83results about How to "Reduced post-processing time" patented technology

A post-processing system is provided for cleaning and / or curing a part produced by solid freeform fabrication (SFF). The post-processing systems include a housing, a part retaining device to retain the part within the housing, and an actinic radiation source to cure the part with actinic radiation. The systems also include a fluid circulation device adapted to expose the part to cleaning fluid and / or to allow the cleaning fluid to absorb actinic radiation to permit filtration of removed build material to allow extended use of the cleaning fluid. Certain systems include a first rotating portion that can rotate the retained part about a first axis, and further systems include a second rotating portion that can rotate the retained part about a second axis. The systems also include additional features to provide safe and efficient cleaning and / or curing of parts produced by SFF.

The invention discloses a remote sensing image airplane detection method based on fusion of angle points and edge information. The method comprises the following steps of: executing edge detection on a remote sensing image; performing binarization on the detected remote sensing image; executing Harris angle point detection on the binarized remote sensing image; selecting regions in which the number of the angle points is in a predetermined range as candidate airplane regions; removing false target regions according to the number of bright pixels in each candidate airplane region; clustering the obtained image and marking a target airplane position, thus finally obtaining the number of obtained clusters and a central position of each cluster, wherein the number of the obtained clusters is the number of detected airplanes, and the central position of each cluster is the central position of a target airplane. The invention further discloses a remote sensing image airplane detection system comprising an edge connection unit, a binarization processing unit, an angle point detection unit, a candidate airplane region selection unit and a clustering unit which are orderly connected. Compared with the prior art, the method has the advantages of better detection effect and higher detection efficiency.

Systems and methods are described for wafer processing. A wafer processing apparatus includes: a first wafer transporter; a process station coupled to the first wafer transporter, the process station including: a first plurality of wafer processing stacks, each of the plurality of wafer processing stacks including a plurality of wafer processing modules, and a second wafer transporter coupled to the plurality of wafer processing modules, each of the plurality of wafer processing modules adjacent, and accessible by, the second wafer transporter; and a third wafer transporter coupled to the process station, wherein any of the plurality of wafer processing modules in any of the plurality of wafer processing stacks can be accessed by at least two adjacent wafer transporters from among the first, second and third wafer transporter. The systems and methods provide advantages from minimizing pre-process and / or post-process times, minimizing variation of the pre-process and / or post-process times and reducing robot over utilization.

A post-processing system is provided for cleaning and / or curing a part produced by solid freeform fabrication (SFF). The post-processing systems include a housing, a part retaining device to retain the part within the housing, and an actinic radiation source to cure the part with actinic radiation. The systems also include a fluid circulation device adapted to expose the part to cleaning fluid and / or to allow the cleaning fluid to absorb actinic radiation to permit filtration of removed build material to allow extended use of the cleaning fluid. Certain systems include a first rotating portion that can rotate the retained part about a first axis, and further systems include a second rotating portion that can rotate the retained part about a second axis. The systems also include additional features to provide safe and efficient cleaning and / or curing of parts produced by SFF.

The invention discloses a magnetic-control liquid crystal material, a preparation method of a liquid crystal display device and a display device, which relate to the technical field of the liquid crystal display, and solve the problem of the existing preparation method of the magnetic-control liquid crystal material that the manufacturing cost of the magnetic-control liquid crystal material is increased due to complicated process and long post-treatment time of the material. According to the embodiment of the invention, in the process that cholesteric liquid crystal is formed, a chiral compound which can have bonding action with ferroferric oxide (Fe3O4) magnetic nano particles is added into nematic phase liquid crystal, so that the Fe3O4 magnetic nano particles are bonded with the chiral compound to form a chemical bond. Therefore, a step for chirally modifying the Fe3O4 magnetic nano particles in the prior art can be omitted, the post-treatment time of the material can be shortened, so that the manufacturing cost of the magnetic-control liquid crystal material can be reduced. The embodiment of the invention is mainly used for a liquid crystal display device.

The invention discloses an anchor-point-free face detection method and a system. The method comprises the steps of inputting a to-be-detected face image into a trained face detection network for facedetection; performing face feature extraction on the trained face detection network, and outputting a face heat map, a face scale map and a face center offset map; regarding points greater than a preset threshold in the human face heat map as human faces; and extracting a face coordinate offset from a corresponding position on the face center offset map, adding the face coordinate offset to the coordinates of the face heat map to obtain a final face center position, and finally calculating the width and height of the face on the face scale map to obtain the coordinates of the face. According to the method, the human face is expressed as the central point of the human face frame, and then the size of the human face frame is directly returned according to the image features of the central position, so that the post-processing time of tedious anchor points is reduced, and a rapid and efficient human face detection task is realized.

A system for remotely sensing a target material in situ include a broad-band laser source, at least one tunable filter coupled to the source laser for generating a swept-frequency signal an optical device for splitting the swept-frequency signal into a first illumination signal and second illumination signal, a first optical path for directing the first illumination signal unto the target material and receiving a reflected signal from the target material, a second optical path for receiving the second illumination signal and generating a spectral reference signal, and a controller coupled to the first optical path and the second optical path for adjusting the frequency and spatial resolution of the laser source based at least in part on a comparison of the spectral reference signal and the reflected signal.

The invention relates to a method for analyzing the hydraulic loss of a centrifugal pump based on an entropy theory. The method comprises the following steps of A, using three-dimensional modeling software for modeling for the computational domain of the centrifugal pump; B, introducing the model of the computational domain obtained in the step A into analysis software for performing mesh dividing; C, performing constant incompressible full flow passage flow field viscous numerical calculation on the computational domain after mesh dividing; D, comparing the lift and efficiency in the numerical calculation result of the step C with the lift and efficiency of the centrifugal pump under design conditions, thus obtaining the mesh dividing with the optimal mesh number; E, based on the mesh dividing with the optimal mesh number obtained in the step D, compiling an entropy generation formula into the post processor of the analysis software by using a programming language, thus obtaining data after entropy analysis; and F, introducing the data after entropy analysis obtained in the step E into data processing software for drawing, and thereby obtaining a corresponding entropy analysis result.

The invention provides a continuous variable secret key distribution method based on biphase modulation and data post-processing. The method comprises the following two portions of a first portion, abiphase modulation portion; and a second portion, a novel data post-processing portion in which secrecy strengthening is performed firstly and then secret key negotiation is performed, wherein in thebiphase modulation portion, two phase modulators are adopted to carry out information modulation on a quantum coherent state so as to realize perfect Gaussian modulation; and in the novel data post-processing portion, the secrecy strengthening is performed firstly and then the secret key negotiation is performed in a data post-processing phase. In the invention, a new modulation mode is realized;and a new data post-processing scheme can be used to increase a data post-processing speed so that a safe secret key rate of a whole continuous variable quantum secret key distribution system is increased.

The invention relates to a method for environmentally and efficiently preparing polycarbosilane, comprises the following steps: enabling a reactant dimethyl dichlorosilane to react with metallic sodium in an organic solvent to prepare polysilane, removing the solvent, reacting with residual metallic sodium by using alcohol, directly feeding into a cracking kettle to prepare low-molecular weight liquid state cyclic polysilane, and finally preparing polycarbosilane from the liquid state cyclic polysilane. The method has the advantages that the processes of washing and drying the polysilane for a plurality of times, which are long in time-consuming and capable of producing industrial wastewater, are avoided in an existing process route of producing the polycarbosilane; meanwhile, the solvent and the alcohol adsorbed in the polysilane can be subjected to secondary recycling in the process of preparing the liquid state polysilane. The pilot scale test data shows that compared with the prior art, the method has the advantages that the production period is saved by 30-50%, the solvent recycling rate is increased by 10-20%, the industrial wastewater containing a benzene organic solvent cannot be produced, the working environment is purified, and the reaction residue is fluffy solid residue, and can be easily cleaned from a reaction still.

The invention discloses a post-processing system for phase polarization joint modulation QKD. The system comprises a sender and a receiver. Each of the sender and the receiver comprises an informationinteraction unit, a parameter estimation unit, an error correction unit and a confidentiality amplification unit which are connected in sequence. The information interaction unit, the parameter estimation unit, the error correction unit and the confidentiality amplification unit of the sender are respectively connected with the information interaction unit, the parameter estimation unit, the error correction unit and the confidentiality amplification unit of the receiver in a one-to-one correspondence manner through channels. According to the invention, aiming at the characteristics of a phase polarization joint modulation QKD system and a double-speed protocol used by the phase polarization joint modulation QKD system, a traditional transceiver base vector comparison step is not needed in the information interaction unit, so that the information interaction amount is reduced, and the post-processing efficiency is improved; and the parameter estimation unit estimates the bit error rate of the key by using a packet parity check method, and selects a reasonable error correction method and a secrecy amplification method after estimating channel parameters, so that the correctness andthe safety of quantum key distribution are improved by the steps.

The invention provides a method and a special device for automatically measuring coal pile volume. The method comprises the steps of: firstly, disposing a plurality of markers on a coal pile; secondly, cruising the coal pile a circle by a cruising car, wherein while moving, the cruising car scans every marker, a laser range finder on the cruising car acquires the distances S from the cruising car to the markers and pitch rotation angles Phi, a GPS (global positioning system) sensor arranged on the cruising car provides a current horizontal rotation angle beta, the distance from the laser range finder to the ground is H, and the spatial coordinate of one marker can be obtained; processing the acquired spatial coordinates of all markers to form a three-dimensional figure of the coal pile; and calculating the volume of the coal pile according to the three-dimensional figure of the coal pile. The method and the special device can accurately measure the volume of the coal pile and are easy to implement.

The invention discloses a kitchen waste treatment device and a kitchen waste treatment method. The kitchen waste treatment device comprises a feeding hopper, a screw conveyor, a stirring and mixing chamber, an EM storage box and a filling and sealing machine. The feeding hopper, the screw conveyor, the stirring and mixing chamber and the filling and sealing machine are sequentially connected. A valve is arranged on a discharging opening of the screw conveyor. A drain outlet is formed in the pipe wall, below the feeding opening side of the valve, of the screw conveyor. The drain outlet is connected with a sewage draining pipeline. A screen is mounted on the drain outlet. The EM storage box communicating with the stirring and mixing chamber is arranged on the stirring and mixing chamber. By the adoption of the kitchen waste treatment method, kitchen waste can be treated in time, the storage life of the kitchen waste is greatly prolonged, and the storage safety of the kitchen waste is greatly improved; and the treated kitchen waste can be stored and transported conveniently, meanwhile anaerobic fermentation can continue in the storage and transportation processes, and the subsequent treatment time of the kitchen waste is shortened greatly.

The invention discloses automatic integration equipment used for paint production, which comprises a bentonite slurry preparation system, an auxiliary agent addition preparation system, an auxiliary agent automatic charging rail intelligent vehicle, a frame, a guide rail frame and respective matched automation control system integration equipment. The guide rail frame is arranged at one side of the frame, the bentonite slurry preparation system and the auxiliary agent addition preparation system are arranged at top of the frame, a mobile feeding device is connected on the guide rail frame in a movable and slidable mode. The feeding device enables back and forth movement along the guide rail frame, stirring of a solvent and bentonite powder can be realized by the bentonite slurry preparation system, the stirred material is discharged into a material cylinder by a piston injection principle, a process for completing automatic bentonite slurry and auxiliary agent preparation is set according to the preparation formula ratio, the automatic integration equipment is used for completing the automatic bentonite slurry and auxiliary agent addition operation process according to the addition of a charging formula, preparation and addition processes can be more accurate, work environment for staff is improved, and labor intensity is reduced.

The invention discloses a copper based metal organic skeleton material and a preparation method thereof. The preparation method comprises the following steps: dissolving an organic ligand namely 2,7-bis(3,5-dibenzoic acid)-9-fluorenone and a copper source into an amine solvent and deionized water, evenly stirring in a hermetical space; then adding a nitric acid solution, evenly mixing, then transferring the enclosed container to a baking oven to carry out crystallization; subjecting the obtained blue-green hexagonal crystals to multi-stage solvent extraction and solubilization treatments with N,N'-dimethyl formamide and methanol in sequence, and performing vacuum drying to obtain the pure metal organic skeleton material. The metal organic skeleton material comprises a secondary structural unit, which is formed through coordination between a Cu2(COO)4 structural unit and oxygen atoms of carboxylic acid. The secondary structural units are linked to each other so as to form a three dimensional channel structure. The provided copper based metal organic skeleton material is especially suitable for selective adsorption separation of mixed gas (acetylene, ethylene, and ethane), the operation conditions are mild, and the service life is long.

The invention relates to a method for extracting purified chlorogenic acid from jerusalem artichoke leaves. The method comprises the following steps: by adopting jerusalem artichoke leaves as raw materials, performing heating reflux or ultrasonic extraction, and performing solid-liquid separation to obtain a chlorogenic acid extracting liquid, then performing membrane separation and membrane concentration, passing through a macroporous resin column, feeding an impurity washing liquid for impurity washing, performing elution by using an eluent until high performance liquid chromatography (HPLC) detects that no chlorogenic acid flows out, and collecting the eluent, performing reduced pressure concentration on the eluent, performing decoloration by using activated carbon, and then performing spray-drying to obtain high-purity chlorogenic acid with the chlorogenic acid purity of more than 94%. The method disclosed by the invention is large in sample treatment quantity and simple to operate, and is suitable for industrial production; the defects that traditional Chinese medicine resources such as honeysuckl and the like are used as chlorogenic acid extraction raw materials can be overcome, the purpose of changing waste into wealth can be achieved, and a new source for extracting chlorogenic acid can be provided; and the method has relatively good economic, social and environmental benefits.

The invention discloses a method for promoting seeds of ardisia japonica to rapidly germinate. The method concretely comprises the steps of physical damage, sulfuric acid treatment, hormone treatment, electric field treatment, magnetic field treatment, radiation treatment and sowing preparation. The invention provides the method for promoting the seeds of the ardisia japonica to rapidly germinate; multiple methods are combined together and cooperate with one another, so that the pretreatment time is shortened to 5-6 days, the germination time after planting is shortened to 17-19 days, the time is saved, the working efficiency is increased, and the germination rate reaches 78.3-82.7%; the shells of the seeds are damaged by a physical method, so that the after-treatment time is shortened; the seeds are soaked into a low-temperature sulfuric acid solution and a high-temperature hormone solution, so that the hard shells of the seeds are corroded and damaged; the seeds can be sterilized at the same time, so that the stress resistance of the seeds at a later stage is improved; the seeds are treated by multiple hormones, so that the activity of dormant substance in the seeds can be inhibited, and germination is promoted; electric field treatment, magnetic field treatment and radiation treatment can be used for activating the activity of enzyme in the seeds so as to induce seed germination, so that the yield and quality of the ardisia japonica can be improved.

The present invention relates to a scanning device with a positioning senor and a processing method to obtain images, comprising a casing, linear contact image sensor (CIS), further comprising a system processor P3 for controlling the work of said CIS by timing signal, the optical coordinate sensors and the displacement processor P1 and P2 for estimating the coordinate increment (8001) and the coordinate increment (8002) of the real-time displacement, an A / D circuit and data buffer; said system processor P3 packets original scanning data with positioning information (8004), and then transfers to the upper machine. An image processing module in the upper machine de-packets said original scanning date (8004); Converts out the coordinate of the terminal pixel of said linear contact image sensor (CIS), and configures the image line in the object image configuring area; and calculates and rectifies the relative offset of the positioning coordinate of the two scanning bands making using of the statistical characteristic of part of pixel data in the overlapped area of the two scanning bands.

The present invention discloses a method for preparing 5-bromo-2-hydroxy-3-nitrophenylethanone. The method comprises that: (1) in the presence of an alkali, tetrachloroethylene is adopted as a reaction solvent, bromophenol completesly reacts with an acetylation reagent to obtain a tetrachloroethylene solution of bromoacetic acid phenolester; (2) Lewis acid is added to the resulting solution from the step (1) to completely carry out a Fries rearrangement reaction to obtain a tetrachloroethylene solution of 5-bromo-2-hydroxy acetophenone; (3) a nitration reagent is added to the resulting solution from the step (2) in a dropwise manner to completely carry out the reaction to obtain the 5-bromo-2-hydroxy-3-nitroacetophenone. According to the preparation method provided by the present invention, the three-step reaction is adopted, the tetrachloroethylenes having the same batch are adopted for purifying the final product, such that the solvent consuming is reduced, the cost is reduced, the post-processing time is shortened and the operation steps are simplified; the toxicity of the tetrachloroethylene is far less than the toxicities of chloroform and carbon tetrachloride, such that the hazards on the human body and the environment are less; the tetrachloroethylene is easy to reclaim; the industrialization is easy to realize.

The invention discloses a high-energy-storage double-layer-wall-material phase change microcapsule. According to the phase change microcapsule, an organic phase change material is taken as a core material, urea resin is taken as an outer-layer wall material, and a vinyl polymer is taken as an inner-layer wall material; the mass ratio of the urea resin to the vinyl polymer in the wall materials is 1 to (0.3-1.7); a cross-linking agent is an small organic molecule with two groups including double bonds and hydroxymethyl; and the mass ratio of the core material to the wall materials is (1-3.5) to 1. The double-layer-wall-material phase change microcapsule has the advantage that a urea resin microcapsule is hydrophilic and is not easily agglomerated, and polymethyl methacrylate is low in hydrophobic permeability when uniform particle sizes and high embedding rate are guaranteed.

Systems and methods are described for wafer processing. A wafer processing apparatus includes: a first wafer transporter; a process station coupled to the first wafer transporter, the process station including: a first plurality of wafer processing stacks, each of the plurality of wafer processing stacks including a plurality of wafer processing modules, and a second wafer transporter coupled to the plurality of wafer processing modules, each of the plurality of wafer processing modules adjacent, and accessible by, the second wafer transporter; and a third wafer transporter coupled to the process station, wherein any of the plurality of wafer processing modules in any of the plurality of wafer processing stacks can be accessed by at least two adjacent wafer transporters from among the first, second and third wafer transporter. The systems and methods provide advantages from minimizing pre-process and / or post-process times, minimizing variation of the pre-process and / or post-process times and reducing robot over utilization.

The invention relates to a pipeline coagulation method for quickly reducing outfall pollution. The method comprises the following steps: adding a coagulant and a flocculant into a tail-end drainage pipeline, and directly carrying out coagulation and flocculation in the tail-end drainage pipeline. Compared with the prior art, the tail-end drainage pipeline is used for carrying out mixing and coagulation flocculation reaction on sewage, so that the subsequent treatment time can be greatly shortened, the treatment efficiency is improved in a disguised manner, rapid discharge of redundant rainwater and sewage mixed water can be realized in rainy days, and urban drainage is not influenced; the space of a tail-end drainage pipeline is utilized, a subsequent mixing tank and a subsequent reactiontank are omitted, the occupied area is reduced by 32.6%-75%, and an effective reference method is provided for an urban drainage system with land shortage; and the response time of the reaction tank is saved while a coagulation and flocculation reaction tank is omitted, so that the total response time is shortened, and the stability of the effluent quality is accelerated.

The invention discloses a reciprocating compressor energy efficiency analysis system based on a p-V diagram test. The system comprises a hardware module and a software module, the hardware module comprises a pressure sensor, a pressure transmitter, a temperature sensor, a key phase sensor, a mutual inductor and a data acquisition card, the software module comprises data display, data processing and data storage. The system can achieve real-time measurement and analysis of the flow rate, indicated power, motor power and efficiency of a reciprocating compressor, so that the operation situation of the reciprocating compressor is reflected. The system has the beneficial effects that the compressor flow can be obtained through p-V diagrams of measured cylinders at each level without the need ofinstalling a flowmeter on a compressor pipeline; the p-V diagrams of the measured cylinders at each level can reflect the change of air volume at all levels, the indicated power at all levels and thetotal indicated power intermediately; the compressor energy efficiency analysis system based on the p-V diagram test can complete the real-time data processing, the measurement efficiency is improved, and the technology is simple and convenient, and easy to implement.

The invention discloses a method for preparing apixaban. The method comprises the following steps: 1) subjecting a compound represented by a formula II to a reaction with a compound represented by a formula III in a two-phase system of water and an organic solvent, so as to obtain a compound represented by a formula IV; 2) subjecting the compound represented by the formula IV to a cyclization reaction in the presence of alkali and a phase transfer catalyst, so as to obtain a compound represented by a formula V; and subjecting the compound represented by the formula V to an ammonolysis reaction, thereby obtaining the apixaban represented by a formula I. The method is simple in operation and low in cost and is applicable to large-scale industrial production.

A system for the post-treatment of preforms (9) produced by means of injection moulding, including a removal element (4) having at least one receiving element (5) for receiving a preform (9), and a device for moving the removal element (4) between two tool halves of an opened injection moulding mould and for moving the removal element (4) out of the opened injection moulding mould, a post-treatment element (6) having at least one post-treatment pin (7) having a pin-shaped passage element (7), of which one end can be connected to the environment or a vacuum or reduced-pressure source and of which the other end has an outlet (18) for a coolant, and a motion device with which the removal element (4) can be reciprocated relative to the post-treatment element (6) between a first position in which the post-treatment pin (7) is positioned within the receiving element (5) and a second position in which the post-treatment pin (7) is not positioned within the receiving element (5), wherein the removal element (4) and the post-treatment element (6) are so designed that in the first position coolant can be introduced by way of the coolant inlet into a preform held in the receiving element (5) in such a way that it can flow between the inside wall of the preform (9) and the outside wall of the pin-shaped passage element (7) to the coolant outlet (18) and can be discharged by way of the passage element (7).

A purification method of polyarylether by using water and an alcohol mixed solvent under high temperature and belongs to the technical field of polymer materials. The method is as below: fully mixing the polyarylether powder with alcohol or n-butyl alcohol or an aqueous solution of the two mixed in any proportion, conducting hydrothermal purification treatment for 20-50 min; and cooling to room temperature, filtering, and drying the obtained polyarylether at 140-160 DEG C for 4-6 h, so as to obtain polyarylether with a low metal ion content. The invention uses a mixed solvent of water and isopropanol or butanol for purifying polyarylether. The introduction of isopropanol and n-butyl alcohol effectively reduces the surface energy of water, and increases the capacity of entering and exiting the honeycomb polyarylether material of water. At higher temperature, the polymer molecule chains have a higher exercise capacity, which facilitates diffusion and desorption of metal ions. After the process is completed, vacuum drying under reduced pressure is carried out to remove the remaining water and n-butyl alcohol and reduce the post-post-treatment time and costs.

The invention belongs to the technical field of plant extraction, and particularly relates to a method for extracting and purifying alkaloid in plants and an application. The plant alkaloid is obtained through combination of flash extraction with micro-controlled extraction, and extremely short extraction time and a sufficient and complete distilling manner are used, so that the method disclosed by the invention concurrently has the characteristics of being quick and efficient; the extraction rate and the distilling rate of alkaloid are high, the content of obtained active components is high,the content of impurities is low, the operation time is short, the usage quantity of a solvent is low, and a convenient and efficient obtaining way is provided for extraction and purification of effective components in medical and edible plants.

The invention belongs to the technical field of shot blasting machines, and particularly relates to a full-automatic numerical control shot blasting machine. The full-automatic numerical control shotblasting machine comprises a shell, a roller, an arc-shaped plate and a feeding plate, wherein a feeding cylinder is arranged in the center of the upper surface of the shell; the roller is arranged under the feeding cylinder, and a first rotating shaft is arranged in the center of the roller; a rocker designed to be shaped like a Chinese character "gong" is arranged in front of the first rotatingshaft; the arc-shaped plate is arranged under the roller; a connecting rod is hinged between the left end of the arc-shaped plate and the central concave part of the rocker; a collecting plate is arranged below the arc-shaped plate; a feeding opening is formed in the middle of the roller on the left side wall of the shell, and an obliquely designed feeding plate is arranged at the feeding opening;and the cross section of the feeding plate is in a waveform design, and the wave crest of the end, close to the roller, of the feeding plate is fixedly connected with a fixing rod. Through the mutualcooperation of the feeding plate, the roller and the arc-shaped plate, automatic classification of steel bars and other workpieces is achieved, the post-processing time is saved, and resource waste is reduced.

The invention relates to a processing method for removing hydrolyzed reactive dyes on a cotton knitted fabric by using a solvent water system. The processing method comprises the steps that: (1) residual dye liquid is removed after the cotton knitted fabric is dyed, then washing and soaping are carried out; (2) a solvent and water are mixed according to the volume ratio of 1:1-1:3 under the condition of room temperature, and the pH value of the mixture is adjusted to form a solvent water system; and (3) the pretreated dyed cotton knitted fabric is processed for two times by using the solvent water system. According to the method, the dyed cotton knitted fabric is processed by the low-temperature solvent water system for two times rather than one-time high-temperature washing and two-time room-temperature washing in the conventional washing process, the after treatment time is shortened, the production efficiency is improved, and the production cost is reduced; the recovery and recycling of sources is achieved through a solvent recovery system, the production cost is saved, and the environment pollution is reduced; and the after treatment water consumption is greatly saved due to the recovery and repeated use of the solvent, the waste water discharge is reduced, the energy consumption is reduced, and remarkable economic benefit and social benefit are achieved.