68results about How to "Extended processing time" patented technology

The invention relates to the technical field of financial leasing systems, in particular to a financial leasing system and method based on a cloud platform, and the system comprises a leasing personnel input unit which is used for obtaining leasing demand information; the rental equipment data acquisition unit is used for acquiring equipment state information; the lease service management unit is used for processing lease matching and risk control; the demand unit is used for analyzing the lease demand; the leasing personnel registration unit is used for managing leasing personnel information; the rental platform resource library is used for storing system data; wherein the lease service management unit realizes lease matching and risk management through a dynamic multi-dimensional lease matching and risk control algorithm, and a state time sequence matching model greatly improves the accuracy of lease matching by combining historical data and real-time market demands; the multi-dimensional lease scoring system further considers a plurality of factors such as lessee credit and equipment conditions, and provides a comprehensive evaluation basis for subsequent decision making.

The invention discloses a new energy data entry method, system and device and a storage medium, and relates to the technical field of data entry, and the method comprises the steps: obtaining machine account data, and obtaining a proportion emphasis parameter; acquiring a period consumption curve, and acquiring a data entry period; recording machine account data of the new energy based on the data recording period; the method is used for solving the problems that in an existing new energy machine account data input method, when machine account data of multiple kinds of new energy is continuously input for a long time, the input period of each machine account data cannot be controlled based on the consumption cost and the consumption proportion of each kind of new energy, and therefore after the machine account data is input, the machine account data cannot be continuously input. The problems that the data processing time is increased and the data efficiency is reduced due to the fact that workers are assisted to carry out effective data analysis are solved.

The invention belongs to the technical field of wastewater treatment, and particularly discloses a thallium-containing wastewater treatment device which comprises a sedimentation tank and a reaction tank arranged on the upper portion in the sedimentation tank, and the reaction tank comprises an electro-catalysis tank, a pH adjusting tank, an electric flocculation tank, a magnetic medium inoculation tank and a stabilization tank which are sequentially communicated; a drainage tank I communicated with the electro-catalysis tank is arranged in the pH regulating tank; an outlet of the drainage tank I is communicated with the electric flocculation tank through a vortex tank I and an arc-shaped water outlet tank I in sequence; the structures of the magnetic medium inoculation pool and the stabilization pool are the same as the structure of the pH adjusting pool; pH probes are mounted in the pH regulating tank and the stabilizing tank. The invention also discloses a thallium-containing wastewater treatment method. The thallium-containing wastewater treatment device disclosed by the invention is large in occupied area, good in removal effect and stable in effluent; and a thallium removing agent, a flocculating agent and the like are not required to be added during operation, so that the operation cost is greatly reduced.

The utility model discloses an exhaust disinfection structure of a damp and hot cleaning disinfection machine, which comprises a cleaning barrel and a machine cover, the machine cover is provided with an air inlet and an air outlet which are communicated with the cleaning barrel, and the air outlet is connected with an air disinfection treatment box through an exhaust pipe; the gas disinfection treatment box comprises a box body, the interior of the box body is divided into a first purification cavity and a second purification cavity through a primary filtering layer, an ultrasonic atomizer is arranged in the first purification cavity, and an aerosol dissolving solution or a disinfectant is added into the ultrasonic atomizer through a liquid inlet pipe; a first current-conducting plate and a second current-conducting plate which are oppositely distributed left and right are arranged in the second purification cavity, the first current-conducting plate is connected with the positive electrode of the high-voltage generator, the second current-conducting plate is connected with the negative electrode of the high-voltage generator, a plurality of discharge plates are arranged on the first current-conducting plate, a plurality of discharge needles are arranged on the discharge plates, and a plurality of adsorption plates are arranged on the second current-conducting plate. The cleaning device has the advantages of recycling and purifying aerosol in the cleaning device.

The invention provides a magnesium alloy surface high-wear-resistance micro-arc oxidation film layer and a preparation method thereof. The preparation method comprises the following steps: S1, pretreatment of a magnesium alloy matrix: grinding and polishing the magnesium alloy matrix, and then cleaning and drying the magnesium alloy matrix; s2, preparing a silicate alkaline electrolyte: dissolving Na2SiO3, KF and NaOH in deionized water at room temperature, performing ultrasonic treatment until the Na2SiO3, the KF and the NaOH are completely dissolved, then adding the TiO2 nano-particles, and continuing ultrasonic treatment until the TiO2 nano-particles are uniformly dispersed in the deionized water to obtain the silicate alkaline electrolyte; and S3, micro-arc oxidation treatment is conducted, specifically, stainless steel serves as a cathode, the pretreated magnesium alloy matrix serves as an anode, the cathode and the anode are put into a silicate alkaline electrolyte, flushing and drying are conducted after micro-arc oxidation treatment, and then the high-abrasion-resistance micro-arc oxidation film layer is formed on the magnesium alloy sample. The structure, the structure and the performance of the magnesium alloy micro-arc oxidation film layer are improved by adding the nano TiO2 particles into the electrolyte, so that the wear resistance of the film layer is improved.

The present application discloses a sludge treatment slow-release material and a treatment method, and belongs to the technical field of sludge treatment. A water-soluble coating material forms a slow-release film on the surface of an iron-carbon micro-electrolysis filler, and the slow-release film slowly dissolves in the sludge to slowly release the iron-carbon micro-electrolysis filler. The iron-carbon micro-electrolysis filler undergoes a galvanic cell reaction in the sludge, and the generated divalent iron ions can catalytically activate persulfate to produce persulfate radicals and trivalent iron ions. The persulfate radicals can oxidize nitrogen-containing organic matter, and the trivalent iron ions react with phosphates to generate iron phosphate precipitates; the dissolved water-soluble coating material complexes with heavy metals, thereby achieving the purpose of removing nitrogen-containing organic matter, phosphorus-containing organic matter and heavy metals in the sludge. The slow-release material can slowly release the iron-carbon micro-electrolysis filler, thereby continuously producing stable divalent iron ions, prolonging the active time of persulfate, and then prolonging the treatment time of the slow-release material on the sludge, achieving the purpose of long-term repair.

The invention relates to the technical field of Internet of Vehicles target detection, in particular to an Internet of Vehicles multi-scene target detection system and method based on an RISC-V architecture, and the method comprises the steps: S1, obtaining image data, storing the image data in a DMA cache region preset on an RISC-V hardware calculation module, and setting the DMA cache region to be of a fixed size; s2, mapping the image data in the DMA cache region to an address space of a process on an RISC-V hardware calculation module by utilizing an mmap mechanism; s3, preprocessing the image data by using an RVV instruction; s4, after target detection model parameters are loaded for the first time, caching the preprocessed image data into a heterogeneous shared memory by using a cache consistency protocol supported by an RISC-V hardware calculation module, performing model reasoning, and obtaining perception information; s5, performing post-processing on the model reasoning result through a self-defined post-processing function, and obtaining display information; and the real-time frame rate of target detection, the overall performance of the system and the memory access efficiency are improved.

The invention relates to a hydrodynamic cavitation demulsification and cyclone separation device for emulsified oil wastewater, which comprises a fixed cylinder, and a dispersion cavity, a cavitation cavity, a separation cavity and a light phase fluid cavity which are communicated in sequence are arranged in an inner cavity of the fixed cylinder; the separation cavity is provided with a heavy-phase fluid outlet, and the light-phase fluid cavity is provided with a light-phase fluid outlet; the dispersing cavity is provided with an additive inlet for adding a demulsifier; the dispersion cavity is provided with a liquid inlet, and emulsified oil wastewater flows into the dispersion cavity from the liquid inlet; the dispersion cavity is used for dispersing oil-in-water emulsion, mixing emulsified oil wastewater and a demulsifier, and enabling liquid in the dispersion cavity to form rotational flow to flow to the cavitation cavity; the cavitation cavity is used for cavitation fluid and cracking emulsified oil wastewater; under the action of rotational flow, heavy-phase water of the fluid entering the separation cavity migrates to the inner wall of the fixed cylinder and rotates to flow out of the heavy-phase fluid outlet, and light-phase oil enters the light-phase fluid cavity and flows out of the light-phase fluid outlet. The device is short in treatment time, high in treatment efficiency, simple in structure and low in operation and maintenance cost.

The invention belongs to wastewater treatment equipment, and particularly relates to a multi-stage treatment device for industrial wastewater, which comprises a treatment pond, a rotating motor connected to a bracket at the upper end of the treatment pond, a rotating shaft at the lower end of the rotating motor extending to the lower end of the treatment pond, stirring blades arranged on the rotating shaft, a drain pipe arranged on one side of the treatment pond, and a vertical pipe arranged at the lower end of the treatment pond, a switch valve is arranged on the vertical pipe, a straight ladder is arranged on one side of the treatment tank, and the rotating shaft is sequentially provided with a stirring blade, a bubble type aerating assembly, a rotating blade assembly, a feeding mechanism, a drawing type aerating mechanism and a foam scraping assembly from bottom to top; according to the device, the stirring effect is improved, activated sludge is added through the feeding mechanism to be better combined with internal wastewater for reaction, the arranged bubble type air-entrapping assembly, a drawing type aeration mechanism and stirring blades are matched with an external air pump for aeration treatment, and a plurality of oxygen-entrapping devices are arranged, so that the wastewater is better contacted with oxygen, the wastewater treatment effect is improved, and the reaction time is shortened.

The invention provides a manufacturing method of a semiconductor device, which not only exposes the top of a dummy gate, but also can generate a load effect that the top of a second dummy gate in a long channel element region is higher than the top of a first dummy gate in a short channel element region after chemical mechanical polishing is carried out on an interlayer dielectric layer. When the deposited metal gate material is subjected to chemical mechanical polishing, the first metal gate in the short channel element region can keep the height of the original dummy gate by utilizing the load effect generated by the previous polishing and the reverse complementary effect of the polishing; and the top of the second metal gate of the long-channel element region is not higher than the top of the first metal gate of the short-channel element region, so that the effect of reducing or eliminating the load effect between the metal gates of the short-channel element region and the long-channel element region is finally achieved, and the electrical property and the yield of the device are integrally improved.

This invention discloses an imaging device, comprising an imaging module and a mounting base. The imaging module includes a housing, a flat lens, a display, and a first slip ring. The flat lens has a first side and a second side, with the display located on the first side. Light emitted from the display passes through the flat lens on the second side to form a floating real image. The first slip ring is located at the bottom of the housing, and the display is connected to an external power source via the first slip ring. The imaging module is rotatably mounted on the mounting base. A second slip ring is provided on the surface of the mounting base facing the imaging module. When the imaging module is mounted on the mounting base, the second slip ring contacts the first slip ring to achieve electrical connection. The second slip ring is adapted to be electrically connected to an external power source. Thus, the imaging module is rotatable relative to the mounting base, allowing it to be used independently or in conjunction with the mounting base. When in conjunction with the mounting base, the imaging module can rotate 360° relative to the mounting base and can stop at any angle, facilitating user observation of the floating real image.

The present invention provides a three-in-one wavelength division multiplexing optical time domain reflectometer system and a control method thereof, comprising a laser emission module, an optical switching module, an optical coupling module, a three-in-one optical port optically connected in sequence, an optical detection receiving module, an amplification module, a data acquisition and analysis module connected in sequence to the optical switching module, and a control module electrically connected to the laser emission module and the data acquisition and analysis module; the laser emission module comprises a DWDM laser emission module, a CWDM laser emission module and a PON laser emission module arranged in parallel. The present invention combines a filtering method with a light source and an optical path design, and the system can provide 115 wavelengths, including 18 wavelengths of CWDM, 96 wavelengths of DWDM, and 1 wavelength of PON. These three light sources can be output through one optical fiber, avoiding the replacement of corresponding optical ports when testing different light sources, saving operation convenience, saving test time, and improving test efficiency and consistency; nanosecond switching between different channels can be achieved by using a multi-channel signal scheduling processing module.

The utility model belongs to the field of livestock and poultry breeding technology, especially a kind of foul gas purification equipment for livestock and poultry manure treatment. Solve the problem that the single process treatment effect is not good due to the fast odor flow rate in the existing treatment process, realize efficient treatment of foul gas, achieve standard discharge, equipment structure is simple, and the operating cost is low. Two independent closed upper box, lower box are equipped in purification box, operation window is sequentially arranged in upper box, and back is respectively provided with operation window, left purification body section is communicated with air inlet, right purification body section is communicated with air outlet;It can deal with the complex component foul gas generated by livestock and poultry manure fermentation, overcome the problem that single process cannot be fully treated, ensure that foul gas treatment is more thorough. Give consideration to efficient treatment and economic practicality, applicable to the popularization and application of various farms, to improve breeding environment, promote the green development of animal husbandry has important significance.

The invention relates to the technical field of water pollution control and treatment, in particular to an industrial wastewater precipitation separation control system which comprises a shell, a treatment module and a sludge hopper. The sludge hopper is mounted at the lower end of the shell. The treatment module comprises a water passing block, a bottom plate and an inclined plate assembly. The water passing block is installed in the shell. The inclined plate assembly comprises a plurality of inclined plates which are evenly distributed in the circumferential direction of the water passing block, and a spiral channel is defined between the inclined plates and the water passing block. The bottom plate can be mounted between the water passing block and the sludge hopper in an up-down moving manner. According to the industrial wastewater precipitation separation control system disclosed by the invention, when wastewater needs to be treated, suspended pollutants in the wastewater are in full contact with the inclined plate by arranging the spiral, so that the wastewater treatment effect is remarkably improved. When the inclined plate needs to be cleaned, sludge on the inclined plate is cleaned in a vibration mode, surface abrasion of the inclined plate is relieved, the inclined plate can operate more stably, and then the water pollution control and treatment effect is improved.

The present application provides a cross-border e-commerce comprehensive intelligent service method for multi-dimensional data analysis, including: obtaining sales data and return data of different regions in different time periods, including associated sales channels and associated product categories, and calculating the return volume and sales volume of each region in different time periods; classifying the sales data and return data according to the storage conditions corresponding to the associated product categories, each category corresponding to a warehouse category, and calculating the total return volume and the total sales volume corresponding to different warehouse categories; judging whether to establish a target warehouse in a target area according to the return volume and sales volume corresponding to the target warehouse category; for a recommended area identified as a recommended area for establishing a target warehouse in the target area, obtaining cross-border express delivery fees and warehousing cost data of the recommended area and adjacent areas, and evaluating the establishment cost of the target warehouse in the recommended area and adjacent areas.

The present invention relates to the technical field of power grid operation detection, and more specifically discloses a system for automatically collecting data on synchronous line loss electricity, comprising: collecting comprehensive line loss electricity data and environmental data; establishing an operation status function according to the comprehensive line loss electricity data; obtaining environmental impact factors according to the environmental data; constructing an intelligent sensor network deployed with a microgrid concept in power grid partitions, constructing software-defined grid technology, optimizing routing and efficient transmission of partition data, constructing an edge computing architecture, preliminarily analyzing and processing data, and summarizing and transmitting the data to a central server, constructing alarm logic in each partition, and automatically adjusting or suggesting local power grid configuration to optimize performance while issuing targeted alarms, constructing intelligent analysis functions in each partition, self-diagnosing faults, automatically executing repair plans, improving data processing speed and system response time, reducing dependence on central services, and improving maintenance efficiency and accuracy.

The invention discloses a chemical fiber waste gas treatment device, and relates to the technical field of waste gas treatment, and the chemical fiber waste gas treatment device comprises: a tower body, two ends of the tower body in the width direction are respectively fixedly provided with a gas inlet and a gas outlet; the conveying belt is mounted in the inner cavity of the tower body through a plurality of driving rods; the multiple filter plates are distributed in the length direction of the conveying belt at equal intervals, and U-shaped sleeve plates are installed on the outer sides of the filter plates in a sliding mode; wherein a treatment cavity channel is formed between the two side faces and the top end of the conveying belt and the inner surface of the tower body, a partition cavity channel is formed between the bottom end of the conveying belt and the inner surface of the tower body, the width of the treatment cavity channel is equal to the sum of the width of the filter plate and the width of the U-shaped sleeve plate, and the width of the partition cavity channel is equal to the width of the U-shaped sleeve plate. The length of the partition cavity channel is larger than the distance between every two adjacent U-shaped sleeve plates. The moving direction of the filter plate is opposite to the flowing direction of waste gas in the treatment cavity; the chemical fiber waste gas movement speed can be reduced, and the chemical fiber waste gas purification effect is improved.

The invention is applicable to the testing application field of a spatial light modulator, and discloses a testing method and a testing system for obtaining a phase modulation curve of a spatial light modulator. The testing method comprises: drawing a grayscale gradient diagram; building an optical path system, wherein a spatial light modulator of the optical path system performs phase modulation on structured light according to the grayscale value of the grayscale gradient diagram, and the phase-modulated structured light interferes with a reference light to form interference fringes; collecting interference fringes to generate an interference fringes image; processing the interference fringes image to generate an interference fringes curve diagram; an information processing module outputs a grayscale phase curve according to information of the interference fringes curve diagram and the grayscale gradient diagram; in the test, the spatial light modulator can load a grayscale gradient diagram corresponding to a grayscale value within an interval value at one time, and the optical path system can output interference fringes corresponding to each grayscale value in the grayscale value within an interval value at one time, so that the processing speed and the test accuracy can be improved.

The invention discloses a phosphorus compound fertilizer drying tail gas dust collection chamber, and belongs to the technical field of tail gas treatment equipment.The phosphorus compound fertilizer drying tail gas dust collection chamber comprises a dust settling chamber, a gas inlet is connected to one side of the dust settling chamber, a cooling chamber is arranged on the side, away from the gas inlet, of the dust settling chamber, a motor is connected to the upper end of the cooling chamber, and a water inlet is formed in one side of the motor; a communicating pipe is arranged on the side, away from the dust settling chamber, of the cooling chamber, a drying chamber is connected to the side, away from the dust settling chamber, of the communicating pipe, and the dust settling chamber and a first magnet are arranged, so that connection between the first magnet and a first gear can be controlled through magnetic force; and by arranging a fixing rod, when the connecting rod rotates to make contact with tail gas for dust removal, the adhesion degree of solid particles to the connecting rod can be reduced by continuously beating the fixing rod, and then the service life of the connecting rod is prolonged.

A beam setting method includes a communication method prediction step of predicting a communication method performed on the basis of whether there is a line-of-sight between a first radio station device and a second radio station device; a first beam number setting step of setting the number of beams transmitted by a beam sweep, in which signals using formable beams are sequentially transmitted in a time-division manner, to a first constant, when the communication method prediction step predicts that communication is performed by the communication method using reflected waves; and a second beam number setting step of setting the number of beams transmitted by the beam sweep to a second constant smaller than the first constant, when the communication method prediction step predicts that communication is performed by the communication method using line-of-sight waves.

A method for solving the vacuum degassing of space flexible materials based on a double network belongs to the field of space deployment material preparation. The method is: after mixing a photocuring agent, an imidazole derivative curing agent, an acrylate resin and an epoxy resin, evacuate the mixture, remove bubbles, pour it into a mold, and irradiate it with ultraviolet light for 10-20 minutes to prepare a flexible material of the first network, and then pre-cure it at 110°C for 3 hours and post-cure it at 150°C for 3 hours to obtain a rigid material. After the first stage of light initiation, an acrylate material of the first network is obtained. At this time, the synthetic product will be embedded in the acrylate resin network. When the flexible material is launched and deployed in orbit, under vacuum conditions, the second stage curing agent in the material will not be drawn into the vacuum environment due to its higher molecular weight. Then, the imidazole derivative is triggered by heating to cure the epoxy resin, completing the formation of the second network of the material in the space environment, that is, the soft-rigid conversion.

The invention relates to the technical field of cotton processing, and particularly discloses a cotton processing dust removal device which comprises a box body, a filter plate is arranged in the box body, cross rods are installed on the two sides of the box body, a first moving plate is arranged at the tops of the two cross rods, and a first processing mechanism is installed at the bottom of the first moving plate. And suction heads are installed on the two sides of the first moving plate correspondingly, two vertical rods are installed at the bottom ends of the two transverse rods correspondingly, a second moving plate is arranged among the four vertical rods, a second processing mechanism is installed on the top of the second moving plate, and a plugging mechanism is installed on one side of the box body. In the cotton processing device, in the cotton processing process, a plurality of vertical rods and a rotating rod of a first processing mechanism move back and forth in a box body together, cotton in the box body is turned over, and large-size impurities in the cotton downwards penetrate through a filtering plate and fall to the top of a second moving plate; and the effect of removing large-size impurities in the cotton is improved.

The invention relates to the technical field of production increase of low-permeability oil and gas fields, and particularly provides an organic alcohol suspension resistance reducing agent for production increase and capable of quickly discharging water and preventing emulsification during oil stripping and a preparation method. The invention aims to solve the problems of quick water discharge and oil stripping emulsification prevention in the technical field of low-permeability oil and gas field yield increase. The resistance reducing agent comprises polyacrylamide, polymethacrylamide, an organic alcohol solvent, nano silicon dioxide, a silane coupling agent, a zwitterionic fluorocarbon surfactant and an organic thixotropic agent. The preparation method comprises the following steps: preparing intermediates A1 and B1, and mixing to obtain the final product. The problem of blockage of reservoir pores in fracturing operation is solved, the flowback rate is increased, and meanwhile, crude oil emulsification is avoided, so that the oil extraction rate is increased, and the corrosion of gathering and transportation pipelines is reduced.

The invention relates to the technical field of ballastless tracks, and provides a ballastless track fatigue damage semi-analytical method based on tension-compression anisotropy, which comprises the following steps of: 1, expressing a material damage state by using equivalent free energy for a complex stress state and a simple stress state, and performing unified measurement on the complex stress state and the simple stress state to obtain a material damage state; the stress values are equivalent to the stress values of single-axis tension and compression under the condition of single-axis load; step 2, on the basis of free energy defined by effective tension and compression stress, by combining material fatigue three-stage damage characteristics, using a natural constant as a base and a damage variable as an index, constructing a function reflecting fatigue damage three-stage change; step 3, establishing an analytic expression of fatigue loading cycle times and damage through integration of tension and compression damage in a load cycle time to obtain a discrete semi-analytic expression; and 4, solving the semi-analytical expression through a numerical integration method, and drawing a calculation result graph. According to the method, ballastless track fatigue damage semi-analysis can be well carried out.

The present invention discloses a pretreatment trough for semi-continuous casting electromagnetic energy grain refinement, comprising a trough body and a heat-insulating cover arranged on the trough body, two connecting ports are arranged on two opposite trough walls of the trough body, at least one pair of U-shaped silicon steel cores are fixedly arranged on the heat-insulating cover and the trough body, four end posts of each pair of U-shaped silicon steel cores are in the same straight line, a magnetic induction coil is wound around each end post of the U-shaped silicon steel core, and both ends of the magnetic induction coil are connected to a power supply. The present invention is provided with a trough body, a heat-insulating cover and a U-shaped silicon steel core on the trough body and the heat-insulating cover, and a magnetic induction coil is wound around the U-shaped silicon steel core, and a pulse magnetic field is generated after a pulse current is passed through the magnetic induction coil, and the pulse magnetic field instantly generates a large magnetic flux, thereby obtaining pulse electromagnetic energy, which is used to treat the melt and refine the grains of the casting. When in use, the trough body is placed between the flow trough and the casting plate, which can slow down the flow rate and increase the processing time, thereby improving the nucleation rate.

The present invention relates to the technical field of waste gas treatment, and specifically to waste gas purification equipment for resin synthesis. It includes a gas collecting cylinder, a first tank body is fixed on the upper end of the gas collecting cylinder, a second tank body is fixed on the upper end of the first tank body, an exhaust pipe is fixedly connected to the upper end of the second tank body, an air intake pipe is fixed in the first tank body, the air intake pipe is connected to the gas collecting cylinder through a first connecting pipe, a driving assembly is slidably and sealedly connected in the gas collecting cylinder, a transmission assembly is arranged in the first tank body, the transmission assembly is connected to the driving assembly, a slot is provided at the upper end of the air intake pipe in the first tank body, a baffle is slidably and sealedly inserted in the slot, the baffle blocks the air intake pipe, and the transmission assembly is connected to the baffle. The present invention can make the waste gas intermittently enter the first tank body and the second tank body, and can improve the removal effect of harmful substances and particulate matter in the waste gas.

The utility model relates to the technical field of powder processing, and discloses a continuous dry-method powder processing device which comprises a heating barrel, a plurality of conical rings are fixedly arranged in the heating barrel, a stirring motor is installed at the top end of the heating barrel through a cover plate, an output shaft of the stirring motor is connected with a stirring shaft, and the stirring shaft is connected with the conical rings. A reinforcing assembly is arranged at the bottom end of the stirring shaft, scraping strips are welded to the two sides of the stirring shaft through stirring rods, and the middle of the conical ring is connected with the stirring shaft through a discharging opening in a penetrating and inserting mode; the powder and the modifier can be added through the feeding hopper, the quantitative roller can block the bottom of the feeding hopper, free falling of the powder and the modifier can be prevented, the powder trough and the modifier trough rotate to the top of the quantitative roller, the powder trough and the modifier trough can quantitatively load the powder and the modifier, and the quantitative roller is driven to continuously rotate, so that the powder and the modifier can be quantitatively loaded. And continuous feeding of the powder and the modifier can be guaranteed.

The present invention discloses a positioning fixture for a pulping machine shell, comprising a bottom tooling and a side tooling, the bottom tooling being used for positioning the bottom surface of the pulping machine shell, and the side tooling being used for positioning the side surface of the pulping machine shell, the bottom tooling comprising a base and a bottom positioning portion installed on the upper end of the base for positioning the bottom surface of the pulping machine shell; the side tooling comprising a fixed seat, and a movable seat vertically movably matched on the fixed seat, the fixed seat and the movable seat realizing vertical movability through a movable mechanism, a fixed plate being connected to the upper end of the movable seat, and a side positioning portion for clamping the side surface of the pulping machine shell being provided on the fixed plate; the present invention can realize positioning and clamping of the bottom surface and the side surface of the pulping machine shell through this positioning fixture, can realize good positioning of irregular structures, reduce the number of times of installation, disassembly and alignment of workpieces, reduce manual work intensity, improve the use efficiency of machine tools, and reduce processing time.

The utility model discloses an acidolysis tail gas treatment mechanism for titanium dioxide production, which belongs to the field of titanium dioxide production and comprises a spray tower, a spray disc, a flow guide component, a gas inlet pipe, a gas outlet pipe and a gas quality detector, a cavity dividing plate is vertically arranged in the middle of the interior of the spraying tower, a flow dividing cavity and a primary treatment cavity integrally sleeved with the flow guide assembly, the spraying disc and the air inlet pipe are arranged in the spraying tower and located on the left side and the right side of the cavity dividing plate respectively, and a conveying plate is arranged in the flow dividing cavity and located below the spraying disc; a plurality of reaction plates are arranged between the conveying plate and the cavity dividing plate as well as between the conveying plate and the spraying tower; a graded reflux assembly is arranged at the gas outlet end of the gas quality detector; according to the acidolysis tail gas treatment mechanism, the circulation of tail gas treatment in the acidolysis tail gas treatment mechanism is improved, stage reflux treatment of tail gas is facilitated, and the tail gas treatment efficiency and sufficiency are improved.

According to the polycrystalline silicon low-pressure chemical vapor deposition reaction device beneficial to prolonging the maintenance period, the bottom of a reaction outer pipe is in sealed connection with a flange connecting piece, and the side portion of the flange connecting piece is in sealed connection with a gas inlet header pipe and a vacuumizing assembly; the inner reaction pipe, the first gas inlet pipe, the second gas inlet pipe and the third gas inlet pipe are all fixedly arranged in the flange connecting piece, the inner reaction pipe is nested on the inner side of the outer reaction pipe, the three gas inlet pipes all extend to a reaction area in the inner reaction pipe along the vertical direction, and gas outlet holes of the three gas inlet pipes are respectively positioned at positions with different heights in the inner reaction pipe. The device has the advantages of being compact in structure, simple in principle, high in operation stability and the like, on the premise that reliable sealing work of the reaction tube is guaranteed, the uniformity of gas in the reaction tube is improved, particle pollution in the polycrystalline silicon thin film deposition process is reduced, the maintenance period of equipment is effectively prolonged, and the normal process time of the equipment is remarkably prolonged.