35results about How to "Implement preprocessing" patented technology

The invention discloses a composite fabric production process and a composite fabric, and relates to the technical field of fabric production, the composite fabric comprises a fabric body, the fabric body comprises a base cloth layer, the base cloth layer is a textile material, the top of the base cloth layer is provided with a superfine fiber cloth, and the bottom of the base cloth layer is provided with a cotton fabric; the superfine fiber cloth and the base cloth layer as well as the base cloth layer and the cotton fabric are bonded through glue in a hot pressing manner. By arranging the pressing plate and the electric heating plate, the fabric is subjected to hot pressing through the pressing plate and the electric heating plate, the hot pressing time and force can be controlled, the bonding strength between the two kinds of fabric is better, pretreatment of the fabric can be achieved through the cleaning mechanism and the brushing mechanism directly arranged between the two kinds of fabric, and the cleaning efficiency is improved. The automation effect is improved, the fabric treatment is simpler and more convenient, the hot pressing procedure between the fabrics is simplified, and the practicability is improved.

The invention provides a two-phase aerobic fermentation device and an application method thereof. The device integrates a raw material pretreatment system, a feeding system, an aeration system, a stirring system, a heating and heat preservation system, a leachate backflow system, a decomposition bin, a decomposition bin, a waste gas treatment system and an intelligent control system. The method comprises the following steps: S1, raw material pretreatment; s2, metering and feeding the raw materials; s3, performing high-temperature aerobic decomposition; s4, medium and low temperature post-decomposition; s5, waste gas collection treatment; and S6, product discharging quality control. According to the method, aerobic fermentation is divided into a catabolism phase and an anabolism phase by taking a high-temperature period in a typical aerobic fermentation temperature change curve as a boundary, and decomposition-anabolism of aerobic microorganisms is enhanced by regulating and controlling a microenvironment in a split-phase manner, so that the aerobic biological treatment efficiency is effectively improved, and retention of different functional bacteria in a system is facilitated. The bottleneck problems of large occupied area, long period, low fertilizer efficiency, low functional strain preservation amount and the like of aerobic fermentation are solved, and safe and efficient resource conversion is realized.

The invention discloses a lithology identification method based on a neural network, and the method comprises the steps: obtaining a logging curve, recognizing a missing value in the logging curve, taking the parameter data in the logging curve as sequence data, inputting the sequence data into an established neural network model, carrying out the prediction through the neural network model, obtaining the complementation data corresponding to the missing value, and obtaining the lithology of the logging curve. Filling missing values in the logging curve by using the completion data to obtain a complete logging data set, namely a first data set; based on the first data set, performing equalization processing on lithology classification samples in the first data set to obtain an equalization logging data set, namely a second data set; a whale optimization algorithm is adopted to optimize hyper-parameters of the classification model, target hyper-parameter configuration is obtained, and the classification model is configured; and inputting the second data set into the classification model, and identifying and outputting the lithology category. The method is high in missing value filling precision, excellent in sample equalization effect, remarkable in model performance optimization and high in system practicability.

The invention discloses an organic waste sulfuric acid carbonization treatment device, and relates to the technical field of organic waste sulfuric acid carbonization treatment. Comprising a supporting seat, the supporting seat is fixedly connected with a reaction tank, the reaction tank is provided with a control panel, the side, close to the supporting seat, of the reaction tank is fixedly connected and communicated with a discharging part, and the side, close to the discharging part, of the reaction tank is provided with an electromagnetic valve electrically connected with the control panel. A cover plate is fixedly connected to the side, away from the discharging piece, of the reaction tank, the cover plate is fixedly connected with a feeding pipe communicated with the reaction tank, the cover plate is fixedly connected with a fixing frame, the fixing frame is provided with a motor electrically connected with the control panel, and a driving shaft of the motor is provided with a transmission shaft. In the process of carbonizing the organic waste sulfuric acid, the magnetic particles in the organic waste sulfuric acid are pretreated, so that the later-stage separation time is shortened, and the later-stage separation pressure is reduced.

The invention discloses a biological treatment device for dyeing and finishing wastewater of polyester chemical fabric and a use method of the biological treatment device, and belongs to the technical field of wastewater treatment.The biological treatment device comprises a first box body, a second box body and a third box body, and is characterized in that the second box body is arranged on one side of the first box body, the third box body is arranged at the upper end of the second box body, and a filter tank is arranged in the first box body; a sedimentation tank is arranged on one side of the filter tank, a neutralization tank is arranged on one side of the sedimentation tank, and a coagulation tank is arranged on one side of the neutralization tank; a first treatment groove is formed in the second box body, a second treatment groove is formed in one side of the first treatment groove, a third treatment groove is formed in one side of the second treatment groove, and heaters distributed in a linear array are arranged on the outer wall of the second box body; a communicating groove is formed in the outer wall of the third box body, and a pipeline connecting system is arranged on the outer wall of the second box body and the outer wall of the third box body. On the basis of biological treatment of dry wastewater, physical and chemical pretreatment can be carried out, and aerobic biological treatment or anaerobic biological treatment can be selectively carried out.

This application belongs to the field of fetal brain age prediction technology, and relates to a method and system for predicting fetal brain age of the cerebellar vermis based on multimodal feature fusion. It employs the MST-Mamba segmentation network, and achieves synergy between local detail capture and global semantic modeling by embedding local-global aggregators at each level of the encoder. Simultaneously, a dynamic channel fusion unit is deployed at the jump connection between the encoder and decoder to avoid problems such as boundary ambiguity, missed classification, and misclassification. Through three parallel branches of a multi-granularity morphology-texture collaborative perception architecture, it simultaneously extracts two types of explicit features (macro-geometric and topological morphology) and two types of implicit features (micro-texture), achieving a comprehensive representation of the developmental features of the cerebellar vermis. After standardizing and calibrating the explicit features, they are spliced ​​and fused with the implicit features along the channel dimension to solve the problems of insufficient multimodal feature fusion and lack of calibration. Finally, prediction is performed using a multilayer perceptron regression head, ensuring the accuracy and stability of the brain age prediction results from the source.

This invention provides an AI real-time prediction method and apparatus. The method includes: obtaining a physical plan based on an AI-related SQL statement; obtaining a configured AI engine based on the physical plan and real-time AI metadata; using the configured AI engine to predict data to be predicted and obtaining prediction results; the amount of data to be predicted is dynamically adjusted according to data backlog. This invention seamlessly integrates an AI framework based on SQL statements, supports AI models trained in different modeling environments, avoids AI models failing to execute due to environmental differences, and eliminates the need for code development using programming languages ​​such as Java and Python. It achieves data stream preprocessing and real-time AI model prediction, improving the usability of real-time AI prediction solutions.

The invention provides dry conveying equipment for pulverized coal with water, which comprises a main case, and a heat exchange cavity, an exhaust cavity, a feeding cavity, a first-stage drying cavity and a second-stage drying cavity are sequentially arranged in the main case from top to bottom; a hot gas extraction fan; a heat exchanger; a feeding conveying belt; the water pressing assembly comprises a rectangular frame, a side pressing plate, a middle pressing plate and a crushing part; a first electric heating plate; the material scraping assembly is vertically arranged, the material scraping assembly is symmetrically installed on the surface of the first electric heating plate in a sliding mode, and the working modes of the material scraping assembly comprise a dispersing mode and a material gathering mode; the spiral conveyor is installed in the second-stage drying cavity and used for outputting dried pulverized coal, and a second electric heating plate is installed on the inner bottom face of the second-stage drying cavity; screening an output box; a three-stage heating and drying structure of the first-stage drying cavity, the second-stage drying cavity and the screening output box is designed, water in pulverized coal can be fully dried, and dry pulverized coal can be output for use.

The utility model provides cotton yarn carding equipment with auxiliary structure belongs to textile machinery equipment technical field to solve the problem that the existing lumped cotton yarn is easy to block feed inlet, causes equipment overload shutdown, influences production efficiency, including carding machine main part, carding feed hopper, pre arranging roller, pre screening board, carding drive sliding block, carding drive mechanism and screening anti - jam mechanism, carding feed hopper fixed connection is in the front upper side of carding machine main part, and carding feed hopper is funnel -shaped structure, pre arranging roller sets up in the inboard of carding feed hopper, pre screening board fixed connection is in the lower end of carding feed hopper, carding drive sliding block sliding connection is in the outboard of carding feed hopper, carding drive mechanism sets up in the outboard of carding feed hopper, screening anti - jam mechanism sets up in the below of carding feed hopper, realized the pretreatment to raw material, significantly reduced material stagnation probability.

The utility model relates to the technical field of wastewater recycling, in particular to an incineration wet-process high-salinity wastewater recycling system. The incineration wet-process high-salinity wastewater recycling system comprises a wet-process deacidification tower and a high-salinity wastewater treatment tank, a siphon piece which enables the wet-process deacidification tower and the high-salinity wastewater treatment tank to be communicated with each other is installed between the wet-process deacidification tower and the high-salinity wastewater treatment tank, and a filtering piece is connected to the siphon piece, so that pretreatment of most suspended solids and part of precipitated salt particles in high-salinity wastewater is achieved; the problems of pipeline resistance and scaling at the rear end are reduced, the use of the pump body can be effectively reduced by utilizing the siphon piece, and the production cost is reduced; the gas outlet end of the high-salinity wastewater treatment tank is communicated with a buffer tank, the water outlet end of the buffer tank is connected with a flow adjusting part, the water outlet end of the flow adjusting part is connected with a quenching spray tower, and the gas inlet end of the quenching spray tower is communicated with the wet deacidification tower and the gas outlet end of the buffer tank through pipelines, so that the pipeline pressure and the pipeline flow can be adjusted, and the system load is reduced; and cooling emission of high-temperature flue gas is realized.

The utility model discloses a surface spraying equipment for aluminum plate processing relates to plate processing technical field, including lower roller conveyor and upper roller conveyor, be installed with support plate on the lower roller conveyor, be installed with electric telescopic handle on the support plate, and electric telescopic handle is fixedly connected with the connecting seat of installation in the both sides of upper roller conveyor, and the roller body middle of lower roller conveyor and the roller body middle of upper roller conveyor are all installed aluminum plate auxiliary transmission structure, and the V -shaped groove is set up to aluminum plate auxiliary transmission structure surface, the utility model discloses through the aluminum plate auxiliary transmission structure and electric adjustable interval design of the surface V -shaped setting between upper and lower roller conveyor, has realized the stable transmission under the vertical state of aluminum plate, thereby is convenient to the bilateral synchronous spraying of aluminum plate, compared with the one -sided spraying of the current aluminum plate flatly on the conveyor only, the utility model does not need secondary face spraying, and the spraying efficiency is higher.

The application discloses an electrophoretic wastewater pretreatment method, which comprises the following steps: performing electrochemical treatment on electrophoretic wastewater in an electrochemical reactor to obtain treated electrophoretic wastewater. The material of an anode plate in the electrochemical reactor comprises at least one of ruthenium iridium titanium, platinum gold titanium, iridium tantalum titanium, diamond, 316L stainless steel and a titanium plate; and the material of a cathode plate in the electrochemical reactor comprises at least one of 316L stainless steel, foamed nickel, a titanium mesh and a titanium plate. The electrophoretic wastewater pretreatment method reduces the sludge production amount, has no secondary pollution, and has high and stable wastewater treatment effect, thereby effectively reducing the treatment cost of the electrophoretic wastewater.

The utility model discloses a combustion-supporting air inlet structure of a rotary kiln, and relates to the technical field of rotary kilns. The device comprises a fixing plate and a centrifugal fan, an air inlet assembly is arranged on the fixing plate, the air inlet assembly comprises a flow dividing disc fixedly connected to the side, away from the centrifugal fan, of the fixing plate and a sleeve penetrating through the fixing plate, and the flow dividing disc is fixedly communicated with a plurality of telescopic joints through branch pipes. And the interior of the sleeve is in threaded connection with a threaded rod, and a pretreatment assembly is arranged on the side, away from the fixing plate, of the centrifugal fan. The movable plate and the air inlet spray head are driven to move through the sleeve and the threaded rod, so that the air inlet position of the rotary kiln is adjusted, the problem that the air inlet position is inconvenient to adjust in the prior art is solved, combustion-supporting air is dehumidified through the filling frame, the combustion-supporting air is oxygenated and preheated through the oxygenation pipe and the serpentine pipe, and the air inlet position is adjusted. The problem that combustion-supporting air is inconvenient to pretreat in the prior art is solved.

The utility model discloses an odor treatment device which comprises a deodorization tower, biological stuffing, an air inlet pipe, an exhaust pipe, a drain pipe and a spray pipe, the bottom of the deodorization tower is open, the bottom of the deodorization tower is connected with a treatment box, the air inlet pipe and the drain pipe are respectively connected with the treatment box, and the spray pipe is connected with the biological stuffing. The upper end of the treatment box is connected with a filling pipe; a pretreatment pipe is arranged in the treatment box, the height of the pretreatment pipe is lower than the liquid level of water in the treatment box, one end of the pretreatment pipe is connected with the air inlet pipe, the other end of the pretreatment pipe is sealed, and a plurality of exhaust holes are uniformly formed in the treatment pipe. According to the device, dust and impurity particles in odor can be pretreated, and the risk that the dust and the impurity particles enter the biological filler is reduced, so that the risk that pores of the biological filler are blocked is reduced, the growth and reproduction of microorganisms are ensured, and the odor treatment effect is further ensured.

The invention discloses polishing equipment for fitness equipment production, relates to the technical field of intelligent manufacturing equipment industry, and can realize automatic, continuous and high-precision polishing of the inner wall of a port of a circular tube frame of fitness equipment through cooperation of a stepping conveying mechanism, a clamping mechanism and a polishing mechanism. A to-be-machined circular pipe can be stably conveyed to a polishing station through the stepping type conveying mechanism, the circular pipe in the polishing station is positioned through the distance measuring sensor, and precise centering of the port axes of the circular pipes with different lengths and different calibers and the rotation axis of the polishing head can be ensured in cooperation with adjustment of the sliding table and the lifting table; the problem of uneven polishing contact caused by non-coaxiality can be effectively solved, the polishing uniformity, precision and surface smoothness of the inner wall of the end opening of the circular pipe are remarkably improved, and the smoothness of follow-up production and assembly of fitness equipment is improved.

The present invention relates to the technical field of industrial wastewater treatment, in particular to an oil-absorbing felt type oil removal device for industrial wastewater pretreatment, wherein a liquid inlet pipe connected to a first storage chamber is fixedly provided on a barrel body, a spline shaft is placed above a partition, a fixed shaft is coaxially connected to the top of the spline shaft, a rotating drive module is connected to the fixed shaft transmission, the diameter of the fixed shaft is larger than the diameter of the spline shaft, a top plate is provided above the first storage chamber, a first magnetic suction member is fixedly installed on the top plate, an oil suction mechanism is sleeved on the spline shaft below the top plate, a first spring is sleeved on the spline shaft between the oil suction mechanism and the partition, a second magnetic suction member is installed on the oil suction mechanism, a corresponding squeezing roller is installed in the second storage chamber below the oil suction mechanism, and the oil suction mechanism has a first working state and a second working state. The present invention can preliminarily absorb the oil in the wastewater by arranging the oil suction mechanism, thereby reducing the subsequent sewage treatment cost, and can preliminarily filter the wastewater at the same time.

The present invention relates to the field of solar cell technology, specifically to a back-contact solar cell silicon wafer drying equipment, including a drying box for drying cleaned solar cell silicon wafers, the top of the drying box is open, a servo motor is fixedly connected to the left side of the drying box, and a drying mechanism is rotatably connected to the inside of the drying box, an air inlet pipe is connected and fixed to the right side of the drying box, and a nozzle is connected and fixed to the corresponding position of the air inlet pipe in the drying box; the drying mechanism includes a bearing main board horizontally arranged inside the drying box, and the bearing main board is transmission-connected to the servo motor, and an outer sealing ring is fixed around the bearing main board. The drying mechanism designed in the present application can realize the rotation of the silicon wafer body to be dried, generate centrifugal force to remove water droplets or large-area water stains attached to the surface, realize the pretreatment work before the silicon wafer body is dried, and in the process of drying the silicon wafer body, the silicon wafer body is rotated to achieve uniform contact with hot gas and improve the drying effect.

The utility model belongs to the technical field of steel wire rope double-twisting machines, and particularly relates to a steel wire rope double-twisting machine which comprises a double-twisting machine body. A pretreatment device is mounted on the connecting frame; a treatment box is fixedly connected to the connecting frame; a treatment cavity is formed in the treatment box; movable blocks are mounted outside the sections of the two ends of the screw rod and the limiting rod in a sleeving manner; a moving plate is fixedly connected between the moving blocks; wiping cotton is mounted in the fixed cavity; dust suction pipes are installed on the two side faces of the movable plate. A dust collection opening is formed in the inclined surface, close to the wiping cotton, of the dust collection pipe; a connecting pipe is mounted on the collecting box; an air extracting pump is mounted on the connecting pipe; and through the action of the pretreatment device, pretreatment of the steel wire rope is achieved, and follow-up rope twisting and other operations can be conducted smoothly and conveniently.

The invention provides a rare blood type heterogeneous data synchronization method. Rare blood type heterogeneous data can be read from all medical institutions. The method comprises the following steps: preprocessing data, classifying and encrypting the data, transmitting the data to a data center through a medical system special data channel, cleaning rare blood type heterogeneous data, converting the data into a uniform standard format, and transmitting the data to a rare blood type special library for storage after data verification. And synchronization and library falling of rare blood type heterogeneous data of each medical institution are realized. Through the technical scheme, real-time synchronization of rare blood type data in a regional range can be realized, information islands among rare blood types of medical institutions are eliminated, and possibility is provided for information sharing and unified scheduling of rare blood type which is a rare medical resource.

The invention relates to the technical field of balance regulation and control management of a multi-source power grid, and particularly provides a balance regulation and control management method and system of the multi-source power grid. The method comprises the following steps: acquiring power generation and power consumption data of a multi-source power grid; obtaining energy storage data; substituting the multi-source power grid power generation and utilization data and the energy storage data into a balance regulation and control unit, and selectively generating a regulation and control scheme; executing the adjustment control scheme; and after a preset adjustment duration, the power generation and utilization data and the energy storage data of the multi-source power grid are obtained again, the obtained power generation and utilization data and the energy storage data of the multi-source power grid are substituted into the balance regulation and control unit again, and the adjustment control scheme or the balance regulation and control unit is selectively adjusted. Therefore, the energy dynamic balance of the micro-grid system is realized. The power output and input of different new energy distributed power supplies in the micro-grid system are balanced and optimized through the balance regulation and control unit, so that the stability, reliability and high efficiency of the micro-grid system are ensured.

The utility model discloses a coil oil pressure device with a pressure detection mechanism, which comprises a base plate and a tank body, the tank body is welded on the left side of the top of the base plate, a pressing chamber is welded on the lower part in the tank body, a shell is welded at the top end of the outer part of the tank body, and a servo motor is fixed on the right upper part of the outer part of the shell; a meshing gear is movably connected to the left of the inner side of the shell, and a transmission gear is movably connected to the right of the inner side of the shell. According to the coil oil pressure device with the pressure detection mechanism, the shell is welded to the top end of the outer portion of the tank body, a servo motor is started, a transmission gear pushes and rotates a meshing gear, and under the limitation of a left side supporting frame, a lead screw and a pressing disc can vertically ascend and descend on the shell and the tank body to press materials along the inner wall of a pressing cavity; the rollers at the bottom of the support frame slide along the chutes, and then press the gravity sensor at the top of the telescopic rod and detect the force of the gravity sensor, so that the problem of lack of pressure detection is solved.

The application provides a multi-modal disease auxiliary reasoning system and method, a terminal and a storage medium, and particularly relates to the technical field of artificial intelligence, and comprises a multi-modal information acquisition module, a multi-modal information preprocessing module, an entity extraction module, a medical causal knowledge database and a multi-modal classification and discrimination module connected in sequence, realizes preprocessing, entity extraction and modal classification and discrimination of various modal information of a patient, matches the entity with medical knowledge data in the medical causal knowledge database, then extracts various modal features based on the matching result, splices the various modal features according to a set rule, inputs a classifier to obtain a reasoning result. The scheme fully utilizes various modal features, the extracted entity is more accurate and comprehensive, can improve the accuracy of matching the entity with the medical causal knowledge database, has better generalization, the reasoning result is more accurate, and is beneficial to improving the artificial diagnosis efficiency.

The utility model discloses screening equipment for corn processing, and relates to the technical field of corn processing, the screening equipment comprises a base and a screening mechanism, a plurality of supporting columns are fixedly installed on the upper surface of the base, a transition section is fixedly installed above the supporting columns, a processing bin section is fixedly installed above the transition section, and a feeding bin is fixedly installed above the processing bin section; a plurality of rubber springs are fixedly installed on the upper surface of the base, a connecting piece is fixedly installed on the lower surface of the screening mechanism, and a vibration motor is fixedly installed on one side of the connecting piece. According to the utility model, the filter cabin section, the screw rod, the moving block and the fan are arranged in a matched manner, and the partition block shunts fed materials, so that necessary conditions are provided for the fan to blow away dust and light impurities in the materials to be processed, the pretreatment of corns is realized, and the pollution in the screening process is reduced; and through cooperation of the inserting columns, the screen frames and the screening mechanism, the screen frames with different screening meshes can be conveniently replaced to meet the machining requirement when different screening requirements and specifications are met.

The invention relates to the technical field of data processing, in particular to a control method of a compensation controller in a low-voltage power distribution system, which comprises the following steps of: after a reactive compensation controller is initialized, inputting a group of capacitors, and monitoring voltage and current signals at an output end of the power distribution system and a capacitor access point transformer side to obtain monitoring data; cleaning, sorting, converting, transforming and screening the monitoring data in sequence to obtain final data; calculating a power factor based on the final data; and based on the power factor, cutting off and inputting a capacitor to obtain a control result. According to the method, preprocessing of the data before calculation is achieved through the steps, the effectiveness of the data is improved, then the accuracy of subsequent calculation is improved, and the problem that redundant data existing in the data can affect subsequent calculation due to the fact that the monitored data is not preprocessed after the reactive compensation controller is initialized is solved.

The invention discloses a multi-task risk assessment method for a sea wind grid-connected system based on human feedback reinforcement learning, and belongs to the technical field of power grids, and the method comprises the steps: obtaining a training set based on a plurality of time sequence data of the sea wind grid-connected system, the training set comprising a first sub-training set, a second sub-training set and a third sub-training set, the first sub-training set is used for training an abnormal value detection task, the second sub-training set is used for training a missing value filling task, the third sub-training set is used for training a prediction task, and the output of the prediction task is used for risk assessment; establishing a multi-task risk assessment model; training a multi-task risk assessment model by adopting the training set, and performing reinforcement learning on the multi-task risk assessment model by adopting a human feedback reinforcement learning algorithm in the process of training the multi-task risk assessment model; and performing risk assessment based on the trained multi-task risk assessment model. According to the method, the accuracy degree of risk assessment of the model under the multi-task sea wind grid-connected system can be improved.

The utility model discloses a cold header wire pretreatment device in the technical field of cold headers, which comprises a base and a treatment box, a wire body is placed in the treatment box, a polishing and grinding mechanism is arranged on the left side of an inner cavity of the treatment box, the polishing and grinding mechanism comprises a rotatably connected grinding gear sleeve, and an electric telescopic rod is mounted on the inner wall of the grinding gear sleeve. The telescopic end of the electric telescopic rod is connected with a polishing plate, a cleaning unit is arranged on the right side of an inner cavity of the treatment box, the cleaning unit comprises a round sleeve, the bottom of the round sleeve is provided with a dust collector arranged in a communicating mode, and a collecting box arranged in a sliding mode is arranged on the right side of the bottom wall of the inner cavity of the treatment box. The grinding plate can be in contact with the outer walls of the wires with different diameters, and pretreatment of the cold header wires with different sizes is achieved; and residues on the ground wires can be collected into a collecting box in a unified mode, the wire pretreatment effect is guaranteed, manual follow-up cleaning is not needed, and the working efficiency is effectively improved.

The utility model relates to the field of waste gas collecting devices, and discloses a waste gas collecting device for copper strip environment-friendly production, which comprises a sucking pump, the left side of the sucking pump is fixedly connected with a first connecting pipe, the left side of the first connecting pipe is fixedly connected with a first gas collecting box, and the middle part of the left side of the first gas collecting box is fixedly connected with a gas inlet; a second connecting pipe is fixedly connected to the right side of the sucking pump, a second gas collecting box is fixedly connected to the right side of the second connecting pipe, a gas outlet is fixedly connected to the top side of the second gas collecting box, and replacement grooves are formed in the left end of the front side of the first gas collecting box and the upper portion of the front side of the second gas collecting box correspondingly; a vertical rubber pipe is arranged on the inner circumference of the replacement groove in the left side, and a transverse rubber pipe is arranged on the inner circumference of the replacement groove in the right side. According to the waste gas pretreatment device, the filter screens are more convenient to replace when being blocked, the subsequent waste gas treatment efficiency is prevented from being reduced due to the filter screens during waste gas pretreatment, and the waste gas pretreatment is realized due to the arrangement of the plurality of filter screens and the adsorption plates.

The utility model relates to the technical field of textile detection, and discloses an automatic sample preparation device for textile fiber quantitative analysis, which comprises an operation table, the left side of the top of the operation table is fixedly connected with a processing frame, a cavity is formed in the processing frame, the front side and the rear side of the top of the cavity are fixedly connected with first springs, and the first springs are connected with second springs. A connecting plate is fixedly connected to the other end of the first spring, a transmission assembly is arranged at the top of the connecting plate, fixing columns are fixedly connected to the front side and the rear side of the connecting plate correspondingly, brush plates are fixedly connected to the tops of the fixing columns, and a baffle is fixedly connected to the top of the treatment frame; a connecting frame is fixedly connected to the middle of the top end of the operation table, and a limiting assembly is arranged at the bottom of the connecting frame. According to the textile sampling and conveying device, pretreatment of textiles is achieved, the influence on detection results is reduced, sampling and conveying of the textiles are achieved, manual intervention is reduced, and the detection accuracy is improved.