35results about How to "Inhibitory concentration" patented technology

The invention discloses an optimization process for preparing hydrolysis-resistant PET (polyethylene terephthalate) master batch. The optimization process comprises the following steps: S1, pretreating raw materials; s2, low-temperature pre-dispersion: adding the dried raw materials weighed according to the formula proportion into a high-speed mixer, so that the anti-hydrolysis agent and the auxiliary agent are uniformly attached to the surface of the PET base material to form a premix; s3, mild extrusion granulation: melting and mixing the premix through a twin-screw extruder, and extruding the premix into filaments through a die head; s4, the filaments are rapidly cooled and shaped through a cooling water tank, and secondary cross-linking is avoided; s5, pelletizing by adopting a pelletizer to obtain primary master batches; s6, the primary master batch is subjected to vacuum drying, surface moisture is removed, and the anti-hydrolysis PET master batch is obtained.The thermal degradation of a PET base material and the advanced reaction of an anti-hydrolysis agent are reduced, the intrinsic viscosity of the master batch is stable, and the anti-hydrolysis efficiency is improved.

This invention discloses a high-load transparent rare-earth complex organic glass scintillator, its preparation method, and its applications. The scintillator comprises a polymer matrix and an ionic rare-earth complex dispersed therein. The rare-earth complex includes a coordinating anion and an ionic liquid cation. The coordinating anion includes rare-earth ions and organic ligands, and the loading of the rare-earth complex in the polymer matrix can reach 80-90 wt%. By introducing an ionic liquid to construct an ionic supramolecular structure, the scintillator effectively isolates the luminescent center using steric hindrance and charge shielding effects, suppressing concentration quenching and enhancing compatibility with the matrix, allowing the material to maintain transparency of over 90% even under ultra-high loading. The scintillator exhibits a radiative luminescence intensity up to 23.9 times that of commercial LYSO, with a detection limit as low as 56 nGy / s, making it suitable for high-energy particle detection and X-ray imaging.

The utility model discloses a kind of semiconductor polishing liquid anti-deposition devices, including the storage tank for storing semiconductor polishing liquid, the side surface of the storage tank is equipped with circulation conveying component for semiconductor polishing liquid circulation, rotating drive component is installed on the position of the storage tank and corresponding the circulation conveying component, the bottom of the storage tank is also equipped with agitating component for semiconductor polishing liquid agitation, the circulation conveying component includes fixedly connected in the bottom of the side surface of the storage tank circulation pump, conveying pipe is installed on the circulation pump, rotatable annular pipe is connected to the other end of the conveying pipe.The utility model is by circulation pump and is sent to annular pipe by conveying pipe in the storage tank polishing liquid and is evenly sprayed by spray head, positive and negative rotation motor drives driving link to make annular pipe reciprocating rotation expand spraying range, while agitating motor drives agitating blade to agitate the polishing liquid in the storage tank, ensure its uniform distribution.

This invention provides a microwave dielectric ceramic material and its preparation method for low ESR capacitors, belonging to the field of ceramic materials technology. By optimizing the composition and ratio of the main material, sintering aid, and modifying additives, this invention achieves both low dielectric constant and low ESR (high Q value) while maintaining an extremely stable temperature coefficient, effectively solving the problem of simultaneously achieving dielectric performance and temperature stability in existing technologies. The microwave dielectric ceramic material provided by this invention can be sintered in a reducing atmosphere and can be used to prepare low ESR, high Q value, and narrow temperature coefficient copper electrode multilayer ceramic capacitors, avoiding silver migration phenomenon in silver-internal electrode MLCCs, effectively improving device reliability and lifespan. It has broad application prospects in high-end fields such as communication base stations, radar, medical equipment, military industry, and AI servers, and the microwave capacitors prepared from it have significant practical value and market application prospects.

The utility model discloses a kind of catalyst activation liquid concentration devices, it is related to catalyst production field, including concentration bucket;Control panel is set to the outside middle part of concentration bucket;Feed pipe is set to the outside top of concentration bucket, discharge pipe is set to the outside bottom of concentration bucket;Collecting mechanism is set to the top end of concentration bucket, realize the water vapor produced when collecting activation liquid concentration;Stirring assembly is set to the inside of concentration bucket, realize to activation liquid is fully stirred.The utility model can gather and guide to water vapor, and smoothly guide to connecting pipe, under the action of inflow chamber, pressurizing port and diffusion chamber, avoid water vapor in long connecting pipe Steam retention or condensation in advance situation, simultaneously utilize cutting block to the high-speed shearing and cutting of small agglomerate particle, avoid producing local concentration uneven or particle settlement, so that activation liquid raw material is heated more evenly, improve the finished product quality of concentrated solution.

The utility model discloses a boiler denitration agent feeding mechanism, which belongs to the technical field of flue gas denitration, and adopts the technical scheme that the boiler denitration agent feeding mechanism comprises a denitration tower, a controller is arranged on the front side of the surface of the denitration tower, a rotating assembly is arranged in the denitration tower, and the rotating assembly comprises a first bevel gear; a feeding assembly is fixedly connected to the interior of the first bevel gear, and by arranging the feeding assembly, a medicament sprayed from an atomizing nozzle can be annularly and uniformly distributed in the denitration tower, and the uniformly sprayed medicament can be in full contact with nitrogen oxide in flue gas, so that the condition that the concentration of the medicament in a local area is too low or too high is avoided; according to the denitration tower, the rotating assembly is arranged, so that the medicament sprayed from the atomizing spray head can be uniformly sprayed in the denitration tower in a 360-degree annular manner, the medicament can uniformly cover the internal space of the denitration tower, nitrogen oxides at all positions in the denitration tower can be fully contacted with the medicament and react with the medicament, and the denitration effect is further improved.

The invention discloses an aquatic feed processing waste gas treatment device coupled with spraying and catalytic ozonation, and belongs to the technical field of feed processing, the aquatic feed processing waste gas treatment device comprises at least two catalytic oxidation towers, the two catalytic oxidation towers are arranged in series along a waste gas conveying direction; the induced draft fan is arranged at the downstream of the last-stage catalytic oxidation tower; wherein a wet treatment area and a dry treatment area are sequentially arranged in the catalytic oxidation tower in the waste gas conveying direction; a spraying pipeline and a first ozone injection pipeline are arranged in the wet treatment area; and at least one group of catalytic oxidation components and a second ozone injection pipeline are fixedly arranged in the dry treatment region along the waste gas conveying direction. The device adopts a wet spray oxidation and dry ozone catalysis two-stage coupling process, effectively deals with complex working conditions of aquatic feed waste gas, physically isolates a mixing cavity from a catalytic oxidation cavity, fully pre-mixes ozone and waste gas, periodically sucks by a piston, forcibly pushes mixed gas to penetrate catalytic particles, remarkably strengthens gas-solid mass transfer and improves catalytic efficiency.

The utility model relates to the field of kettle discloses an ultrasonic wave cold extraction kettle, including the kettle body that top is provided with opening and the installation cavity that inner chamber bottom is provided with, the kettle cover that cover is located the kettle body top, the extraction bin that uses with the kettle cover cooperation and can separate, set up in the installation cavity and be used for separating the kettle body with the installation cavity's isolation sheet, set up in the isolation sheet bottom's ultrasonic generator and be used for with the bottom cooperation of kettle body and be used for with ultrasonic generator electricity connection's base, the extraction bin extends to be located above the isolation sheet downwards, and the bottom of extraction bin is provided with the bottom plate, is equipped with ultrasonic transmission filter hole on the bottom plate, the outer peripheral wall of extraction bin is provided with extraction filter hole. Through the extension extraction bin, make the raw material in extraction bin limit in the vibration core area, avoid the raw material excessively to float dispersion, make it sustained full contact high frequency vibration, significantly shorten the extraction time, improve the flavor substance dissolution efficiency.

This invention discloses a herbal skin-nourishing cream based on bamboo shoot extract as a solvent and its preparation method. The herbal skin-nourishing cream comprises an oil phase: petrolatum, squalane, dioctyl ether, glyceryl stearate, PEG-100 stearate, hydroxypinazone retinate, natural emulsifier, beeswax, tocopherol, cyclopentamethoxysiloxane, and oil-soluble fragrance; ethylhexylglycerin, niacinamide, and 10% citric acid are used to adjust the pH to 6.0-6.3. The aqueous phase comprises: pentylene glycol, panthenol, capryloyl hydroxamic acid, sodium hyaluronate, xanthan gum, dipotassium glycyrrhizate, sodium chloride, phenoxyethanol, p-hydroxyacetophenone, cellulose gum, and disodium EDTA; the balance is bamboo shoot extract. The average particle size of this invention is 1-5 μm, and the viscosity is 5000-8000 mPa·s. It has undergone heat resistance, cold resistance, centrifugal stability tests, and preservative challenges, demonstrating no stratification or deterioration. Human patch tests have proven its suitability for sensitive skin.

The utility model discloses a water purification material feeding device for river management relates to the technical field of river management equipment, including storage tank, guide material mechanism and feeding mechanism, and guide material mechanism includes guide material cylinder, pivot and guide material blade, and guide material cylinder is linked with storage tank, and pivot rotationally arranged in the guide material cylinder, and guide material blade fixedly arranged at the outside of pivot, and feeding mechanism includes guide rail, sliding support, feeding pipe, detection component, adjusting assembly and control terminal, and guide rail is fixedly connected with guide material cylinder, and sliding support is slidably connected with guide rail, and one end of feeding pipe is linked with the other end of guide material cylinder, and the other end of feeding pipe is fixedly connected with sliding support, and through the cooperation of detection component, adjusting assembly and control terminal, realize the dynamic regulation of the height of feeding port with the water level change, ensure that the medicament always forms effective concentration on the water surface and the surface layer of water body, improve the feeding accuracy, make full use of the wind and the water flow to promote the medicament to act on the algal dense area, and strengthen the management effect.

This invention provides a front-end treatment device for electroplating wastewater contaminated with heavy metals, relating to the field of electroplating wastewater technology. The device includes a first treatment chamber, a transmission chamber, a mounting rod, a permanent magnet, a connecting rod, a second treatment chamber, a connecting pipe, and a stirring assembly. This invention uses neodymium iron boron (NdFeB) permanent magnets as the core element for heavy metal adsorption. These magnets possess extremely strong magnetic adsorption properties, rapidly adsorbing magnetic heavy metal ions such as iron, nickel, and cobalt, as well as pollutants containing magnetic components, from electroplating wastewater. Simultaneously, the permanent magnets are driven by a swing assembly to oscillate reciprocally at an angle of 30–60°. Combined with the opposite polarity of adjacent permanent magnets, a dynamically changing magnetic field environment is formed. This not only expands the magnetic field coverage but also avoids the formation of adsorption saturation regions, significantly improving the capture efficiency of heavy metal ions. The titanium alloy or polyvinyl chloride corrosion-resistant protective shell on the outer surface of the permanent magnets ensures magnetic stability and extends service life, guaranteeing long-term and efficient heavy metal separation.

The application discloses a collophanite reverse flotation process applied to yield improvement, and the process is characterized in that flotation reagents are sequentially added into phosphorite slurry and then introduced into roughing operation, roughing is carried out, and rough concentrate and foam product I are obtained; the foam product I is introduced into one-stage scavenging after adding an adjusting agent, and scavenging concentrate I and foam product II are obtained; the scavenging concentrate is reselected after adding flotation reagents, and reselected concentrate and foam product III are obtained; the reselected concentrate and the rough concentrate are mixed and then introduced into cleaning after adding flotation reagents, and final concentrate and foam product IV are obtained, and the foam product IV is returned to the roughing operation; the foam product III is mixed with the foam product II, and two-stage scavenging is carried out, and scavenging concentrate II and foam product V are obtained, the foam product V is final tailings, and the scavenging concentrate II is returned to the one-stage scavenging operation. The process is stable, simple and efficient, has strong adaptability to ores, and has low phosphorus content of tailings and higher phosphorus yield.

The utility model discloses a naphtha dechlorination device, which relates to the technical field of dechlorination equipment and comprises a tank body, a mounting shell is mounted at the top end of the tank body, a rotating component is mounted in the mounting shell and comprises a rotating motor mounted in the mounting shell, and the output end of the rotating motor is connected with a first bevel gear. One side of the top end of the first bevel gear is in meshed connection with a second bevel gear, the middle of the second bevel gear is fixedly connected with a first rotating rod, one side of the bottom end of the first bevel gear is in meshed connection with a third bevel gear, the first rotating rod is arranged on the inner wall of the third bevel gear in a sleeving mode and is rotationally connected, and a fixing support is installed on the inner wall of the tank body; according to the utility model, the inner stirring blade and the outer stirring blade respectively rotate in opposite directions by utilizing the rotating assembly to form a complex three-dimensional flow field, and when the inner-layer stirring blade rotates in the forward direction, materials in a central area are driven to quickly circulate, so that a dechlorinating agent is quickly dispersed into a naphtha main body.

The invention discloses a process and a method for preparing a nano material. Specifically, lithium iron phosphate, composite sodium iron phosphate and calcium carbonate are efficiently prepared by adopting a sol-gel method and a precipitation method respectively. When the lithium iron phosphate and the composite sodium iron phosphate are prepared, the reaction process is controllable by regulating and controlling the oscillation condition, the reaction temperature, the pH value and the retention time, and a target product is obtained after the gel is calcined. When calcium carbonate is prepared, nucleation and crystallization are enhanced by controlling the flow rates of a precursor, a precipitator and a surfactant and combining oscillation. According to the method, mixed mass transfer is enhanced by means of periodic oscillatory flow, local supersaturation and concentration gradient are inhibited, reactant deposition and channel blockage are reduced, continuous and stable production is guaranteed, meanwhile, the use amount and cost of a surfactant are reduced, and accurate regulation and control over the particle size, morphology and distribution of the material are achieved. Compared with a traditional process, the preparation period is greatly shortened, the product purity and the reaction efficiency are improved, and the method is suitable for industrial continuous production and has remarkable economic benefits and social benefits.

This invention discloses an in-situ colonic short-chain fatty acid production promoter, its preparation method, and its application. The preparation method includes: Step 1, reaction system preparation: Raffinose is added to distilled water and stirred at 50-60°C until completely dissolved, preparing a raffinose aqueous solution with a mass-volume concentration of 20-40%. The pH of the solution is adjusted to 8-9 to obtain an alkaline reaction system; Step 2, esterification reaction: Maintaining the system at 50-60°C and pH 8-9, butyric anhydride is slowly added to the alkaline reaction system. After the addition is complete, the reaction is maintained at this temperature, with the total reaction time controlled at 1-6 hours; after the reaction is completed, the pH of the system is adjusted to 6-7 to terminate the reaction, obtaining an esterification reaction solution; Step 3, post-processing: The esterification reaction solution is cooled to room temperature and successively concentrated, purified, and lyophilized to obtain the target product. The beneficial effects of this invention are: it can comprehensively improve the level of short-chain fatty acids in the colon and optimize the intestinal flora structure, breaking through the bottleneck of short-chain fatty acid delivery.

This invention provides a purification device for purified water, comprising a pretreatment sedimentation tank, a multi-media filter, an activated carbon filter, and a reverse osmosis device arranged sequentially. The pretreatment sedimentation tank is provided with a lower inlet and an upper outlet. A water treatment device is also provided inside the pretreatment sedimentation tank. The water treatment device includes a filter element and a backwashing mechanism. A gear pump pumps the filtered water in the outlet area through a delivery pipe to a strip box. The water flow sprays out from the opening on the lower side of the strip box and acts on the surface of the filter element. Simultaneously, the strip box rotates radially on a central column, performing a full-area, uniform backwashing of the filter element, flushing the attached impurities back to the inlet area, eliminating the need for an external flushing water source.

The utility model discloses a traditional chinese medicinal material is planted and is used infiltration device, including reciprocating structure, reciprocating structure sets up in the infiltration frame front end, reciprocating structure includes the incomplete gear and sets up at its both sides a plurality of tooth groove, the incomplete gear is engaged with tooth groove, realizes the back and forth reciprocating movement of infiltration frame, the turbulence generating device, the turbulence generating device sets up in the infiltration tank lower part, the turbulence generating device includes a plurality of jet pipe, all have opened the lance that communicates with its on the jet pipe upper end, the jet pipe provides compressed air through the compressed air pump. The utility model discloses through reciprocating structure makes the infiltration frame back and forth reciprocating movement, drives traditional chinese medicinal material to move in the infiltration liquid, makes the infiltration liquid to traditional chinese medicinal material's penetration rate improve, has reduced the infiltration time, has improved the infiltration efficiency, and the turbulence of turbulence generating device generation has promoted the flow of infiltration liquid, has avoided the situation that liquid local concentration is too high or too low.

The utility model belongs to the technical field of suspension detection, and discloses a magnetic stirrer suitable for a suspension, which comprises a machine body, a control panel is arranged on one side of the upper surface of the machine body, a carrier plate is arranged on the other side of the upper surface of the machine body, a Schottky bottle is placed on the upper surface of the carrier plate, a stirrer is arranged in the Schottky bottle, and the stirrer is arranged on the lower surface of the machine body. A cavity is formed in the machine body, a strong magnet block and a power transmission mechanism are arranged in the cavity, the strong magnet block is used in cooperation with the stirrer to drive the stirrer to stir, the power transmission mechanism is used for driving the strong magnet block to rotate, and the power transmission mechanism is connected with the control panel. According to the scheme, the Schottky bottle is innovatively adopted to replace a beaker, and a small-caliber bottle opening can inhibit the suspension from overflowing when the suspension is uniformly mixed, so that the result is prevented from being influenced; a magnetic stirring technology is introduced, and the rotating speed and time are fixed, so that personal errors are reduced, suspension uniformity is ensured, and data reliability and precision are improved.

The utility model belongs to the technical field of plant leaf spraying, and particularly relates to a double-sided self-adjusting spraying area controllable spraying can which comprises a base, a can body is fixedly installed at the top of the base, the top of the can body is in threaded connection with a can cover, a handle is installed on the right side of the can cover, and the spraying can further comprises a pressurizing assembly used for injecting air into the can body. The pressurizing assembly is arranged on the kettle cover; the double-head spraying assembly is used for spraying the two surfaces of the blade at the same time and is arranged on the kettle cover; the stirring assembly is used for stirring the medicine and is arranged on the kettle body; and the air pressure measuring assembly is used for detecting the air pressure in the kettle body and is arranged on the right side of the air pressure measuring assembly. Through mutual cooperation of the recycling assembly and the double-head spraying assembly, the environment-friendly spraying device has the advantage of being environmentally friendly; in addition, the spraying area and the spraying angle can be changed according to the blade size and experiment requirements.

The invention provides a synthesis method of modified polystyrene with controllable molecular weight, which comprises the following steps: S1, dissolving a free radical initiator, a styrene monomer and a modified monomer in a part of an organic solvent to obtain a mixed monomer solution; s2, in a nitrogen atmosphere, heating the rest of the organic solvent to 60-150 DEG C, dropwise adding the mixed monomer solution obtained in the step S1 into the organic solvent at a constant speed to initiate a polymerization reaction, and curing at a constant temperature for 30-120 minutes after dropwise adding for 30-150 minutes; s3, carrying out reduced pressure distillation on the reaction system until the solid content of a product reaches 70% to obtain modified polystyrene; wherein the number average molecular weight of the modified polystyrene is 3000 to 80000. The invention provides a synthesis method of modified polystyrene with controllable molecular weight, which realizes controllable preparation of the modified polystyrene product with the number-average molecular weight in the range of 3000-80000, and obtains the product with narrow distribution and stable solid content.

The utility model relates to the technical field of silica gel, in particular to a stirring device for organic silica gel processing, which comprises a bottom plate, a stirring box is fixedly arranged at the top of the bottom plate, a stirring assembly is arranged in an inner cavity of the stirring box, the stirring assembly comprises a movable box, one side of the movable box is fixedly connected with the left side of the stirring box, and the other side of the movable box is fixedly connected with the right side of the stirring box. A motor is fixedly arranged on the outer side of the movable box, one end of the motor is fixedly connected with a rotating rod, the two sides of the surface of the rotating rod are fixedly sleeved with driving gears, the surfaces of the driving gears are in meshed connection with driven gears, and inner cavities of the driven gears are fixedly connected with screw rods; one end of the screw rod penetrates through the movable box and extends into an inner cavity of the stirring box, and when the organic silica gel is stirred, the motor is started, the rotating rod is driven to rotate through the motor, the two driving gears are driven to rotate through the rotation of the rotating rod, and the two driven gears are driven to rotate through the rotation of the two driving gears.

The invention discloses an automatic honey soaking device for black ginseng honey slices and a low-dryness nine-process mild conversion process, and relates to the field of black ginseng product processing. The honey soaking device is configured to be honey soaking treatment equipment for realizing automatic soaking and flavoring of the black ginseng slices, circular honey spraying and quantitative liquid supplementing; the honey soaking treatment equipment comprises an interlayer type honey soaking pot, a rack, a circulating spraying assembly and a honey supplementing tank, the rack comprises a turnover frame and a guide frame which are connected front and back, and the interlayer type honey soaking pot is installed on the turnover frame and can turn over relative to the turnover frame to achieve dumping; the interlayer type honey soaking pot is provided with an accommodating main body, an interlayer space covering the peripheral wall of the accommodating main body, and a medium lead-in interface and a medium lead-out interface which are arranged at the bottom of the interlayer space and are communicated with an external temperature control host; according to the honey soaking device and the low-dryness nine-process mild conversion process, automatic soaking of the black ginseng slices can be achieved, meanwhile, low-dryness constant-temperature keeping, uniform spraying and permeating and multi-round gradual honey supplementing of honey are considered, and soaking and permeating are sufficient.

This invention provides an apparatus and method for simultaneously measuring the concentrations of formaldehyde and glyoxal in the atmosphere. The apparatus includes a sample introduction system, an excitation light source, a main cavity, a spectrometer, a wavelength and power correction system, and a software control system. This method can rapidly and accurately measure the concentrations of formaldehyde and glyoxal in the atmosphere simultaneously with time resolution. This invention utilizes a highly selective and sensitive laser-induced emission spectrometer to achieve real-time monitoring of VOCs in hazy weather. It employs time-division multiplexing technology to achieve multi-level selectivity of the results, eliminating interference from field measurements, providing experimental support for tracing the sources of VOCs emissions, and providing strong technical support for studying the intrinsic mechanisms of atmospheric VOCs reaction kinetics. It boasts higher resolution, faster detection speed, and the ability to obtain more multi-dimensional data, and also has advantages such as low cost, modularity, and miniaturization.

This utility model discloses a pretreatment device for acid / alkali liquid hazardous waste, relating to the field of hazardous waste pretreatment technology. It includes a treatment tank with a discharge pipe connected to its bottom and a valve on the discharge pipe. The treatment tank contains a stirring mechanism for mixing the liquid hazardous waste. By using a motor to drive a first and a second stirring blade to stir the waste liquid in both directions, the device ensures uniform distribution of the acid / alkali solution within the waste liquid, avoiding localized excessively high or low acid / alkali concentrations. This improves the efficiency and uniformity of the neutralization reaction, accelerates the neutralization process, shortens treatment time, and increases treatment efficiency.

This utility model relates to the field of pathogenic nematode concentration technology, and more particularly to an insect pathogenic nematode concentration device, including a container, a heating mechanism, a liquid level sensor, and a controller. The container has at least one opening / closing component inside. When at least one of the opening / closing components is closed, the container is divided into at least two storage spaces, which is used to quickly establish a high vapor pressure in the early stage of concentration and accelerate the evaporation initiation rate. The heating mechanism is located inside the storage space and is used to heat and evaporate the suspension within the storage space. The liquid level sensor is installed inside the storage space and is used to detect the liquid level of the suspension within the space. This utility model divides the container into multiple small storage spaces through the opening / closing component, which facilitates the rapid establishment of a high vapor pressure in the early stage of concentration and accelerates the evaporation initiation rate. As evaporation proceeds and the suspension continuously decreases, opening the opening / closing component expands the space, providing a more suitable evaporation environment for the remaining suspension.

This invention relates to the field of phenolic resin technology, specifically to a method and apparatus for producing phenolic resin. The method involves adding phenol, cresol, tert-butylphenol, and cashew phenol to a mixing tank and mixing them evenly to form a mixed phenol. The mixed phenol is then mixed with an alkaline solution in a mixer to obtain a mixed liquid. The mixed liquid is then reacted with an aqueous formaldehyde solution in a first circular reactor to obtain a prepolymer liquid. The prepolymer liquid is then reacted with trimethylhydroxyethyl ethylenediamine in a second circular reactor to obtain phenolic resin. The mixing tank, mixer, first circular reactor, and second circular reactor are connected sequentially. The phenolic resin production method and apparatus provided by this invention increase the contact area and heat dissipation effect of the materials during the reaction process, promoting rapid reaction and driving the upgrading of phenolic resin towards high performance and environmental friendliness, producing high-solids, low-viscosity phenolic resin products.

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 preheating and mixing equipment for chemical synthetic materials, which belongs to the technical field of raw material mixing equipment and comprises a mixing tank and a feed pipe fixedly mounted on the mixing tank, a stirring rod is rotatably mounted in the mixing tank, and a discharge pipe is mounted at the bottom of the mixing tank. According to the preheating and mixing equipment for the chemical synthetic materials, a stirring rod continuously rotates to drive a reciprocating screw rod to continuously rotate in a conical cover, a push rod is guided by a guide block, so that a sliding block and the push rod do up-down reciprocating motion on the reciprocating screw rod, and then a plurality of push blocks are driven to do up-down reciprocating motion to repeatedly push the mixed chemical synthetic materials downwards; according to the discharging pipe, the discharging speed can be increased when chemical synthetic materials are discharged outwards, the chemical synthetic materials can be automatically prevented from being accumulated in the discharging pipe during discharging, blocking is prevented, the fluidity can be improved, the discharging speed is increased, and the production efficiency is improved.

This invention belongs to the field of gas detection technology, specifically relating to a device and method for detecting the decomposition products of perfluoroalkyl nitrile (PFAN) in insulating gases. The device includes a gas acquisition module, a pretreatment module, a multi-technology co-processing module, a detection chamber, and an intelligent data processing and control system. The gas acquisition module collects and concentrates gas samples through a sampling unit in the gas chamber and a low-temperature enrichment unit. The pretreatment module purifies the gas and converts complex components through a high-efficiency filter, a dryer, and a catalytic conversion unit. The multi-technology co-processing module uses a micro gas chromatography unit to separate the gas and an infrared spectroscopy unit for qualitative analysis. The gas-sensitive sensor array in the detection chamber enables multi-dimensional detection. The intelligent data processing and control system's storage module stores multiple databases, and the analysis module calls these databases to analyze data from multiple modules, achieving sampling, detection, and intelligent analysis of the decomposition products. This solves the problems of missed detections, lack of specificity, and low efficiency in existing detection methods.

The utility model relates to medicine mixing technical field, specifically disclose a kind of medicine spraying machine medicine mixing device, including storage box and mixing box, the first stirring rod is rotatably connected in the storage box, the second stirring rod is rotatably connected in the mixing box, the mixing assembly for simultaneously driving the first stirring rod and the second stirring rod to rotate is provided on the storage box, the utility model in the present application is mixed by setting storage box, mixing box, drainage component and mixing assembly, mixing assembly drives second stirring rod to rotate in mixing box, the medicine and water premixing in mixing box, can reduce the phenomenon of powdery medicine massing, let medicine more evenly dispersed, avoid local concentration too high or insufficient, then by drainage component the mixed liquor in mixing box is delivered to storage box, mixing assembly drives the first stirring rod to rotate, the mixed liquor of different side height in storage box, avoid the phenomenon of stratification, improve mixing effect.