29results about How to "Evenly blended" patented technology

The utility model discloses environment-friendly low-alkali cement grinding aid stirring equipment which comprises a stirring machine shell, an inner cavity is fixedly connected in the stirring machine shell, the top end of the inner cavity is in threaded connection with a first rotating shaft, a plurality of push type paddles are fixedly connected to the first rotating shaft in the vertical direction, and the first rotating shaft is in threaded connection with a second rotating shaft in the vertical direction. The top surface of the stirrer shell is fixedly connected with a motor I, and the output end of the motor I is fixedly connected with the rotating shaft I; a second rotating shaft is in threaded connection with the top end of the stirrer shell, a plurality of turbo type paddles are fixedly connected to the second rotating shaft in the vertical direction, a second motor is fixedly connected to the top face of the stirrer shell, and the output end of the second motor is fixedly connected with the second rotating shaft; liquid components are mixed with low shear force in the pre-stirring stage of the push-type paddle, the scrapers synchronously remove attachments on the wall of the cavity, and the turbo-type paddle rapidly crushes solid particles through high shear force and promotes uniform fusion of materials, so that the reaction activity of the grinding aid and the stability of a finished product are remarkably improved.

The application discloses a kind of ball grid array package chip solder ball bubble defect automatic detection method and system, it is related to chip intelligent detection technical field, the method is guided by designing semantic cross-layer fusion framework, realizes multi-scale feature balanced fusion in neck network by introducing feature alignment and redistribution module, strengthens small target details and semantic information using local semantic enhancement module, and the positioning accuracy of bubble is optimized in combination with smooth geometry positioning loss function.The application significantly improves the detection capability of small, fuzzy and occluded bubbles, has strong robustness and generalization, and can be widely used in solder ball bubble, material porosity and surface defect industrial vision detection scene.

This invention provides a waste pyrolysis gas combustion device and its combustion method, belonging to the field of waste treatment technology. The invention includes: a shell, foam ceramic balls, a central tube, a preheater, a mixing tube, a co-firing air sleeve, and a flow-dispersing component. This invention uses foam ceramic balls as a heat storage carrier in conjunction with a preheater to achieve stable ignition of pyrolysis gas with low calorific value fluctuations, effectively adapting to the combustion requirements of waste pyrolysis gas with low calorific value and parameter fluctuations, and improving combustion stability. The flow-dispersing component in the mixing tube enhances gas-gas mixing, improving combustion efficiency and pollutant control, increasing combustion completeness, reducing pollutant generation, and optimizing combustion efficiency. The compact structure of the nested central tube and mixing tube with annular slot air intake achieves efficient space utilization and integrated application, realizing precise gas distribution and efficient mixing within a limited space. The overall layout of the device is compact and easy to integrate.

This invention discloses hollow silver-platinum nanoalloy particles, their preparation method, and applications. The silver-platinum nanoalloy particles have a particle size of 30-60 nm, an overall hollow structure, and a porous surface distribution of silver and platinum fused together. The preparation method includes: using epigallocatechin gallate as the sole reducing agent and stabilizer, reducing silver nitrate in ethylene glycol to prepare monodisperse silver nanoparticles; then, at 60-80°C, slowly adding chloroplatinic acid solution in batches to the silver nanoparticle solution to carry out an in-situ exchange reaction; after the reaction, washing and separation yields the final product. This invention provides a green, simple, mild, and highly controllable preparation method. The prepared silver-platinum nanoalloy particles simultaneously possess excellent nanozyme catalytic activity and high-sensitivity surface-enhanced Raman scattering performance, achieving integrated synergistic catalytic and detection functions. It has broad application prospects in food safety testing, environmental monitoring, and biosensing.

This invention discloses a biaxial mixing granulation device with atomizing spray and an adjustable discharge baffle, belonging to the field of industrial solid waste treatment. The device includes a mixing shell and a sealing cover sealed to the mixing shell. Two sets of mixing shafts are arranged inside the mixing shell. A discharge baffle driven by an electric push rod is installed at the discharge end of the mixing shell to form a closed working space, enabling active and controllable adjustment of the material residence time. Atomizing nozzles are arranged above the mixing shell to uniformly atomize and spray liquid activator, forming a uniform and stable granular structure. To address the problem of brittle and easily broken granular surfaces in summer, a buffer cylinder and an elastic intercepting net are installed along the discharge path to buffer impact energy through elastic collision. To address the problem of wet and sticky granules that easily clog in winter, dust removal strips and a feeding machine are installed to blow solid powder onto the granular surface to reduce stickiness and prevent agglomeration. This achieves efficient granulation and stable discharge of industrial solid waste, featuring uniform granulation and complete discharge.

The invention relates to the technical field of petrochemical engineering, in particular to a pre-flash tower bottom oil diversion and emergency oil return system which comprises a switching and shunting module, a pressure mixing module and a cooperative control module. Boosting the pressure of the slurry oil and then dividing the slurry oil into a first branch flow and a second branch flow; the first branch is communicated with a first conveying pipeline, the first conveying pipeline is communicated with a wax oil mixing part, and slurry oil and product wax oil from the vacuum tower are mixed at the wax oil mixing part; the second branch is communicated with a second conveying pipeline, and the second conveying pipeline is communicated with an emergency connector. According to the invention, integrated hardware multiplexing and cooperative control are carried out on the load optimization process and the blockage emergency oil return function of the vacuum tower, and embedded active safety protection is constructed while load reduction and efficiency improvement of the vacuum tower are realized, so that the processing load and operation continuity of the device are systematically improved.

The utility model relates to the technical field of coating processing, especially a coating processing equipment with sampling structure, including the stirring tank of rotation connection with the chassis, the sampling mechanism of quick taking out coating sample is provided to the stirring tank back, the chassis and the stirring tank are provided with the stirring mechanism that will be even mixed coating. The utility model discloses through setting up sampling mechanism, in the process of coating production, need not open stirring tank and can sample, avoid coating and a large number of air contact and cause component reaction, and the mechanism can also obtain the sample of different positions, improve sampling efficiency and accuracy, through setting up stirring mechanism, in the process of agitating processing to coating, can swing to coating in front and back to stirring tank to the cooperation with stirring structure, can mix and stir coating, let coating each component even fusion, reduce the dead angle of stirring, thereby improve the production quality of coating, also can lay the foundation for the accuracy of subsequent sampling detection.

This invention discloses a method for preparing spiced and spicy roasted chicken, belonging to the field of food processing technology. The invention includes the following steps: raw material pretreatment, preparation of the spiced and spicy marinade, vacuum tumbling marinating, pre-roasting treatment, segmented temperature-controlled roasting, and cooling packaging. This invention optimizes the ratio of spice to spicy marinade, particularly controlling the mass ratio of Sichuan peppercorn powder, chili powder, and Sichuan peppercorn powder to 2:3:1.5, achieving a balanced blend of rich spice flavor and mild spiciness, avoiding excessive heat. A composite flavoring process combining microporous piercing, vacuum tumbling, and low-temperature static marinating ensures the marinade penetrates evenly into the chicken, solving the problem of uneven flavoring. A three-stage temperature-controlled roasting process first locks in moisture, then degreases, and finally tenderizes, resulting in a golden-brown, crispy skin and tender, juicy meat. Simultaneously, the addition of tea polyphenol antioxidants and vacuum packaging effectively extend the product's shelf life.

The staggered ladder porous-solid fin micro-channel radiator with the super-hydrophobic wall face comprises a heat conduction bottom plate, a heat conduction cover plate and a plurality of composite fin units, the upper ends of the composite fin units are fixedly connected with the heat conduction cover plate, the lower ends of the composite fin units are fixedly connected with the heat conduction bottom plate, and the heat conduction bottom plate is fixedly connected with the heat conduction cover plate. A micro-channel allowing cooling liquid to flow is formed between every two adjacent composite fin units, and the two ends of each micro-channel are provided with a cooling liquid inlet and a cooling liquid outlet correspondingly. Each composite fin unit comprises a plurality of porous fins and solid fins which are sequentially distributed in a staggered mode and fixedly connected, and the porosity of micropores in the surfaces of the porous fins changes in a gradient mode in the flowing direction of cooling liquid. The inner surfaces of the heat conduction bottom plate and the heat conduction cover plate and the surfaces of the two sides of the solid fins are all super-hydrophobic surfaces, the super-hydrophobic surfaces comprise base materials, and grooves consistent with the microchannels in direction are machined in the surfaces of the base materials. The heat dissipation efficiency of the micro-channel radiator under high heat flux is effectively improved, and the flow resistance of cooling liquid is reduced.

This invention discloses a mixed-type fruit wine brewing device suitable for fermenting various fruits with controlled sugar content, belonging to the field of fruit wine processing technology. Its key technical features include: a fermentation tank, with a pressure relief valve installed at the upper end, a support column fixedly connected to the lower end of the fermentation tank, a mounting base fixedly connected to the upper end of the fermentation tank, a mixing component mounted on the upper end of the mounting base, and a feeding component installed on the side wall of the fermentation tank. This invention, by setting up a mixing component, utilizes a dual motion path—a reciprocating up-and-down motion continuously changing the stirring height while simultaneously rotating and stirring—to break the laminar flow of fruit raw materials, achieving three-dimensional flow of fruit raw materials. This ensures uniform composition of the fruit raw materials, and the strong shear force reduces the viscosity of the fruit raw materials, improves fluidity, ensures stable mixing of fruit raw materials during fermentation, and avoids uneven fermentation caused by localized material accumulation.

The present application provides a gelatin particle and a preparation method thereof, and a hemostatic fluid gelatin composition. The gelatin particle is a cross-linked gelatin particle, and the preparation raw material of the gelatin particle comprises gelatin and a high molecular material containing amino and / or carboxyl; the preparation process of the gelatin particle comprises the steps of forming a gelatin gel from the gelatin and crushing the gelatin gel, wherein the high molecular material is added to mix with the solution of the gelatin or the gelatin gel before or after the formation of the gelatin gel. The gelatin particle and the hemostatic fluid gelatin of the present application can quickly absorb the moisture in the blood after being applied to a bleeding wound, thereby increasing the concentration of red blood cells, blood coagulation factors and the like in the blood, accelerating the endogenous blood coagulation mechanism, and having a good hemostatic effect.

The application discloses a preparation method of mixed carbon source derived hierarchical porous carbon. The steps of the preparation method of the mixed carbon source derived hierarchical porous carbon are as follows: firstly, starch and disaccharide are added into N-methylmorpholine-N-oxide aqueous solution and heated to be dissolved; the obtained mixture is melt-blended and extruded through a double screw extruder to prepare uniform mixed granules; then, the granules are subjected to pre-carbonization treatment to obtain a carbon precursor; the carbon precursor is ground into powder, mixed with an activating agent aqueous solution, dried, and subjected to activation carbonization at high temperature; finally, the carbonized product is subjected to acid pickling, water washing and drying to obtain the mixed carbon source derived hierarchical porous carbon electrode material. The disaccharide is white granulated sugar or maltose. The preparation method realizes uniform compounding of multiple carbon sources by using a melt-blending process, has the advantages of easy availability of raw materials and easy scale production, and the prepared product shows excellent electrochemical performance and good cycle stability.

This invention provides an ultrasonic hydrogen mixing and dissolving device. The tank contains a closed space for hydrogen mixing and dissolving. An inlet pipe is connected to the top of the tank and feeds a measured amount of drinking water into the closed space. An inlet pipe is connected to the bottom of the tank and feeds a measured amount of hydrogen gas into the closed space. An outlet pipe is connected to the bottom of the tank and is equipped with an outlet valve, allowing high-concentration hydrogen-rich water to be discharged from the closed space after hydrogen mixing and dissolving. A circulation and fusion unit is located within the closed space and includes an ultrasonic mixer, configured to drive the drinking water and hydrogen gas to circulate and mix within the closed space, and to perform ultrasonic treatment during the circulation. A central control unit controls the circulation drive unit to drive the drinking water and hydrogen gas to circulate and mix within the closed space; and controls the ultrasonic treatment unit to perform ultrasonic treatment on the drinking water and hydrogen gas passing through the flow channel, effectively enhancing the mixing rate and uniformity of hydrogen gas in the drinking water.

This utility model relates to the field of twin-screw extrusion technology for nylon granules, and discloses a twin-screw extrusion device for reinforced nylon granules, including a housing assembly, a heating assembly, an extrusion assembly, a pressurizing assembly, and a cooling assembly. The heating assembly is symmetrically distributed and installed on the outer wall of the housing assembly, the extrusion assembly is installed inside the housing assembly, the pressurizing assembly is installed above the housing assembly, and the cooling assembly is installed at the bottom of the housing assembly. The pressurizing assembly is provided to apply additional pressure to the material during extrusion, causing the material to undergo stronger compression and shearing between the screw and the barrel. This also helps to more uniformly integrate the components in the nylon granules, reducing microscopic inhomogeneity in the material, thereby improving the mechanical properties, dimensional stability, and appearance quality of the product. The cooling assembly is provided to facilitate rapid cooling of the material after extrusion, maintaining the molecular structure and performance stability of the nylon granules.

The invention discloses a disposable handheld synchronous injection type autologous platelet-rich gel wound surface spraying device, and relates to the technical field of medical wound surface treatment equipment.The disposable handheld synchronous injection type autologous platelet-rich gel wound surface spraying device comprises a shell and an anti-skid grab handle which are integrally formed, and a first hose and a second hose which are matched with 10 ml / 1 ml materials are arranged in the shell; stable fixing is achieved through a splayed elastic clamp and an anti-slip strip, the synchronous injection assembly comprises a driving motor, a third synchronous wheel with the wheel ratio being 1: 10 and a matched synchronous wheel, the synchronous injection assembly is combined with an integrally-formed elastic piston piece, rotary motion is converted into precise linear propelling, manual operation is replaced by automatic driving, it is guaranteed that two materials are synchronously conveyed according to the ratio being 10: 1, and the production efficiency is improved. Real-time uniform mixed spraying is achieved through the connecting pipe and the mixed spraying piece, the structure is compact, handheld and portable, the forming stability of the autologous platelet-rich gel can be improved, the labor intensity of medical care and material waste are reduced, and the device is suitable for treating chronic wounds such as diabetic feet and pressure sores.

The invention belongs to the technical field of plant-based nut processing, and particularly relates to a plant-based nut accurate grinding coupling emulsification method and device, the device comprises a feeding platform, a first colloid mill and a low tank, the feeding platform is used for plant-based nut raw materials, a feeding machine is arranged on one side of the feeding platform, and the feeding machine can convey the plant-based nut raw materials; the first colloid mill is arranged below the conveying end of the feeding machine and used for achieving primary colloid milling treatment of the plant-based nut raw materials. Compared with existing equipment, the plant-based nut processing device has the advantages that nutritional ingredients in plant-based nuts can be extracted to the maximum extent in the fine colloid milling and emulsifying process, the solubility of the plant-based nuts is improved through emulsification, waste of raw materials is reduced, in addition, the ratio of raw material input to product output is optimized due to efficient processing of the materials, and the production efficiency is improved. Manual intervention is reduced through whole-process automatic production, resource waste or equipment loss caused by misoperation in the production process is reduced, and therefore the production cost is effectively reduced.

The utility model discloses a kind of smelting devices for radiation heat insulation sheath production, including bottom plate, the top of bottom plate is provided with processing box, the top of processing box is provided with the horizontal groove of inside and outside through-penetration, the top of processing box is fixedly connected with the structure box that is communicated with horizontal groove, the left side of structure box is fixedly connected with positive and negative motor. The utility model drives screw rod to rotate by positive and negative motor, so that nut seat drives round bar to move left and right, gear on round bar is engaged with toothed plate, not only realize the left and right movement of round bar, also make it produce rotation, to drive stirring frame to carry out complex horizontal reciprocating rotation stirring action, can ensure that material is fully stirred in the transverse area in processing box, avoid material accumulation and stratification phenomenon, improve the uniformity of material mixing, make raw material more fully contact heat source in smelting process, and then realize uniform heating and fusion, significantly improve the stability and consistency of product quality.

The mixing device for producing the compound coloring agent comprises a tank body and a tank cover which are connected into a whole through a flange, the tank cover is provided with a feeding port, and the bottom of the tank body is provided with a discharging port; a mounting frame, a rotary power mechanism, a stirring shaft and a stirring unit are arranged on the tank cover; the tank cover is provided with an upper bracket, a nitrogen supply ring pipe, a nitrogen outlet hole and a tank body air emptying port; a lower bracket, an argon supply ring pipe and an argon outlet hole are arranged on the tank body; a heat exchanger is also sleeved on the outer wall of the middle part of the tank body; the mixing device is provided with a nitrogen and argon dual inert gas protection system, nitrogen can be uniformly introduced into the upper part of the tank body through the annular pipe and the gas supply hole of the nitrogen supply assembly on the tank cover, and air in the tank body is naturally discharged from the air discharge port of the tank body, so that the contact between oxygen and materials is reduced, the oxygen is effectively isolated, and the material quality is improved. Oxidative deterioration of the coloring agent is prevented, and color stability and quality safety of the product are guaranteed to the maximum extent.

The application belongs to the technical field of aero-engines, and discloses an aero-engine combustion chamber main combustion stage fuel nozzle and a fuel control method. The aero-engine combustion chamber main combustion stage fuel nozzle comprises a same center axis, a duty class fuel nozzle, a swirler and a main combustion stage fuel nozzle which are sequentially sleeved from inside to outside, and the outlet of the main combustion stage fuel nozzle is sleeved with a sleeve. The fuel control method ensures that the fuel jet flow of the duty class fuel nozzle is unchanged, the swirler rotates around the duty class fuel nozzle, the fuel jet flow of the main combustion stage fuel nozzle is adjusted, and then the total fuel jet flow of the aero-engine combustion chamber main combustion stage fuel nozzle is changed. The fuel control method of the aero-engine combustion chamber main combustion stage fuel nozzle realizes efficient fuel injection under different working conditions, guarantees the combustion efficiency and stability of the combustion chamber, controls the combustion temperature distribution of the main combustion zone, and reduces the pollutant emission of the combustion chamber.

The high-speed wet mixing granulator comprises a power distribution table, the upper surface of the left end of the power distribution table is fixedly connected with a cylinder body with a cavity with a wide lower part and a narrow upper part, and the top of the cylinder body is fixedly provided with a cylinder cover through a plurality of bolts; a negative pressure feeding pipe with an electromagnetic valve is embedded in the left front portion of the upper surface of the cylinder cover, a separable vacuum filter cylinder is fixedly connected to the upper surface of the rear end of the cylinder cover, and a mixing assembly capable of mixing in multiple directions is arranged in the middle of the upper surface of the cylinder cover. The bottom end of the positioning screw can abut against the inner wall of a butt-joint mounting groove of the cylinder bottom stirring paddle by screwing down the positioning screw, size loss caused by long-term friction and abrasion of the cylinder bottom stirring paddle is compensated, a gap between the cylinder bottom stirring paddle and the bottom face of the cylinder body is eliminated, and the scraping efficiency and the scraping quality are improved; the device can flexibly adapt to different degrees of abrasion conditions of the stirring paddle at the cylinder bottom, adjust the tightening force as required, and continuously eliminate the cylinder bottom gap.

The utility model discloses a quantitative adding structure of a galvanizing auxiliary agent, which belongs to the technical field of galvanizing auxiliary agent quantitative adding, and comprises a bottom plate and a support frame, the support frame is fixedly connected to the top of the bottom plate, and the top of the support frame is fixedly connected with an adding mechanism. The top of the bottom plate is fixedly connected with a stirring mechanism; the adding mechanism comprises a plurality of mounting tables, assembling frames, storage tanks, liquid level sensors, flow dividing pipes, series connection pipes and metering pumps, the mounting tables are fixedly connected to the top of the supporting frame, the assembling frames are movably connected to the front sides and the rear sides of the tops of the mounting tables correspondingly, and the storage tanks are movably connected to the inner walls of the assembling frames; through cooperative work of the metering pump, the electromagnetic flow meter, the liquid level sensor and other components, the adding amount of various galvanizing auxiliary agents can be accurately controlled, it is guaranteed that the quality of a galvanized layer is stable and consistent, and quantitative adding of the galvanizing auxiliary agents by a user is facilitated.

The utility model discloses a reagent mixing device of preventing misoperation relates to the field of life science technology, including mixing cup body, third valve, third liquid discharge pipe, the surface of mixing cup body is provided with observation mechanism, the surface of mixing cup body is provided with stirring mechanism, the surface of mixing cup body is provided with auxiliary mechanism, and observation mechanism includes screw column, clamping plate, transparent observation cup, scale, first liquid discharge pipe, first valve, second liquid discharge pipe, second valve, and the surface of mixing cup body is movably connected with the surface of clamping plate, and the surface of mixing cup body is threadedly connected with the surface of screw column. The utility model discloses through the output of rotating motor drive stirring rod and carry out rotation, and stirring rod rotation drives stirring piece and carry out rotation, and stirring piece carries out stirring fusion to the reagent in mixing cup body, is favorable for accelerating reagent fusion speed, promotes reagent fusion, uniform mixing, reduces the experimental error due to the fusion uneven, and has been facilitated for use.

The utility model relates to the field of environmental protection engineering equipment, in particular to environmental protection engineering industrial sewage purification equipment which comprises a tank body and the like, the upper portion of the supporting frame is connected with a first water tank, the upper portion of the first water tank is connected with a tank body, the rear side of the tank body is connected with a second water tank, the right portion of the second water tank is provided with a high-pressure water gun, and the left side and the right side of the tank body are each rotationally provided with a cabin door. The telescopic end of the telescopic rod is connected with a fixing frame. The inside of the tank body is cleaned through the high-pressure water gun, so that a worker can clean impurities at dead corners of the tank body, and a more effective cleaning effect is achieved.

An adjustable circulating fluidized bed boiler for incinerating pyrolysis residues is disclosed. This invention addresses the problems of unstable bed temperature and pressure, and equipment shutdown due to excessive parameters, that commonly occur in existing circulating fluidized beds when incinerating different pyrolysis waste residues. The invention comprises a fluidized bed boiler body (6), a sub-bed air chamber (2), multiple dispersion pipes (5), and multiple high-temperature resistant gate valves (32). The sub-bed air chamber (2) is installed at the lower part of the fluidized bed boiler body (6). The upper parts of the multiple dispersion pipes (5) are connected to the fluidized bed boiler body (6) in a ring array, and the lower parts of the multiple dispersion pipes (5) are connected to the sub-bed air chamber (2). Each dispersion pipe (5) is equipped with a high-temperature resistant gate valve (32). The opening degree of the high-temperature resistant gate valve (32) is remotely adjusted through a control program to achieve bed pressure regulation of the fluidized bed without changing the combustion load and fluidizing air volume. This invention is used for the incineration of pyrolysis residues.

The present application relates to the polymerization technology of high performance polymer PIPD, and discloses a polymerization kettle for preparing high molecular weight PIPD polymer and a preparation method of the PIPD polymer.The polymerization kettle comprises a polymerization kettle body and a stirring paddle arranged in the polymerization kettle body; the stirring paddle comprises a stirring shaft, a prismatic flat paddle, a folded paddle and a spiral paddle; the stirring shaft is vertically arranged, the prismatic flat paddle and the folded paddle are fixed on the stirring shaft from top to bottom and are arranged along the radial direction of the stirring shaft; and the spiral paddle is arranged in a spiral structure around the folded paddle with the stirring shaft as the central shaft.The polymerization kettle and the stirring paddle disclosed by the present application are suitable for the polymerization reaction characteristics of high rigidity PIPD polymer, can effectively and uniformly blend in the early, middle and late stages of the polymerization reaction, greatly reduce the mixing dead zone in the polymerization kettle, improve the mass transfer and heat transfer efficiency in the polymerization process, and obtain high molecular weight PIPD polymer in a short time (<12h).

The utility model provides a horizontal powder and particle material mixing machine, which belongs to the technical field of material mixing and comprises a base, a machine barrel, a communicating pipeline and a tailing discharge pipe. A stirring assembly is arranged in an inner cavity of the machine barrel in the axial direction, a bearing support is arranged at the first end of the machine barrel, a driving mechanism is arranged at the second end of the machine barrel, the first end of the machine barrel is higher than the second end, a discharging pipe is arranged on the side, close to the first end, of the bottom of the machine barrel, and a feeding pipe is arranged on the side, close to the second end, of the top of the machine barrel; one end of the communicating pipeline is connected to the side wall of the feeding pipe, and the other end of the communicating pipeline is connected to the side, close to the first end, of the top of the machine barrel; the tailing discharge pipe is arranged on the side, close to the second end, of the bottom of the machine barrel. According to the horizontal mixing machine for the powder and particle materials, air flow in the machine barrel is circulated, air pressure is effectively balanced, the materials are not prone to accumulation, cleanliness in the mixing machine is powerfully maintained, stable and efficient operation of the mixing machine is guaranteed, and the mixing requirement of the powder and particle materials is met.

The utility model relates to natural gas blending technology field, and disclose a kind of multistage blending equipment of natural gas hydrogen blending, including first mixing box, the left side of first mixing box is fixedly connected with natural gas inlet pipe by flange, first mixing box bottom end is fixedly connected with hydrogen inlet pipe by flange, the right side of first mixing box is connected with second mixing box, second mixing box right side is fixedly connected with mixed gas outlet pipe by flange;First mixing component, the first mixing component includes disc and wind guide rotating tube;Blending pipe. By setting first mixing component, wind guide rotating tube drives disc rotation to scatter and mix the airflow passing, realize to the first grade blending of mixed gas, then mixed gas enters second mixing box cavity blending pipe, gas is increased in overall flow rate by air duct, since hydrogen is lighter in quality, easy to float in upper side, by setting second mixing component, carry out the second grade blending of mixed gas, further improve the uniformity of mixed gas.

This utility model discloses a closed-loop control device for the flow rate of auxiliary agent solution in the preparation process of water-based adhesives. It includes a storage container, a power valve, and a flow meter. The storage container has a discharge port at its bottom, which is connected to a glue hose via the power valve. The glue hose is equipped with a flow meter, and the storage container has a compressed air inlet. Using this utility model's technical solution, precise quantitative addition of the auxiliary agent solution is achieved through closed-loop flow control, ensuring uniform mixing of adhesive components and achieving standardized operations. It maximizes the reuse of existing equipment structures, reducing the cost of a single unit modification by 78% compared to replacing the entire system, achieving lightweight transformation. The frequency of operator intervention is reduced by 90%, and there are no special requirements for site layout, thus improving labor efficiency.

This invention relates to the field of interlayer technology in laminated glass, and particularly to a binary composite plasticized gradient structure PVB interlayer, its preparation method, and laminated glass. The interlayer has a three-layer gradient structure, consisting of a first surface layer, a middle sound-insulating layer, and a second surface layer from the outside in. Both the first and second surface layers contain a first PVB resin and a first composite plasticizer, which includes diethylene glycol dibenzoate and 3GO. The middle sound-insulating layer contains a second PVB resin and a second composite plasticizer, which includes a mixture of diethylene glycol dibenzoate and 3GH. This invention, through innovative material formulation and structural design, provides a PVB interlayer solution that balances high weather resistance, excellent sound insulation, strong adhesion, low plasticizer migration tendency, and additional heat insulation functions. It also includes a stable and efficient preparation method, effectively overcoming the limitations of existing technologies where performance cannot be synergistically improved.