.

The utility model discloses a device for preventing a rubber sheet slitting knife from extruding rubber, which comprises a sliding block, a cutter, a double-shaft lead screw and a sponge block, the sliding block is connected onto an upper knife sliding rail seat in a sliding manner, the sliding block is connected with a fixing plate through threads, an upper guide bearing base plate is arranged on the fixing plate, and a lower guide bearing base plate is arranged on the upper guide bearing base plate. The main motor drives the fixing column to drive the upper cutter bottom plate base to rotate, the first motor drives the first lead screw to drive the first connecting block to slide up and down, multi-angle movement of the cutter can be achieved, and complex actual machining requirements are met; a second motor drives a double-shaft lead screw to drive a second connecting block to move left and right, and a sponge block on the second connecting block is used for cleaning a sizing material on a cutter, so that the practicability of the tablet press is improved; the emergency stop switch is connected with the main motor, the first motor, the second motor and the driving input of the slitting knife to serve as a power transmission structure of the device, the device is stopped by the emergency stop switch when glue extrusion occurs, and glue waste caused by glue extrusion of the slitting knife is prevented.

This application discloses an illumination rotation module arranged in a structured light super-resolution illumination microscopic imaging optical system. It includes a rotatable galvanometer with two parallel and opposite mirror surfaces arranged relative to a rotation axis intersecting the principal optical axis. M mirror groups, each comprising at least three mirrors, are arranged around the galvanometer. When the galvanometer is at an angular position about the rotation axis, linearly polarized light incident on the illumination rotation module is reflected sequentially through one mirror surface of the galvanometer, each mirror in a mirror group corresponding to the angular position, and the other mirror surface of the galvanometer. This causes the propagation direction and deflection direction of the linearly polarized light to rotate synchronously before exiting the illumination rotation module. This application also discloses a structured light super-resolution illumination microscopic imaging optical system.

The present invention relates to a method based on D 2 Terahertz phased array device of NNs and implementation method thereof. The phased array device includes an active modulation layer and a two-layer metasurface layer structure. The active modulation layer mainly includes patterned micro-nano metal electrodes and active functional materials, and the optical properties of the active functional materials are adjusted by applying an external voltage, so as to achieve a beam output with a specific phase distribution in the terahertz band. The metasurface layer is composed of a silicon pillar structure array located on the surface of the substrate. The two metasurface layers can finely control the complex electric field distribution of a specific diffraction plane to construct an optical diffraction neural network architecture. For each required control mode, the phase distribution of the metasurface layer is optimized using the gradient descent and back propagation algorithms in the neural network, and active control of a specific beam direction can be achieved under different voltage drives. The present invention solves the problems of terahertz phased array technology in terms of control accuracy, continuity, etc., and provides a more efficient and flexible beam control method.

A method of manufacturing a filter unit (100) for an air purifying respirator is disclosed, the method comprising the steps of: providing a sheet (20) of filter material; feeding a portion of the filter material to an open mold (11, 12) of the injection molding machine; closing the mould (11, 12) to cut the filter wall (112, 122) from the sheet (20); holding the filter wall in the mould (11, 12); forming a filter panel frame (111, 121) around the filter walls (112, 122) by injection molding a polymeric material onto the filter walls (112, 122); opening the mould (11, 12); and removing the filter panel (110, 120), the filter panel (110, 120) comprising a filter wall (112, 122) and a filter panel frame (111, 121) secured to the filter wall. A filter unit for an air purifying respirator is also disclosed.

The utility model relates to the technical field of brain imaging, in particular to a frequency-domain near-infrared spectrum measurement module and frequency-domain near-infrared spectroscopy device.The frequency-domain near-infrared spectrum measurement module comprises a detection unit and a processing unit, the detection unit is used for making direct contact with the head of a user, emitting detection light to detected tissue and receiving detection signals formed after being reflected by the detected tissue, and the processing unit is used for processing the detection signals; amplitude data and phase data of the detection signal are extracted, and the amplitude data and the phase data are sent to the processing unit after analog-to-digital conversion; and the processing unit is used for calculating optical parameters of the detected tissue based on the converted amplitude data and phase data, and wirelessly transmitting the optical parameters to the target main control unit. Amplitude and phase detection functions are completed by the front-end measurement module in advance, the use of a high-speed ADC and a mixer is avoided, the system complexity is reduced, signal transmission between the measurement module and the main control unit depends on wireless communication, excessive cable connection is not needed, and the brain activity monitoring system is suitable for brain activity monitoring requirements in a dynamic scene.

The utility model discloses a felt forming die. The felt forming die comprises a lower die assembly and an upper die assembly. The lower mold assembly comprises a lower bottom plate, a lower mold and a lower mold elastic block, the upper mold assembly comprises an upper mold, an upper mold pressing plate and an upper mold insert, and the upper mold insert is preferentially in contact with the lower mold elastic block to form dynamic fit during mold closing, so that the edge of a felt sheet is kept in a non-compressed state in the initial stage to freely flow, and the deep cavity forming tensile stress is reduced; and the molding depth is controlled by the stroke of the upper mold insert, and the bottom bulge is embedded with the lower mold elastic block groove to realize synchronous molding of deep cavity and shallow cavity characteristics, so that the multi-process requirement is reduced. The compression spring and the limiting rod cooperate to regulate and control material extension, and the wrinkle defect is restrained.

The utility model relates to water conservancy engineering technical field especially, more particularly to a water conservancy grating fixing device convenient to installation and dismounting, its technical scheme includes: the grating board is installed in the outer frame through the mutual clamping location limiting of limit strip and card slot, the inside of the nut of fixed part is equipped with threaded rod, the outer frame is equipped with first threaded hole, the outside of first threaded hole is equipped with first threaded groove, first threaded groove and first threaded hole are equipped with first threaded column, the grating board is equipped with second threaded hole, the outside of second threaded hole on the grating board is equipped with second threaded groove, second threaded groove and second threaded hole are equipped with second threaded column. The utility model has realized the stable connection between grating board and outer frame. Meanwhile, through the design of auxiliary connecting structure (such as threaded groove and threaded column), the strength of connection is further enhanced. This design not only simplifies the installation and dismounting process, but also improves work efficiency and safety.

The invention relates to the technical field of civil engineering and foundation pit supporting, in particular to a device and method for controlling upheaval of an underlying operation shield tunnel caused by foundation pit excavation. A device for controlling upheaval of an underlying operation shield tunnel caused by excavation of a foundation pit comprises a steel plate which is used for being inserted into a soil layer above an existing operation tunnel and bearing soil pressure to control upheaval of the tunnel when the foundation pit is excavated above the tunnel; and the supporting assembly is used for supporting the two ends of the steel plate and further improving the rigidity of the supporting system. The steel plate is inserted above the tunnel, the supporting assembly is combined for supporting, the brand-new tunnel deformation control method is formed, the method can effectively resist soil displacement in the excavation process, the upward floating amplitude of the tunnel is reduced, the stability of the tunnel structure in the construction process is ensured, and the method has good application prospects and is suitable for popularization and application. The defects in the prior art can be effectively overcome, and the tunnel protection technology has high economic benefits and social benefits.

The utility model discloses an integrated skid-mounted device for water treatment of a bleaching powder concentrate. The integrated skid-mounted device comprises a clear water branch, a sewage branch and a bleaching powder concentrate branch, a vacuum feeding pump, a stirring tank, a transmission pump, a clarified liquid storage tank and a bleaching powder dosing pump are sequentially arranged on the bleaching powder branch, and the dosing pump is connected with an external water plant dosing point. The weight of the high test powder added into the stirring tank is controlled through the vacuum feeding machine, and the amount of water added into the stirring tank is controlled through the clear water branch, so that the concentration of a high test powder solution finally formed in the stirring tank is controlled; the stirred high test bleaching powder solution is conveyed into the clear liquid storage tank to be stored, a new high test bleaching powder solution can be continuously prepared in the stirring tank, the medicine preparation process and the medicine adding process do not influence each other and are independently arranged, the efficient water treatment function is achieved, and the use requirement for all-weather preparation of the high test bleaching powder solution is met. The control management system provides higher efficiency, reliability and safety in the field of domestic drinking water engineering disinfection.

The invention relates to the field of centrifugal machines, in particular to a labyrinth sealing device in the field of centrifugal machines such as magnetic suspension centrifugal compressors and magnetic suspension centrifugal blowers. The labyrinth sealing device is provided with a base, tooth-shaped sliding blocks, a pressing plate, an elastic ring, an O-shaped ring, a rotating shaft and a chuck, the base is provided with an annular boss, the tooth-shaped sliding blocks are provided with grooves, the grooves of the tooth-shaped sliding blocks and the annular boss of the base are installed in a matched mode, and the four tooth-shaped sliding blocks are connected end to end to just form a whole circle. A gap between the outer diameter of the tooth-shaped sliding block and the base is filled with an elastic ring, and the elastic ring is in a pre-tensioning state; a floating gap is formed between the inner diameter of the tooth-shaped sliding block groove and the inner diameter of the base; a plurality of sealing teeth are arranged on the inner side of the tooth-shaped sliding block; the pressing plate is provided with two O-shaped ring grooves, and the pressing plate is fixed to the base after O-shaped rings are installed. Sealing teeth of the labyrinth sealing device are matched with the rotating shaft to form labyrinth sealing. When the rotating shaft is located in the center, the sealing teeth are also located in the position closest to the center, and the sealing gap is minimum at the moment. When the rotating shaft is in a static state or needs radial action, the sealing teeth slide along with the rotating shaft in the radial direction without affecting normal movement of the rotating shaft. According to the labyrinth sealing device with the sealing teeth capable of floating in the radial direction, the gap between the sealing teeth and the rotating shaft in the operation process of centrifugal machine equipment is reduced to the maximum extent, the gas leakage amount of labyrinth sealing is effectively reduced, and therefore the energy efficiency level of the equipment is improved, and energy consumption is reduced.

The invention belongs to the technical field of organic synthesis, and provides a method for preparing an odorless cross-linking agent BIPB through condensation reaction, which comprises the following steps: step 1, adding tert-butyl hydroperoxide into a reaction kettle, and adding a catalyst into the reaction kettle at room temperature for dehydration reaction; step 2, adding alpha, alpha '-dihydroxy-1, 3-diisopropyl benzene into a reaction kettle, and carrying out condensation reaction to obtain a reaction material; step 3, washing, separating and filtering the reaction material obtained in the step 2 to obtain an organic phase solution; and 4, carrying out vacuum flash evaporation drying on the organic phase solution obtained in the step 3, and cooling and solidifying at room temperature to obtain the BIPB. According to the method for preparing the odorless cross-linking agent BIPB, the prepared BIPB product is high in content and purity, almost white in color and capable of being directly used, the production process is greatly shortened, and the production cost is reduced.

The present application belongs to the technical field of biomass gasification, and particularly relates to a method and system for preparing SAF synthetic gas based on a bubbling fluidized bed. The system comprises, in sequence, a bubbling fluidized bed gasifier, a cyclone separator, a hot catalytic filtration-reforming integrated device, a reconfigurable dry deep purification unit, and a water gas shift and CO2 removal and recycling unit. At least two layers of gasification agent nozzles are arranged on the axial sides of the freeboard area of the gasifier. The reconfigurable dry deep purification unit is provided with a plurality of switchable adsorption beds, and is configured with an online analysis and program control system based on synthetic gas impurity fingerprints. The water gas shift and CO2 removal and recycling unit is provided with a CO2 return pipe for conveying part of the removed CO2 to the freeboard area. The present application can long-term and stably output synthetic gas meeting the requirements of a SAF synthetic catalyst by means of a systematic strategy of tar source inhibition, purification bed sequence reconfiguration according to impurity spectrum, and ratio adjustment and heat management linkage.

The invention provides a distributed seismic data segmentation and extraction device, method and application, and belongs to the field of seismic exploration. The method comprises the following steps: acquiring original seismic data by adopting a plurality of distributed seismic prospecting instruments, and storing the original seismic data by taking time as a label; the data processing center issues a single-shot segmentation extraction command to the plurality of distributed seismic detectors through the narrowband Internet, and the plurality of distributed seismic detectors segment and extract seismic data according to the single-shot segmentation extraction command; when a segmentation and extraction ending command is received, the plurality of distributed seismic detectors transmit the segmented and extracted seismic data to a data processing center through a 5G network; and the data processing center synthesizes and stores a shot gather file. According to the invention, while the integrity of the seismic data is ensured, the transmission of invalid seismic data is effectively reduced, and the processing demand of a data processing center is reduced, so that the seismic data processing efficiency is greatly improved.