5243results about How to "Avoid it happening again" patented technology

The invention provides a multi-stage cooling treatment device for cable sheath extrusion molding and a working method, and belongs to the technical field of cable sheath machining, the multi-stage cooling treatment device comprises a treatment box, a partition plate is arranged in the treatment box, a wiping mechanism is arranged in the right side of the treatment box, and the wiping mechanism comprises a first fixing plate and a second fixing plate; through arrangement of a driving mechanism and a wiping mechanism, after the water removal sponge wipes water stains on the outer surface of the cable sheath for a period of time, the driving mechanism works, so that the left and right groups of mounting plates and the water removal sponge vertically move for one time, and then the positions of the left and right groups of mounting plates and the water removal sponge are exchanged; the water removing sponge absorbing a large amount of water moves downwards to make contact with the water squeezing plate to conduct water squeezing work, the dry water removing sponge moves to make contact with the outer surface of the cable sheath to continue to conduct water removing work, the water removing effect is always in an efficient state, and it is avoided that residual water stains on the surface of the cable sheath affect the quality of the cable sheath.

The invention relates to the technical field of quality traceability management, in particular to an organic fertilizer quality safety traceability management method based on multi-source data. The method comprises the following steps: collecting organic fertilizer source data in real time from links of organic fertilizer production, circulation, storage and use, performing standardization processing, and performing production batch synchronous set processing and traceability association connection file establishment to generate an organic fertilizer multi-source data traceability association connection file; and carrying out production batch tracing extraction processing on the organic fertilizer multi-source data traceability association connection file, carrying out organic fertilizer quality index evaluation analysis and quality index error limitation analysis, carrying out organic fertilizer quality safety abnormity traceability processing and abnormity decision support processing, and generating an organic fertilizer quality safety abnormity problem decision support report. Therefore, the corresponding organic fertilizer quality safety abnormity traceability problem management work is executed. The scientificity and accuracy of organic fertilizer quality safety management can be improved.

The invention belongs to the technical field of condensation prevention of power equipment, and discloses an intelligent induction type condensation prevention system and method for the power equipment, and the system comprises a multivariate data collection unit, an intelligent control unit and an execution unit, and achieves the comprehensive real-time monitoring of the internal and external environments of the equipment through the integration of the multivariate data collection unit; the intelligent control unit can accurately predict the condensation risk based on real-time and historical data by using a pre-trained machine learning model, and dynamically adjust the condensation prevention strategy according to the condensation risk, thereby ensuring that condensation can be effectively prevented under various complex environmental conditions; the accurate execution of the execution unit further guarantees the condensation prevention effect, the operation stability and safety of the power equipment are integrally improved, the equipment fault risk caused by condensation is reduced, the service life of the equipment is prolonged, and the unnecessary maintenance cost is reduced; the system has self-learning and self-adaptive capabilities, can continuously optimize a control strategy to adapt to different environmental conditions, and ensures an optimal anti-condensation effect.

The invention discloses a preparation method of an ultrahigh-heat-conductivity silicon nitride ceramic chip, and relates to the technical field of silicon nitride ceramic chips. Comprising the following steps: step 1, carrying out ball milling and defoaming on raw materials to prepare slurry, and carrying out tape casting to obtain a green body; step 2, laminating the green bodies with the boron nitride powder therebetween for glue discharging to obtain laminated green bodies; and step 3, sintering the laminated green body in a protective atmosphere to obtain the ultrahigh-heat-conduction silicon nitride ceramic chip. The preparation method has the beneficial effects that the addition amount of magnesium oxide is controlled, and the seed crystal is added, so that the growth of crystal grains is controlled while the addition of additional oxygen content is reduced, and the heat conductivity and bending strength of the obtained silicon nitride ceramic chip are improved. And meanwhile, the binder is partially introduced into the modified polysilazane, so that the quality of the silicon nitride ceramic chip is improved, the generation of impure phases in the high-temperature sintering process is avoided, and the practical application is met.

The invention belongs to the field of computer graphics, and discloses a fast parallel multi-scale smooth symbol distance curved surface reconstruction method and system, and the method comprises the steps: carrying out the local fitting of point cloud data through employing a moving least square method, and calculating the Gaussian curvature of a point cloud; constructing a curvature adaptive octree based on Gaussian curvature, wherein the octree is used for dynamically adjusting local resolution and capturing geometric details to improve curved surface reconstruction precision; global fitting is carried out through an implicit function, and a zero contour surface is obtained through an octree contour surface extraction algorithm; and multiple threads are introduced in the process of iteratively solving the linear system to carry out parallel computing. The adaptive octree based on Gaussian curvature can effectively capture complex geometric details, and the algorithm realizes high-precision curved surface reconstruction under different scales. In addition, the local and overall calculation efficiency is remarkably improved through parallel calculation, and the high efficiency of the algorithm in large-scale data processing is ensured. The method provided by the invention provides an efficient and accurate solution for complex curved surface reconstruction.

The invention provides an optical imaging device, which comprises a lens group, a spacing element group and a lens barrel, the lens group comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a sixth lens which are sequentially arranged at intervals from the object side to the image side of the optical imaging device, and the half Semi-FOV of the maximum half field angle of the optical imaging device and the numerical aperture fno of the optical imaging device meet the following conditions: 1lt; fno / tan (Semi-FOV) < = 1.25; the effective focal length f of the optical imaging device and the effective focal length f1 of the first lens meet the following formula:-2.3 lt; f1 / flt; -1.2,-1.2; the inner diameter d0s of the object side end face of the lens barrel, the inner diameter d1s of the object side face of the first spacing element and the effective focal length f1 of the first lens meet the following condition:-1.45 < = (d0s-d1s) / f1lt; and-0.85. The problem that in the prior art, an ultra-wide-angle and large-aperture optical imaging device is serious in stray light is solved.

The invention discloses a modified zinc electrode material as well as a preparation method and application thereof, 3, 4-ethylenedioxythiophene, lauryl sodium sulfate and potassium perchlorate are taken as electrolyte, and the surface of a zinc electrode is coated with an organic polymer coating in an electrochemical polymerization manner, so that the problems of dendritic crystal growth, side reaction, corrosion and the like of the zinc electrode are solved; the cycling stability and reversibility of the zinc electrode are improved; meanwhile, the coating has hydrophilicity and better electrolyte wetting capacity, zinc ions are helped to be rapidly diffused on an electrode, and the polarization influence caused by concentration difference in the cycle process of the battery is relieved. Besides, by controlling the electrochemical polymerization time, the thickness of the coating is controlled, and the method has the advantages of simplicity, rapidness and the like and is suitable for large-scale popularization and application.

The invention discloses a die-casting process for a small cover plate of a motor end cover. The die-casting process comprises the following steps: step 1, raw material treatment; step 2, material melting operation; thirdly, die casting is conducted; 4, flushing a water gap; step 5, removing burrs; step 6, heat treatment before preparation; step 7, shape correction; 8, CNC machining is carried out; step 9, cleaning treatment; and step 10, packaging and warehousing. According to the invention, mechanical cleaning and acid pickling are carried out on the raw materials before melting operation is carried out on the cast aluminum, so that the purity of the raw materials is guaranteed, bubbles are prevented from being generated in the melting process, and the quality of the prepared product is improved; a modifier is added in the melting process to refine grains, so that the hardness and the corrosion resistance of the prepared product are improved; after die casting, pre-manufacturing heat treatment is carried out to optimize the machining performance of the plate, the process difficulty of CNC machining is reduced, meanwhile, the internal stress remaining in the plate is removed through the stress relief annealing process, and product deformation caused by the internal stress is prevented.

The invention relates to the technical field of fire extinguishing materials, and discloses an active fire extinguishing microcapsule, a preparation method and application thereof, an ultraviolet curing resin plate and a preparation method thereof. The microcapsule has a core-shell structure, a core material is perfluoro (2-methyl-3-pentanone) (PFMP), and the microcapsule is used as an efficient fire extinguishing agent and is suitable for inhibiting the heat rise rate of an ultraviolet curing polymer in thermal runaway and fire scenes; and the shell layer is a polymer wall material formed by gelatin, has a certain thickness and can be broken at a preset temperature. Through simple condensation, PFMP is used as a core material for microencapsulation, and the microcapsule with specific particle size distribution is prepared, so that the microcapsule can quickly release a fire extinguishing agent under a high-temperature condition, and flames are effectively inhibited.

The invention discloses a powder spraying refining process for production of a rare earth oxide dispersion strengthened alloy, and belongs to the technical field of alloy smelting. During converter tapping, iron silicon aluminum 4.5-8.5 kg / t is adopted for strong deoxidation; after tapping is finished, 0.2-0.4 kg / t of rare earth aluminum alloy is added to the slag surface of the steel ladle for slag surface deoxidation; molten steel is conveyed to a powder spraying station, the temperature of the molten steel is regulated and controlled to be 1570-1610 DEG C, inert carrier gas is used for spraying rare earth powder into the molten steel at a high speed, the carrier gas conveying working pressure of steel ladle powder spraying is 3.0-4.0 bar, the carrier gas flow is 40-60 m < 3 > / h, the steel ladle powder spraying speed is 10-50 kg / min, and the dosage of the powder spraying agent is 1.0-50.0 kg / t. After the powder spraying refining process is adopted, the solid solution oxygen content in the steel can be increased to 100 ppm or above, and the solid solution content of RE elements can be increased to 300 ppm or above, so that nano rare earth oxide dispersion strengthened alloy is formed.

The invention provides a light emitting device and a display panel. The light-emitting device comprises a first electrode layer, a light-emitting function layer and a second electrode layer which are stacked in sequence; the light-emitting functional layer comprises at least one light-emitting layer, the material of the light-emitting layer comprises a boron-containing light-emitting dye, and the energy level difference between the singlet state and the triplet state of the boron-containing light-emitting dye is greater than or equal to 0.3 eV. In the material of the light-emitting layer, the singlet state and triplet state energy level difference (Est) of a boron-containing light-emitting dye is greater than or equal to 0.3 eV, and the T1 energy level of the boron-containing light-emitting dye is relatively low, so that TTA (triplet state-triplet state annihilation) and TPA (triplet state-polaron annihilation) processes can be avoided, the efficiency roll-off of the light-emitting device is reduced, and the service life of the light-emitting device is prolonged; in addition, the up-conversion process from the T1 energy level to the S1 energy level of the boron-containing luminescent dye can be avoided, generation of long-life excited state excitons in the dye is avoided, and the service life of a device is prolonged.

The invention discloses a microwave sludge drying treatment system, and relates to the technical field of sludge treatment.The microwave sludge drying treatment system comprises a conveying belt penetrating through a microwave drying cavity, the conveying belt is provided with a uniform leveling mechanism, and the uniform leveling mechanism comprises a leveling assembly, a microwave drying assembly and a microwave drying assembly; a plurality of interval grooves are formed in one side edge of the cross beam plate, cutting units are arranged in the interval grooves in a matched mode, the cutting units can flush and cut off sludge in the interval grooves in the moving state, and the conveying belt provides driving force for movement of the cutting units in the running process. The uniform leveling mechanism is arranged on the conveying belt for feeding at the front end of the microwave drying cavity, so that on one hand, sludge particles can be located on the conveying belt at a proper thickness capable of ensuring complete penetration of microwaves, and on the other hand, generation of large sludge blocks can be avoided; the sludge particles can be favorably dried in an excellent and efficient manner when passing through the microwave drying cavity.

The invention discloses a preparation device and a preparation process of high-performance carboxylic butyronitrile latex, and relates to the technical field of carboxylic butyronitrile latex preparation.The preparation device comprises a reaction kettle, a feeding pipe is fixedly installed at the top of the reaction kettle, a motor is fixedly installed at the top of the reaction kettle, and a discharging pipe is fixedly installed at the bottom of the reaction kettle; a spiral heating pipe is arranged in the reaction kettle; the anti-adhesion device comprises a reciprocating lead screw, a threaded block, a fixed rod, an elastic telescopic rod, an arc-shaped plate, a connecting frame, a short rod, a rotating plate, a limiting block, a convex block and a groove, the reciprocating lead screw is driven to rotate through rotation of the motor, and the reciprocating lead screw rotates to drive the threaded block to reciprocate up and down; the threaded block reciprocates up and down to drive the elastic telescopic rod to reciprocate up and down, the elastic telescopic rod reciprocates up and down, and the arc-shaped plate reciprocates up and down, so that raw materials are prevented from being attached to the inner wall of the reaction kettle to form a thick layer, and the heating effect of the spiral heating pipe on carboxyl butyronitrile latex in the reaction kettle is affected.

The invention provides an anti-condensation control method and device, a medium, electronic equipment and an air conditioner, relates to the technical field, and solves the technical problems that the surface of a liquid cooling heat dissipation plate is prone to condensation, a power device is threatened, and potential electrical safety hazards exist. The method comprises the following steps: acquiring environmental parameters; the dew point temperature TL0 is calculated based on the obtained environment parameters; the real-time temperature Ts of the liquid cooling heat dissipation module is obtained; the real-time temperature Ts is compared with the dew point temperature TL0; and on the basis of the comparison result, starting and stopping of the anti-condensation control unit are controlled, so that the real-time temperature Ts of the liquid cooling heat dissipation module is higher than the dew point temperature TL0, and the liquid cooling heat dissipation module is prevented from generating condensation. The anti-condensation control unit is arranged in the liquid cooling heat dissipation module, and the heating value of the anti-condensation control unit is controlled, so that the temperature of the liquid cooling heat dissipation module is increased, the temperature of the liquid cooling heat dissipation module is higher than the dew point temperature, and the purpose of preventing condensate water from being generated on the surface of the liquid cooling heat dissipation module is achieved.

The invention provides a millimeter wave regular modular sparse active phased-array antenna which comprises a comprehensive mother board which is provided with a radio frequency power synthesis / distribution network, a component control network and a component power supply network. The plurality of sparse antenna modules are arranged above the comprehensive mother board; the chip assembly is arranged below the comprehensive mother board; the digital and power supply unit is arranged on the side, away from the comprehensive mother board, of the chip assembly and comprises a phased array wave control module and a power supply module, and the phased array wave control module is connected with the system master control and assembly control network; the power supply module is connected with a system power supply and a power supply network; the sparse antenna module and the comprehensive mother board are vertically stacked, and vertical interconnection is realized through a plurality of layers of PCBs; the integrated mother board is vertically connected with the digital and power supply unit through a plug-in low-frequency connector. According to the invention, decoupling of the integrated antenna can be realized; the sparse antenna module adopts sparse active feed, so that the number of array active channels and the heat flux density can be effectively reduced, and the system cost is effectively reduced.

The invention discloses a laser positioning cutting machine for insulating silica gel sealing gasket machining, and belongs to the technical field of insulating silica gel sealing gasket machining. The laser positioning cutting machine comprises a workbench, and a fixing frame is fixedly installed at the top of the workbench; the cutting mechanism comprises a moving frame, a moving seat and a laser cutting head, the moving frame is installed on the outer side of the fixed frame in a sliding mode, the moving seat is installed at the bottom of the moving frame in a sliding mode, and an air cylinder is fixedly installed in the moving seat; and the clamping mechanism comprises a pressing frame, a screw rod, a driving plate and a pressing plate, a trapezoidal plate is fixedly installed at the top of the pressing frame, and a triangular plate is fixedly installed at the bottom of the driving plate. By means of the cutting mechanism and the clamping mechanism, automatic laser cutting of the sealing gasket can be achieved, the cutting precision is improved, burrs are avoided, meanwhile, the laser cutting parameters can be automatically adjusted according to the thickness of the sealing gasket under the cooperation of the linkage mechanism, efficient and complete cutting is guaranteed, and the cutting efficiency is improved.

The invention discloses a preparation method of an amphiphilic carbon dot, the amphiphilic carbon dot and application of the amphiphilic carbon dot. According to the amphiphilic carbon dots, at least one of phenol, catechol, resorcinol or hydroquinone is used as a first precursor, and at least one of urea, aniline, o-phenylenediamine or 1, 2, 4-triaminobenzene is selected as a second precursor; after mixing and dissolving, reacting for 4-8 hours under the condition of 180-220 DEG C to prepare initial carbon dots; separating and purifying the initial carbon dots in a chromatographic column, collecting a second component, removing the solvent through rotary evaporation, and drying to obtain the amphiphilic carbon dots. The degreasing agent prepared from the obtained amphiphilic carbon dots has strong adsorption capacity, low toxicity and good stability, can effectively remove oil stains, has the characteristic of low foam in the use process, simplifies the cleaning process and improves the efficiency.

The invention relates to the technical field of low-temperature casting, and discloses an automobile aluminum alloy hub low-temperature casting device which comprises a casting table, a supporting frame is fixedly connected to the upper surface of the casting table, a die-casting machine is fixedly connected to the upper surface of the supporting frame, and a linear motor is fixedly connected to the upper surface of the casting table. According to the hub casting device, the movable clamping block cannot be continuously fixed to the pressing plate after being not locked by the plug pin, so that the upper die base can be rapidly detached, then the upper die bases with different diameters are replaced according to the inner diameter of a hub needing to be cast, and the hub casting efficiency is improved. The upper die base can be rapidly installed on the pressing plate by pushing the plug pin to be inserted into the movable clamping block, the applicability of the device is improved, the use convenience is also improved, the movable lower die plate is pulled away from the clamping frame in advance, and the situation that the machining efficiency is reduced due to the fact that the upper die base cannot take up the hub blank due to adhesion of the hub blank and the movable lower die plate can be avoided.

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and is used for optimizing the layout design of a pixel circuit. The display panel comprises a substrate and a pixel circuit located on one side of the substrate. The pixel circuit comprises a driving transistor, and an active layer of the driving transistor is located on an oxide semiconductor layer; a first electrode of the data write-in transistor is electrically connected with the data line, and a second electrode of the data write-in transistor is electrically connected with a first electrode of the driving transistor through a first connecting line; the first connecting line is located at one side of the oxide semiconductor layer away from the substrate.

The invention relates to the technical field of energy storage containers, and discloses an anti-condensation control method for an energy storage container. The anti-condensation control method comprises the following steps: acquiring internal temperature and humidity data of an equipment cabin; according to the equipment cabin internal temperature and humidity data, the equipment cabin air conditioner executes a corresponding preset operation mode; acquiring an opening and closing state of an equipment cabin door lock; acquiring communication states of an equipment compartment air conditioner and an equipment compartment temperature and humidity sensor; and executing a corresponding anti-condensation strategy according to the opening and closing state of the equipment cabin door lock and the communication state of the equipment cabin air conditioner and the equipment cabin temperature and humidity sensor. According to the anti-condensation control method, the equipment compartment air conditioner executes the corresponding operation mode according to the equipment compartment temperature and humidity data; according to the opening and closing state of the equipment cabin door lock and the communication state of the equipment cabin air conditioner and the temperature and humidity sensor, the corresponding condensation prevention strategy is executed on the PCS in the equipment cabin, condensation is effectively prevented, and the PCS is prevented from being damaged due to condensation.

The invention provides a semiconductor processing device and a control method thereof, and relates to the technical field of semiconductors, the semiconductor processing device comprises a machine table, the machine table is provided with a process cavity used for plasma etching, the process cavity is communicated with a cache region and a material storage region, and a wafer passes through the cache region, the process cavity and the material storage region in sequence; the device further comprises a degassing module and a gas transmission module, and the degassing module is used for removing residual gas remaining on the surface of the wafer when the wafer is transferred from the processing cavity to the material storage area. And the gas transmission module is used for removing residual gas on the surface of the wafer and then transmitting protective gas to the surface of the wafer so as to protect the surface quality of the wafer. The degassing module is used for removing residual gas left on the surface of the wafer when the wafer is etched; after the residual gas is removed, protective gas is conveyed to the surface of the wafer, so that the wafer can be prevented from reacting with nitrogen, hydrogen, water and the like in the air to generate condensate, and the condition that the condensate corrodes the surface of the wafer to cause damage to the surface of the wafer is solved; the surface quality of the wafer is ensured, and the product yield of the wafer is improved.

The utility model discloses a liquid cooling heat dissipation and multifunctional integrated energy storage integrated cabinet system, which comprises a cabinet body system, an electrical system, a liquid cooling system and a battery pack, the cabinet system body is composed of a steel frame and an external skin, and the steel frame is composed of a bearing beam, a first unit fixing beam, a second unit fixing beam, a first PCS fixing beam, a second PCS fixing beam, an electrical panel fixing beam, a high-voltage box fixing beam and a battery pack fixing beam. The first unit fixing beam, the second unit fixing beam, the first PCS fixing beam and the second PCS fixing beam are fixed in a control cabin of the steel frame, and the electrical panel fixing beam, the high-voltage box fixing beam and the battery pack fixing beam are fixed in a battery cabin of the steel frame; the electrical system comprises a water cooling unit, a unit bracket, a first PCS support, an energy storage converter PCS, a second PCS support, a fire-fighting detector, an air switch, an electrical panel, an energy management system EMS, a high-voltage box, a high-voltage box support and an electronic display screen, and the water cooling unit is fixed to the second unit fixing beam through the unit bracket. An energy storage converter PCS is fixed with a first PCS fixing beam and a second PCS fixing beam through a first PCS support and a second PCS support respectively, a fire-fighting detector and an air switch are fixed with an electrical panel fixing beam through an electrical panel, an energy management system EMS and an electronic display screen are fixed with a battery compartment cabinet door, and a high-voltage box is fixed with a high-voltage box fixing beam through a high-voltage box support. The liquid cooling system comprises a first water cooling adapter, a second water cooling adapter, a first rubber pipe, a second rubber pipe, a first metal pipe, a second metal pipe, a third water cooling adapter and a fourth water cooling adapter, the first water cooling adapter is fixed to a water outlet pipe opening of the water cooling unit, and the second water cooling adapter is fixed to a water inlet pipe opening of the water cooling unit. The first rubber pipe and the second rubber pipe are connected with the first water-cooling adapter pipe and the second water-cooling adapter pipe respectively, the first metal pipe and the second metal pipe are connected with the first rubber pipe and the second rubber pipe respectively, the third water-cooling adapter pipe is connected with the first metal pipe, and the quick-insertion end of the third water-cooling adapter pipe is connected into a water inlet pipe opening of the battery pack. The fourth water-cooling transfer pipe is connected with the second metal pipe, and the quick-insertion end of the fourth water-cooling transfer pipe is connected into a water outlet pipe opening of the battery pack. According to the liquid cooling heat dissipation and multifunctional integrated energy storage integrated cabinet system, the temperature in the energy storage system is controlled in the optimal temperature region of lithium battery operation through the thermal management design, the risks of battery life attenuation and thermal runaway are reduced, and continuous and safe operation of the energy storage system is ensured.

The invention relates to a wafer UV film rolling and pasting device and technology. The wafer UV film rolling and pasting device comprises a frame body, a material box, a movable platform, a film rolling assembly, a film pulling assembly, a film cutting assembly, a film throwing assembly, an attaching assembly and an easy-to-tear pasting assembly. The attaching assembly comprises a cavity, a vacuumizing piece and a plurality of attaching rubber rollers; when the moving platform moves to the position below the cavity, the cavity and the moving platform form a sealed cavity. The UV film is guided and tensioned through the film rolling assembly and the film pulling assembly, a wafer is conveyed to the film cutting assembly through the moving platform to be cut, and waste films in the film cutting process are discarded and blown away through the film discarding assembly; the wafer is conveyed to the lower portion of the cavity and the film pasting assembly to be subjected to vacuumizing treatment and film pasting, automatic film rolling, film pulling, film cutting and film pasting are achieved, and the working efficiency is improved. Before film pasting, the wafer is subjected to heating treatment and vacuumizing treatment, bubbles can be avoided, and the film pasting effect is improved; and the easy-to-tear sticker is attached after the film is pasted, so that the easy-to-tear sticker is convenient to tear when in use.

The invention relates to the technical field of mechanical engineering, and discloses an anti-corrosion adhesive tape pipeline winding device with a tightening function, the anti-corrosion adhesive tape pipeline winding device comprises a supporting seat, the outer wall of the supporting seat is fixedly connected with a motor, and the inner wall of the supporting seat is rotatably connected with a roller through a bearing. According to the adhesive tape winding device, the adhesive tape winding mechanism is arranged, adhesive tape is tightened while the adhesive tape is wound on the pipeline through the adhesive tape winding mechanism, meanwhile, the situation that bubbles are generated after winding and the pipeline is oxidized and corroded due to the fact that the adhesive tape is wound in the tightened state is prevented, the tightening mechanism is arranged, the adhesive tape is tightened while the adhesive tape is wound, and meanwhile the adhesive tape is turned up; according to the anti-corrosion adhesive tape pipeline winding device with the tightening function, bubbles are prevented from being generated when the adhesive tape is compressed, meanwhile, the edge of the adhesive tape is further compressed, the edge of the adhesive tape is prevented from being tilted due to pipeline winding of the adhesive tape in the tightening state, the adhesive tape fixing mechanism is arranged, the adhesive tape coil is stably wound, and the anti-corrosion adhesive tape pipeline winding device with the tightening function can be normally used.

The invention relates to a molten steel slag centrifugal granulation treatment and waste heat recovery system which is characterized in that a slag inlet is formed in the top of a centrifugal granulation bin, a rotating disc and a rotation driving motor are arranged in the centrifugal granulation bin, the rotating disc is arranged below the slag inlet, and the rotating disc is driven by the rotation driving motor; the low-melting-point eutectic metal self-flowing bed waste heat boiler is arranged below the centrifugal granulation bin, a self-flowing bed waste heat boiler heat exchange pipe is arranged in the low-melting-point eutectic metal self-flowing bed waste heat boiler, and low-melting-point eutectic metal is loaded in the self-flowing bed waste heat boiler heat exchange pipe. High-grade waste heat recovery of the high-temperature molten steel slag is achieved, the blank of heat energy recovery of a steel mill is filled up, and energy conservation, emission reduction and carbon reduction of the steel mill are greatly promoted. The two links of centrifugal granulation treatment and waste heat recovery are comprehensively and integrally designed, the structure is simpler and more compact, the efficiency is higher, operation is easy and convenient, the production implementation process is safe, and the device can be applied and popularized in ferrous metallurgy enterprises.

The invention provides an injection mold convenient to demold, and relates to the technical field of injection molds, the injection mold convenient to demold comprises a base, a supporting frame, a lower mold, a pushing mechanism and an upper mold, and a turnover mechanism capable of driving the lower mold to turn over when the upper mold vertically moves is arranged on the inner wall of the supporting frame; a feeding assembly capable of enabling a hot melting material to fill the lower mold from bottom to top so as to prevent the hot melting material from sputtering is arranged between the upper mold and the lower mold, and a demolding mechanism used for ejecting a formed product is further arranged at the bottom of the lower mold. According to the injection mold, when a hot melting material is poured, the problem that holes are formed in a formed product due to the fact that the hot melting material is sputtered to generate bubbles can be prevented, an opening of the lower mold can face downwards during demolding, the contact area of an ejection part and the bottom of the product can be increased, the product can be cooled while being ejected, and the product quality is improved. Therefore, the demolding speed can be increased, and the product quality can be improved.

The present invention relates to an electrochemical synthesis method of 2-aminothiazole compounds with the structural formula shown below: 1 =4‑Me‑, 3‑Me‑, 2‑Me‑, 4‑Et‑, 4‑MeO‑, 4‑OH‑, 4‑F‑, 4‑Cl‑, 3‑Cl‑, 2‑Cl‑.R 2 =H, Me, Et, Ph. The main process is: in a single-chamber electrolytic cell, ketone (0.589 g, 3 mmol), thiourea (0.076 g, 1 mmol), anhydrous ammonium iodide (0.145 g, 1 mmol), TsOH·H 2 O (0.951g, 5mmol), DMSO (10ml), H 2 O (5ml). Both the cathode and the anode are inserted into graphite sheets, and the current density is 5mA / cm 2 The reaction temperature was 70°C and the current was 3F / mol. The corresponding 2-aminothiazole compound 3 was obtained with a yield of 38-72%.

The invention relates to a preparation method of high-temperature-resistant silk-screen printing ink based on chemical simulation optimization. The preparation method comprises the following steps: (1) formula optimization: optimizing a silk-screen printing ink formula by using chemical simulation software; (2) production process control; (3) quality detection; (4) environment simulation; and (5) data collection and analysis. The method has the advantages that the whole process optimization from formula design to production control, quality detection, environmental adaptability evaluation and data analysis is realized, modeling is carried out on interaction among ink components through chemical simulation software, and the performance of ink under different conditions can be accurately predicted, so that selection and optimization of the formula are guided.

The invention relates to a weather-resistant anti-aging polyethylene pipeline and a preparation method thereof, and belongs to the technical field of high polymer materials. The pipeline is prepared from high-density polyethylene resin, linear low-density polyethylene resin, polyimide resin micro powder, nano silicon dioxide, nano hexagonal boron nitride, polybenzimidazole fibers, carnosic acid, zinc glycyrrhetinate, an antioxidant 1010, a hindered amine light stabilizer and a polydimethylsiloxane titanate cross-linked polymer. The preparation method comprises the following steps: taking 1, 3-methacryloxypropyltriethoxysilane as a raw material; according to the preparation method, polyimide resin micro powder, carnosic acid and zinc glycyrrhetinate are uniformly mixed and then are modified at 300-350 DEG C for 30-60 minutes to obtain a modified substance, so that the weather resistance and the aging resistance of the pipeline can be better improved. All the components are compatible with one another, and a special modification preparation method is adopted, so that the synergistic effect of the components is better exerted, and the weather resistance and the aging resistance of the polyethylene pipeline are greatly improved.

The invention relates to a preparation method of a photovoltaic welding strip, the photovoltaic welding strip, a photovoltaic module and a preparation method, and the preparation method comprises the following steps: S1, carrying out the oxide removal and annealing treatment of an oxygen-free copper wire at the same time, and obtaining an annealed copper strip after cooling; s2, in the protection environment of inert gas, the annealed copper strip is immersed in molten brazing filler metal alloy liquid for surface tin plating, and after cooling, a plated copper strip with an alloy plating layer is obtained; s3, oxide on the surface of the plated copper strip is removed; s4, immersing the plated copper strip subjected to oxide removal into a film forming substance, and drying to obtain a film forming welding strip; wherein the film forming substance does not contain carboxyl. According to the method, oxide removal and annealing treatment are carried out at the same time, the photovoltaic welding strip which is high in preparation efficiency and can be welded without participation of scaling powder can be achieved, the photovoltaic welding strip is combined with the preparation technology of a photovoltaic module, and a high-reliability module can be obtained.