103results about How to "Improve craftsmanship" patented technology

The invention discloses a medium-temperature curing high-temperature-resistant high-adhesion epoxy structural adhesive film as well as a preparation method and application thereof. The preparation method comprises the following steps: reacting high-rigidity diisocyanate with polyether polyol to obtain a polyurethane prepolymer, then adding bisphenol epoxy resin to carry out grafting reaction, and then adding carboxyl-terminated nitrile rubber to react with an epoxy group to obtain the high-temperature-resistant high-adhesion epoxy resin. And finally, mixing with a curing system and coating to obtain the intermediate-temperature curing high-temperature-resistant high-adhesion epoxy structural adhesive film. The preparation process disclosed by the invention is reasonable, and the high-temperature resistance of the adhesive film is remarkably improved by introducing high-rigidity groups such as naphthalene ring, biphenyl or p-benzene while the excellent processing property of the adhesive film is ensured; and through the synergistic effect of the polyurethane flexible chain segment and the nitrile rubber, the toughness and the adhesive property of a resin system are improved, and the loss of the resin in the forming process is reduced.

The invention provides a compost maturity evaluation method and application. According to the method, an optimized data set is provided for establishing an optimal prediction model for machine learning by performing Meta analysis data preprocessing. Determining thresholds of four internal maturity indexes suitable for the data set by adopting a statistical method; and calculating the maturity day number meeting the statistical maturity threshold value by using the optimal prediction model. And carrying out importance grade sorting on the four internal maturity indexes in the compost heap by using a K-means unsupervised clustering algorithm based on the statistical maturity threshold. And according to the importance grade sequence, an analytic hierarchy process (AHP) is used to establish weight endowing, maturity days of different indexes are multiplied by corresponding weights and summed, and the unified compost maturity evaluation days are obtained. According to the method, key support is provided for machine learning modeling by means of Meta analysis, the machine learning model and the analytic hierarchy process based on Kmeans unsupervised clustering are combined, a comprehensive evaluation framework of compost maturity is established, and a new thought is provided for maturing judgment of charcoal compost.

The invention belongs to the technical field of resin modification research, and particularly relates to a preparation method of toughened bismaleimide resin. The preparation method comprises the following steps: pre-polymerizing a diamine toughening agent and bismaleimide resin to form a prepolymer A, blending the bismaleimide resin by virtue of the prepolymer A and diallyl bisphenol a with different contents, and curing the blended resin by adopting a specific process after blending, so as to obtain the toughened bismaleimide resin cured product. The toughened bismaleimide resin cured product prepared by the invention has excellent toughness and heat resistance.

The invention discloses an alcohol modified organic silicon emulsion as well as a preparation method and application thereof. The alcohol modified organic silicon emulsion is prepared by mixing and reacting the following components in percentage by mass: 20%-30% of cyclic siloxane, 1%-3% of epoxy alkoxy silane, 0.5%-5% of a nonionic surfactant, 5%-10% of an anionic surfactant, 1%-2% of strong acid, 0.1%-0.5% of a chain end capping agent, 1%-5% of hydroxyl-terminated polydiorganosiloxane and the balance of water. The alcohol-modified organic silicon emulsion can be mixed with amino-modified silicon emulsion or epoxy-modified organic silicon emulsion in proportion for use and is moderately cross-linked, so that a film can be formed to play a better role in protecting fibers, and the phenomenon of roll sticking caused by excessive cross-linking of the traditional amino-epoxy-modified organic silicon emulsion in the heating process can be avoided; and the fiber quality and the manufacturability are greatly improved.

The invention provides a high-thrust backing-up gas turbine sliding thrust bearing with a silver coating. The high-thrust backing-up gas turbine sliding thrust bearing comprises a shell, an oil supply isolating ring and tiles. An oil supply isolating ring is mounted on the shell; the tile blocks are mounted in the oil supply isolating ring; the tile block is provided with an inclined surface and can be rotationally adjusted around a fulcrum; the tile block pouring is made of lead bronze, and silver is plated on the surface of the lead bronze. The coating material of lead bronze and silver plating is adopted, the manufacturability of the coating material is improved, the working temperature of the sliding bearing is greatly increased, and the stability and firmness of the coating at the high temperature are guaranteed. The sliding bearing can realize forward and reverse rotation under the conditions of high temperature, high speed and large load, has very high stability and reliability, fills the blank of the design of the sliding bearing of the domestic high-power gas turbine capable of reversing, and provides a reference and a design thought for the design of the gas turbine with higher power in the future.

The invention relates to the technical field of light-cured nitride ceramic materials, in particular to low-viscosity light-cured nitride ceramic slurry as well as a preparation method and application thereof. The light-cured nitride ceramic slurry is prepared by carrying out ball milling and mixing treatment on nitride ceramic composite powder, polyacrylate, a first dispersing agent DC, a stabilizer and a photoinitiator according to the mass ratio of (65 to 75) to (15 to 30) to (1.0 to 5.0) to (5.0 to 10.0) to (0.5 to 1.5). According to the photocuring nitride ceramic slurry, the solid content is larger than or equal to 65 wt.%, the photocuring depth is larger than or equal to 60 micrometers, the viscosity is smaller than or equal to 2500 mPas, the viscosity change rate is smaller than or equal to 10% after the slurry naturally stands for 200 h, the sedimentation rate is smaller than or equal to 20%, and the technical problem that the solid content, the viscosity, the photocuring depth and the long-term stability of traditional photocuring nitride ceramic slurry are difficult to consider at the same time is solved. And the manufacturability of nitride ceramic slurry photocuring 3D printing of large-size complex structural parts is remarkably improved.

According to the display panel, the preparation method thereof and the display device provided by the invention, the thicknesses of the electrodes with different colors are set to be different, so that the light-emitting effects of the pixels with different colors are optimal, and the display effect of the display panel is improved; meanwhile, due to the fact that the thicknesses of the electrodes of different colors are different, when the packaging layers of different colors are etched by adopting the same etching amount, the thin electrodes are difficult to resist etching and easy to be etched through, and then pits appear on the film layer below. Therefore, the thicknesses of the sub-packaging layers with lower density in the different isolation openings are set to be different, the thinner first color electrode corresponds to the thinner sub-packaging layer, and the thinner sub-packaging layer can be etched with less etching amount, so that the thinner first color electrode is prevented from being etched through, and the processing performance of the display panel is improved.

The invention provides a Babbitt metal thickened sliding thrust bearing for a gas turbine capable of reversing. The Babbitt metal thickened sliding thrust bearing comprises a shell, an oil supply isolating ring and a tile block, an oil supply isolating ring is mounted on the shell; the tile blocks are mounted in the oil supply isolating ring; the tile block is provided with an inclined surface and can be rotationally adjusted around a fulcrum; the tile coating is made of tin-based babbitt metal with a thickened coating of 5-10 mm. The sliding bearing can realize forward and reverse rotation under the conditions of high temperature, high speed and large load, has very high stability and reliability, fills the blank of the design of the sliding bearing of the domestic high-power gas turbine capable of reversing, and provides a reference and a design thought for the design of the gas turbine with higher power in the future.

The utility model provides a composite material multi-cavity profile pultrusion device, and belongs to the technical field of composite material pultrusion. The problems that an existing multi-cavity profile pultrusion forming process is large in pultrusion resistance, and a pre-forming tool is difficult to arrange are solved. The forming device comprises a plurality of bending core molds, a forming mold, first preforming tools and second preforming tools, each bending core mold comprises a gathering section and a bending section, the bending sections are bent in opposite directions, the gathering sections of the bending core molds are arranged at intervals, the first preforming tools are arranged on the bending sections, and the second preforming tools are arranged on the forming mold. The gathering section is provided with a second pre-forming tool, and a forming die is arranged behind the second pre-forming tool. The pultrusion device is mainly used for pultrusion of composite multi-cavity profiles.

The invention relates to the technical field of leather processing, in particular to a leather forming processing device for automotive trim. The device comprises a pretreatment device and a mold device, the rear side of the mold device is connected and provided with a trimming device, the front side of the mold device is connected and provided with a heating device, and the mold device is internally provided and connected with a cooling device. The pretreatment device is used for improving the quality and the processing efficiency of leather, improving the consistency of products and effectively shortening the production cycle, the mold device is used for forming the leather, ensuring the size accuracy and effectively improving the consistency of the products, and the heating device is used for softening the leather, facilitating subsequent processing, improving the process effect and effectively improving the quality of the products. The cooling device is used for rapidly cooling leather, stabilizing the size and effectively improving the product precision, the trimming device is used for finely adjusting the leather and improving the finished product quality, and the safety monitoring device is used for guaranteeing the safety of the machining process and effectively improving the operation safety.

The invention relates to a lightweight gauze for toughening a fiber composite material and a preparation method thereof, belongs to the technical field of toughened gauzes, and solves at least one of the problems that in the prior art, the gauze is easy to dissolve in a resin filling process, the liquid forming effect is poor, the toughening effect is not obvious and the like. The light gauze comprises a low-melting-point component and a high-melting-point component; the melting point range of the low-melting-point component is 100-160 DEG C, and the low-melting-point component and the epoxy resin are insoluble; the melting point range of the high-melting-point component is 300 DEG C or above, and the high-melting-point component is dissolved in the epoxy resin. The light gauze is not easy to dissolve in the resin filling process, so that the manufacturability of automatic laying and liquid forming in the fiber composite material preparation process is improved; the brittleness of the dry fiber composite material is improved, and the mechanical property of the dry fiber composite material is remarkably improved.

The invention discloses a control method of semiconductor process equipment and the semiconductor process equipment. The method comprises the following steps: after a process task associated with a plurality of process paths is started, dividing the process task into a plurality of subtasks which are executed in series according to the plurality of process paths; sequentially starting a plurality of subtasks which are executed in series, after each subtask is started, issuing a chamber preheating action to a process chamber corresponding to the subtask, and setting delay time for the process chamber to execute the chamber preheating action; controlling the process chamber to execute a chamber preheating action when the corresponding delay time is reached; and the materials corresponding to the sub-tasks are transmitted to the corresponding process chambers where the chamber preheating actions are executed to be subjected to the process processing flow. According to the method and the device, the process task is divided into the plurality of serially executed sub-tasks according to the plurality of process paths, and the delay time of the cavity preheating action is independently set for each sub-task, so that the first effect is more completely avoided, and the process effect is improved.

The utility model discloses a high-pressure and large-flow combined type sealing safety valve which comprises a shell, a valve, a guide sleeve and a spring seat, the valve and the guide sleeve are arranged in the shell, the left end of the valve is in contact with the inner wall of the shell to form sealing, the right end of the valve is inserted into the guide sleeve, the spring seat is inserted into the shell, a guide part is arranged in the center of the spring seat, and the guide part is connected with the guide sleeve. The guide part is inserted into the guide sleeve, a spring is arranged between the spring seat and the guide sleeve, a sealing gasket is arranged between the sealing gasket and the guide sleeve, the section of the sealing gasket is of a convex structure, and a sealing groove I and a sealing groove II are formed in the corresponding faces between the sealing gasket and the guide sleeve respectively. The inner ring of the sealing gasket is positioned in a wall body formed by the sealing groove I and the sealing groove II; the novel sealing gasket sealing mode is adopted, the instantaneous impact resisting function and the compensation function are achieved, when the safety valve works, working media pass through the spherical filter screen at the inlet, and the service life is prolonged.

The embodiment of the invention provides a display panel, a display device and a manufacturing method of the display panel. The display panel comprises a substrate; the pixel defining layer is arranged on one side of the substrate, and the pixel defining layer comprises a pixel limiting part, a pixel opening and a first concave part, and the pixel opening and the first concave part are defined by the pixel limiting part; the isolation structure is arranged on one side of the substrate, a plurality of isolation openings are defined by the isolation structure, and the pixel openings communicate with the isolation openings; the light-emitting layer comprises light-emitting units at least partially located in the pixel openings; wherein part of the isolation structure is located on the side, away from the substrate, of the pixel limiting part, the first concave part is filled with part of the isolation structure to form the first groove, and the production efficiency of the display panel is improved. In the preparation process of the display panel, the first groove can reduce the flow rate of etching liquid on the isolation structure, the impact force of the etching liquid on the packaging part is reduced, and the processing performance of the display panel is improved.

The invention discloses a roof structure of a railway hopper car with a cover, which relates to the technical field of transportation equipment and comprises a fixed top cover component and a movable top cover component arranged on the fixed top cover component. The fixed top cover assembly comprises an arc-shaped framework, a top plate arranged on the arc-shaped framework and a longitudinal loading opening frame longitudinally arranged in the middle of the top plate. The movable top cover assembly comprises a square loading opening cover assembly, a circular top cover plate assembly, a top cover support, a top cover cross beam assembly, a top cover longitudinal beam assembly and a circular loading opening locking device. The square loading opening cover assemblies are arranged at the longitudinal loading opening frames in a sealed mode, translation of the square loading opening cover assemblies is achieved through pneumatic control, a plurality of round loading openings are formed in the square loading opening cover assemblies, the round top cover plate assemblies are arranged at the round loading openings in a sealed mode, and round loading opening locking devices are arranged at the round top cover plate assemblies. By means of the arrangement of the double-layer top cover and the multiple feeding ports, the technical problem that when a sliding rail deforms or a roller bearing is rusted, movement of the top cover is blocked is solved.

The invention provides a display panel, a preparation method thereof and a display device. The display panel comprises a substrate, an isolation structure, a first packaging layer and an etching barrier layer, wherein the isolation structure is arranged on one side of the substrate, a plurality of isolation openings are defined by the isolation structure, and the isolation openings are used for containing at least part of the light-emitting units; the first packaging layer is arranged on the side, away from the substrate, of the light-emitting unit; the etching barrier layer is arranged on the side, away from the substrate, of the first packaging layer. In the display panel, the first packaging layer and the light-emitting unit below are protected through the etching barrier layer, the thickness of the first packaging layer can be reduced, the production process can be accelerated, the productivity can be released, meanwhile, the photoresist thickness in the preparation process can be reduced, the photoresist stripping condition is reduced, the production efficiency and the product yield are improved, and the production cost is reduced. And the processing property of the display panel is improved.

The present invention relates to a hub type automatic focusing lens, comprising a main mirror seat, an upper cover, a hub assembly, a motor assembly, a field of view positioning assembly and a limit switch, wherein the hub assembly and the motor assembly are both arranged in the main mirror seat, the upper cover is fixedly connected to one side of the main mirror seat, the limit switch is fixedly connected to the inner side of the upper cover, the motor assembly drives the hub assembly to rotate to 0° or 90°, the hub assembly is also provided with a trigger device for colliding and triggering the limit switch to stop the motor assembly, and the field of view positioning assembly is arranged on one side of the main mirror seat and is used to lock the hub assembly when it rotates to 0° or 90°. Beneficial effects: fast focusing speed and good optical axis consistency. The manufacturing and installation process requirements are relatively low, meeting the requirements of mass production. The azimuth direction is changed only by interactive transformation between the two positions of 0° and 90°, and the switching speed is extremely fast, meeting the requirements of fastness and maneuverability.

The embodiment of the present application provides a display panel and a display device, wherein the display panel has a display area and a non-display area, and the display panel includes: a substrate; an isolation functional layer, which is arranged on one side of the substrate and located in the display area and the non-display area, and the isolation functional layer includes a plurality of isolation functional structures, and an isolation opening located in the display area is opened on the isolation functional layer; a light-emitting layer, including a light-emitting unit located in each isolation opening; a first encapsulation layer, including a first encapsulation portion located on the side of each light-emitting unit away from the substrate, and the first encapsulation portion extends from the isolation opening to the side of the isolation functional layer away from the substrate and covers part of the isolation functional layer; wherein at least one of the plurality of isolation functional structures located in the non-display area is located outside the orthographic projection of the first encapsulation layer on the substrate in its orthographic projection on the substrate. The present application can reduce the complexity of the first encapsulation layer, improve the yield of the display panel, and enhance the process performance of the display panel.

The application discloses a semiconductor heat treatment equipment, which comprises an inner process pipe, an outer process pipe, a mounting base, an air inlet structure and an air outlet structure. The first end of the inner process pipe and the second end of the inner process pipe are both open, and a reaction space is formed in the region defined by the inner process pipe. The first end of the outer process pipe is open, and the second end of the outer process pipe is closed. The outer process pipe is sleeved outside the inner process pipe, and an annular air inlet cavity is formed between the inner process pipe and the outer process pipe. The mounting base is annular, and the first end of the inner process pipe and the first end of the outer process pipe are both sealingly connected with the mounting base. There is a gap between the second end of the inner process pipe and the inner wall of the second end of the outer process pipe. The air inlet structure is connected with the annular air inlet cavity through an air inlet. The above scheme can solve the problem that the process gas and the process material are not fully contacted in the process of the semiconductor heat treatment equipment in the related art.

The invention relates to a seal cavity bottom-lockable welding powder cleaning hole structure based on SLM technology, which is composed of a seal cavity (1), an external hole (2), a bottom locking structure (3), a top hole (4) and a lateral hole (5), the external hole (2) is located on the surface of the seal cavity (1), the bottom locking structure (3) is of a tripod-shaped boss structure and located on the inner surface of the seal cavity (1), the top hole (4) is formed in the top of the bottom locking structure (3), and the lateral hole (5) is located in the lateral hole (5). And a plurality of lateral holes (5) are formed in the circumferential direction of the bottom locking structure (3). According to the powder cleaning hole structure, the tripod-shaped boss structure is designed, the weight is extremely small, the normal function of the powder cleaning hole is guaranteed, the lock bottom welding structure form is provided, and the welding seam performance is stable and reliable. And meanwhile, machining is not needed after welding, only redundant craters and welding patch allowance need to be ground off when necessary, and the manufacturability is greatly improved.

The utility model provides a heating device, which is used for drying a wafer in wafer etching and cleaning equipment, and mainly comprises a light source module, the light source module comprises a plurality of cold light sources, the plurality of cold light sources are arranged into a light source array, the light emitting side of the light source module is opposite to the back surface of the wafer, the size of the light source module is matched with the size of the wafer, and the plurality of cold light sources are used for heating the wafer; the driving module is electrically connected with the light source module and is used for controlling the cold light sources according to the driving signal; the controller is electrically connected with the driving module, and the controller is used for sending a driving signal to the driving module. The driving signal can be sent through the control module, so that the driving module controls the plurality of cold light sources in the light source module according to the driving signal. After the cold light source is lightened, the cold light source emits high-brightness light energy, then the light energy is converted into heat energy on the surface of the wafer, the surface tension of residual liquid is reduced by heating the back face of the wafer, the process effect of the Maragol effect is improved, and the drying effect is improved.

This invention provides a liquid metal-based thermal grease, its preparation method, and its application. The liquid metal-based thermal grease comprises the following raw materials in parts by weight: 100 parts liquid metal, 2-5 parts silicone oil, 0.1-20 parts thermally conductive powder filler, and 0.1-3 parts other additives. The high-reliability liquid metal-based thermal grease provided by this invention possesses excellent high thermal conductivity, high processability, and high reliability. It can replace traditional thermal grease to solve the heat dissipation and cooling problem of high-power chips, thereby extending the lifespan of electronic products.

The invention discloses a high-temperature medium-low pressure foam performance testing device which comprises a simulation shaft made of a transparent material, the simulation shaft is divided into an oil pipe, a sleeve and an outer pipe which are sequentially and coaxially sleeved at intervals from inside to outside, and the bottom end of the oil pipe is provided with a gas dispersion head communicated with the sleeve; the upper end and the lower end of the oil pipe communicate with a foam collecting unit and an injection unit through outwards-extending pipelines correspondingly, the bottom end of the sleeve communicates with a pressurizing unit through an outwards-extending pipeline, and the upper end and the lower end of the outer pipe jointly communicate with a heating unit through pipelines. The high-temperature medium-low pressure foam performance testing device can simulate the production state of a gas well to the greatest extent when foam scrubbing agent evaluation is carried out, so that the accuracy of an evaluation result is ensured. Meanwhile, the foam form in a shaft can be observed in real time, the influence of the foam scrubbing agent under different pressure and temperature conditions can be explored, implementation of a gas field on-site process can be better guided, the effective rate of gas well measures is effectively improved, the process effect is improved, and gas well stable production and recovery efficiency improvement are facilitated.

The embodiment of the invention provides an array substrate, a display device and a manufacturing method of the array substrate, and the array substrate comprises a substrate; the semiconductor layer is arranged on one side of the substrate, the semiconductor layer comprises a channel region, an ion concentration buffer region and conductor regions, the conductor regions are located at the two ends of the channel region in the first direction, and the ion concentration buffer region is located between the channel region and the conductor regions; the gate layer is arranged on the side, away from the substrate, of the semiconductor layer, the gate layer comprises a first surface facing the side of the semiconductor layer, and the orthographic projection of the channel region on the substrate is located in the orthographic projection of the first surface on the substrate. The orthographic projection of the channel region on the substrate is within the orthographic projection of the first surface on the substrate, and the first surface can form a field effect with the semiconductor layer. Moreover, the ion concentration buffer region is arranged, so that the opposite area between the first surface of the grid electrode and the ion concentration buffer region and the conductor region is reduced, the generation of extra capacitance is reduced, and the processing performance of the array substrate is improved.

The utility model relates to the technical field of vehicle vibration reduction bushings, in particular to a truck cab elastic bushing which comprises an outer sleeve, a mandrel and rubber bodies, the outer sleeve is of a split type structure, the split position of the outer sleeve comprises a compensation gap, the rubber bodies comprise the first rubber body and the second rubber body, the first rubber body is vulcanized on the mandrel and arranged opposite to the compensation gap, and the second rubber body is vulcanized on the mandrel and arranged opposite to the compensation gap. A deformation gap is formed between the first rubber body and the outer sleeve, the first rubber body can abut against the outer sleeve, the second rubber body is connected to the outer sleeve and the mandrel, the second rubber body and the first rubber body are arranged in a staggered mode, the rubber body further comprises a first protruding portion and a second protruding portion, and the first protruding portion and the second protruding portion are connected to the two axial ends of the outer sleeve respectively. The spacer bush divides the second rubber body into an inner side rubber body and an outer side rubber body, the first rubber body is of an arc-shaped rubber body structure, and the inner side rubber body and the outer side rubber body are both of a fan-shaped rubber body structure. According to the scheme, the elastic bush has high rigidity and axial extrusion force, displacement compensation can be achieved, and the maximum deformation can be controlled.

The present application belongs to the technical field of rubber mixing process, and particularly relates to an intelligent process parameter optimization method for rubber mixing. The method comprises the following steps: S1, obtaining production data by using an intelligent mixing AI control platform; S2, extracting training data from the production data, training an AI process learning model, and storing the AI process learning model in the intelligent mixing AI control platform; S3, the intelligent mixing AI control platform sends the trained AI process learning model to an AI intelligent terminal; S4, starting an AI process operation program, collecting mixing process data in real time, inputting the collected data into the trained AI process learning model for optimization of process parameters, and outputting the optimized mixing AI process; S5, an auxiliary machine PLC terminal receives the mixing AI process and sends the mixing AI process to a rubber mixing machine; and S6, the rubber mixing machine executes the mixing AI process. The present application has the characteristics of realizing mixing process automation and intelligentization, and improving quality consistency and production efficiency.

The application discloses a window assembly, a monitoring device and a semiconductor process equipment, and belongs to the technical field of semiconductors. The window assembly comprises a mounting base, a protective window and an observation window. The mounting base is provided with a light transmission channel. The protective window is arranged in the light transmission channel. A first end of the light transmission channel is used for being opposite to a monitoring hole of a process chamber of the semiconductor process equipment. The observation window is connected with the mounting base and is opposite to a second end of the light transmission channel. The mounting base is further provided with at least two voltage stabilizing channels. The voltage stabilizing channels are symmetrically arranged on two sides of an axis of the light transmission channel. The protective window divides the light transmission channel into a first channel part and a second channel part. First ends of the voltage stabilizing channels are in communication with the first channel part. Second ends of the voltage stabilizing channels are in communication with the second channel part. The monitoring device comprises the above-mentioned window assembly and a signal processor. The signal processor is connected with the window assembly, and a signal interface of the signal processor is opposite to the observation window.

The invention discloses a recycling treatment method of printing and dyeing wastewater. The method is used for treating boiling wastewater, bleaching wastewater, dyeing wastewater and washing wastewater which are respectively generated in a desizing boiling process, a bleaching washing process, a dyeing process and a washing process of textiles. The bleaching wastewater is subjected to second ultrafiltration treatment, a second ultrafiltration filtrate is introduced into a microbubble generation device to be treated and then reused in the desizing and boiling process, the boiling wastewater is subjected to first ultrafiltration treatment, a first ultrafiltration filtrate is subjected to first nanofiltration treatment, and a first nanofiltration filtrate is reused in the washing process. After the dyeing wastewater is subjected to second nanofiltration treatment, second nanofiltration filtrate is recycled to the washing process. The wastewater generated in the textile printing and dyeing process is subjected to resource utilization, water with different characteristics is subjected to corresponding treatment and then recycled to different process units, the effect of the desizing and boiling process can be enhanced, and resource utilization of the wastewater is achieved to the maximum extent.

The invention belongs to the technical field of laser application devices, and particularly relates to an interlayer laser shot peening strengthening device embedded in the melting process of a laser powder bed, the interlayer laser shot peening strengthening device comprises a powder supply and recovery module, a laser scanning forming module and a pulse laser shock peening module, the laser scanning forming module is used for covering the metal powder particles in the printing bin with high-energy laser through reflection, and melting forming of the metal powder particles is achieved; pulse laser in the pulse laser shock peening module acts on the part under construction after melting of the metal powder particles, so that each layer of the part is strengthened in the manufacturing process; according to the laser shock peening device, laser shock peening can be carried out after each layer of metal powder particles are melted through laser, and the processing performance of parts produced through the laser powder bed melting technology is further improved by refining crystal grains and reducing defects.

The invention relates to a multilayer microcapsule structure epsilon-CL-20 explosive crystal capable of resisting dissolution and inhibiting crystal change and a preparation method of the multilayer microcapsule structure epsilon-CL-20 explosive crystal, and belongs to the technical field of energetic materials. The core is composed of epsilon-CL-20 explosive crystals, the coating inner layer is formed by polydopamine, and the coating outer layer is composed of a fluorine-containing polymer with low surface tension and indissolvable characteristics and a functional additive. The functional auxiliary agent is a substance which has a surface activity effect on the fluorine-containing polymer. The structure endows the epsilon-CL-20 with hydrophobicity and a function of isolating liquid energetic components, the solubility of the epsilon-CL-20 is effectively reduced, meanwhile, the surface action between the epsilon-CL-20 and other components in a composite energetic material system is small due to low surface tension, the viscosity of the composite energetic material system is reduced, and the manufacturability is improved.