Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

95results about How to "Uniform penetration" patented technology

Textile dyeing auxiliary device

The invention belongs to the technical field of textile dyeing, and particularly relates to a textile dyeing auxiliary device which comprises a dyeing pool, and one side of the dyeing pool is provided with an adjustable pressing mechanism used for positioning a textile; the adjustable pressing mechanism comprises a second supporting column fixedly connected to one side of the left end face of the dyeing pool, placing blocks are slidably connected to the two sides of a seventh sliding rod, and pressing blocks are slidably connected to the inner sides of the placing blocks. According to the textile drying device, by means of the rotary smoothing type hanging mechanism, after a textile is preliminarily squeezed, the textile on a containing block can be transferred to a containing roller, the textile is in a falling state, residual dye on the textile can drip into a dyeing pool under the action of gravity, and therefore the squeezed textile is drained again, and the drying efficiency of the textile is improved. And the situation that the normal operation of the equipment is influenced and even the performance of the equipment is damaged due to the fact that residual dye of the textile drips onto the processing equipment is avoided.
Owner:WUJIANG KEJIA SPECIAL CHEM FIBER RAW MATERIAL CO LTD

Movement guide mechanism of dyeing soaking pool

The invention discloses a movable guide mechanism of a dyeing soaking pool, which comprises the dyeing soaking pool and further comprises a guide assembly, movable guide rollers are arranged on the left side and the right side in the dyeing soaking pool, the guide assembly comprises a fixed frame, and the fixed frame is fixedly connected to the middle of the top in the dyeing soaking pool. Auxiliary guide rollers are arranged on the left and right sides in the fixing frame, a fixing transverse plate is fixedly connected to the middle of the top in the fixing frame, and fixing guide boxes are fixedly connected to the front and rear sides of the bottom of the fixing transverse plate. According to the device, the top of the fabric is expanded by arranging the movable guide rollers, so that gaps among fibers of the fabric can be enlarged, dye is easier to be in full contact with the fabric during soaking, the efficiency is higher when the fabric is soaked and dyed, the fabric can be more fully exposed in the dye by expanding the fabric, and the fabric can be better dyed. The dye can more uniformly permeate into each part of the fabric, so that the phenomenon of non-uniform dyeing is reduced, and a more consistent and attractive dyeing effect can be obtained.
Owner:ZHUJI RONGXING KNITTING CO LTD

Antistatic treatment device for polyester-cotton fabric

The utility model relates to the field of polyester-cotton fabric treatment, and discloses a polyester-cotton fabric antistatic treatment device which comprises an equipment body with a supporting plate at a feeding port, a spraying assembly is arranged in the equipment body, and the spraying assembly comprises a wide-width spray head and a cleaning part used for cleaning the wide-width spray head; the spraying assembly is arranged in the equipment body, the spraying assembly comprises the wide sprayer and the cleaning part used for cleaning the wide sprayer, the pre-wetting assembly, the permeation assembly and the drying assembly which are used for conducting antistatic treatment on polyester cotton fabric are arranged on the supporting plate, spraying is more uniform through the wide sprayer, and the cleaning part cleans the wide sprayer, so that the antistatic effect of the polyester cotton fabric is improved. According to the spraying device, spraying uniformity is guaranteed, thick parts or complex structures such as jacquard and interweaving parts are pre-wetted and then sprayed, permeation of an antistatic agent is accelerated through the permeation assembly, then drying is conducted through the drying assembly, the solubility and permeability of the antistatic agent are enhanced, and the antistatic effect of the polyester-cotton fabric is improved.
Owner:ZHEJIANG HONGCHEN DYEING & PRINTING TECH CO LTD

Formula and preparation method of glutinous rice sausage

PendingCN121986908AConsistent meat textureconsistent flavorFood scienceBiotechnologyMonosodium glutamate
The invention discloses a formula and a preparation method of a glutinous rice sausage. The preparation method comprises the following steps: stir-frying glutinous rice and salted meat; the stir-fried glutinous rice comprises glutinous rice, fried lard oil, minced garlic, trehalose, refined salt and monosodium glutamate; the salted meat comprises pork, chopped salted fat dices, water, white granulated sugar, refined salt, monosodium glutamate, sodium tripolyphosphate, sodium pyrophosphate and auxiliary materials; the preparation of the stir-fried glutinous rice comprises hot frying and cold frying. The flavor of the glutinous rice sausages is remarkably improved, the glutinous rice in the sausages absorbs grease of the stuffing, particles are full, the taste is fragrant, sweet, soft and glutinous, and the overall flavor is richer and more harmonious.
Owner:HAI PA WANG (SHANTOU) FOODS CO LTD

A high-stability lithium battery diaphragm and a preparation method thereof

ActiveCN121054954Bavoid embrittlementlower contact angleOptical radiationHigh energy
The application relates to the technical field of lithium battery diaphragm, in particular to a high-stability lithium battery diaphragm and a preparation method thereof. The high-stability lithium battery diaphragm is prepared by the following steps: after a polypropylene film is irradiated by ozone and ultraviolet light in sequence, pre-deposition and pre-grafting are carried out on the surface of the polypropylene film, and then ultraviolet radiation treatment is carried out. The application realizes synergistic effect of nano-enhancement and self-repairing, solves the stability problem of traditional PP diaphragms in long-term cycles, and provides a reliable diaphragm solution for high-energy-density lithium batteries.
Owner:SHENZHEN RUNSEA ELECTRONICS CO LTD

Prefabricated black pepper beefsteak set meal suitable for air fryer and combined preparation technology of prefabricated black pepper beefsteak set meal

PendingCN121926331ATender and juicy tasteEven mouthfeel bright redFood ingredient as antioxidantFood ingredient as colourProcess engineeringPepper - seasoning
The invention relates to the technical field of food production, and discloses a prefabricated black pepper beefsteak set meal suitable for an air fryer and a combined preparation technology thereof, and the prefabricated black pepper beefsteak set meal is composed of a pickled beefsteak bag and a black pepper seasoning bag. The beefsteak is pickled by the pickling liquid, moisture and seasoning components in the beefsteak can be effectively locked, and the beefsteak still keeps tender and juicy taste after high-temperature cooking in an air fryer in cooperation with vacuum rolling and low-temperature static pickling processes. The black pepper seasoning is matched with a compound system of ferrous glycinate and ferrous citrate, so that the steak presents a uniform and bright red color. The preparation process is simple and controllable, the raw materials are green and environment-friendly, the industrial production requirement is met, and the market application prospect is wide.
Owner:ZHEJIANG RUIXUAN FOOD CO LTD

Resin filter core structure and water purifier applying same

PendingCN122586199Aincrease profitAlleviating the problem of premature decay of purification capacity
The application discloses a resin filter core structure and a water purifier applying the same, and belongs to the technical field of water purification. The water purifier comprises a box body and a filter core assembly. A first cavity is arranged in the box body. The filter core assembly is arranged in the first cavity. The filter core assembly comprises a shell, a center pipe, a second cavity, a resin core layer, a water distributor and a filter layer. The second cavity is arranged in the shell. The center pipe is arranged in the second cavity. The lower end of the center pipe is communicated to the outer bottom wall of the shell. The filter layer is arranged on the upper outer wall of the center pipe. The resin core layer is arranged in the second cavity. The water distributor is arranged on the outer wall of the center pipe around the filter layer. The water inlet direction is changed through the water distributor, so that the water flow can fully flow in the resin core layer, the service life is prolonged, and the purification effect is improved.
Owner:FOSHAN XINYAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Powder injection type drying decanter centrifuge

ActiveCN224641298UIncrease solid contentloose texture
The utility model relates to a horizontal screw centrifuge technical field discloses a kind of powder spraying type drying horizontal screw centrifuges, to solve the defect of overcoming the high moisture content of solid phase material of existing horizontal screw centrifuge easy to stick. The utility model is under the centrifugal field by superstrong instantaneous mixing and penetration: in the centrifugal field of up to hundreds even thousands of times gravity acceleration, dry powder particles spouted from powder spout can be "pressed into" the filter cake being extruded by screw conveyor dehydration with very high relative speed, this forced mixing under high G force, far more than ordinary mixer can compare, it can make dry powder instantaneously, uniformly penetrate into the micro-pore structure of filter cake, realize molecular level contact, greatly improve the reaction efficiency and hygroscopic efficiency of drying agent (such as quicklime, fly ash etc.), make the filter cake discharged solid rate significantly improve, and texture loose, uniform.
Owner:NANJING MONYA CENTRIFUGE TECH DEV CO LTD

A multi-layer temperature-controlled asphalt impregnation furnace device

ActiveCN224619887UEliminate temperature gradientsUniform penetration
This utility model relates to the field of high-temperature impregnation process equipment technology, specifically a multi-layer temperature-controlled asphalt impregnation furnace device. It includes a vertical cylindrical furnace body, with a flue gas treatment pipe running through the top of the furnace body. Asphalt spraying inlets are symmetrically arranged on both sides of the top of the furnace body, and an asphalt outlet is located at the bottom of the furnace body. A furnace door is hinged to the side wall of the furnace body. A conical gas collection hood is connected to the bottom of the flue gas treatment pipe via a quick-connect flange. Multiple layers of annular resistance heating strips are axially embedded inside the furnace body, forming an impregnation zone within each layer. A liftable track-type support is installed at the bottom of the impregnation zone. This utility model has advantages such as uniform temperature control, excellent impregnation quality, smooth exhaust, and convenient loading, unloading, and asphalt circulation. It is suitable for impregnating carbon fiber preforms or other materials.
Owner:JIANGSU MIG NEW MATERIALS CO LTD

A pretreatment device for kimchi processing

This utility model discloses a pre-treatment device for kimchi processing, relating to the field of kimchi processing technology. The utility model includes: a washing tank with a drain pipe connected to the bottom of one side; a water-passing plate fixed in the middle of the washing tank, with a drain outlet at one end of the water-passing plate; a U-shaped plate positioned above the water-passing plate, with mesh cylinders evenly embedded on the bottom side of the U-shaped plate, into which vegetables to be washed are placed one by one; and a driving mechanism positioned above the water-passing plate. This utility model uses conical mesh cylinders to independently wrap the cabbage, avoiding the frictional damage to the leaves caused by high-density stacking in traditional washing methods. It also ensures that water flows evenly into the gaps between the leaves, improving the thoroughness of the washing. The driving mechanism enables high-frequency, low-amplitude reciprocating motion of the U-shaped plate, simulating the effect of hand rubbing and enhancing the efficiency of stain removal.
Owner:CHONGQING PENGJIANG IND CO LTD

A temperature and humidity controlled storage system for storing premium soybeans

This utility model discloses a temperature and humidity control warehouse for storing premium soybeans, including a chassis, a placement compartment, and a temperature and humidity control mechanism. The outer compartment of the placement compartment is inserted into the chassis, and the top of the reinforcing frame on its inner wall is equipped with hooks, allowing for overall loading and unloading via hoisting equipment. The perforated panels inside the placement frame are used to stack bagged premium soybeans. The temperature and humidity control mechanism includes a humidification ring pipe and a heat dissipation cover. The humidification ring pipe supplies water through an inlet pipe, and nozzles spray humidification. A fan inside the heat dissipation cover works with a ventilation filter to create air circulation, maintaining stable temperature and humidity within the warehouse. This warehouse achieves rapid loading and unloading of large quantities of premium soybeans through mechanized hoisting, improving loading and unloading efficiency, reducing labor costs, and ensuring a constant temperature and humidity environment within the warehouse, reducing the impact of temperature and humidity fluctuations on the quality of the premium soybeans. It is suitable for storing premium soybeans.
Owner:SHANGHAI JIAYAN FOOD CO LTD

An intelligent sensor's alumina substrate processing device

ActiveCN224415705Usmall temperature differenceEvenly sintered and heatedHeater RodIntelligent sensor
The utility model discloses an intelligent sensor's aluminium oxide base processing device related to sensor preparation technical field, and the middle part of sintering furnace inner chamber is equipped with the baffle, and the sintering furnace inner chamber is separated by left and right and is divided into a plurality of sintering cavities by the baffle, and a plurality of silicon molybdenum heating rods that are arranged on the inner wall of sintering cavity are arranged from top to bottom in the sintering cavity, and the sintering cavity is also equipped with the material frame for placing aluminium oxide base, and the material frame includes pivot, material tray, base and drive walking mechanism, and the pivot that is perpendicular to the base is rotatively driven and installed on the upper portion of base, and a plurality of material trays that are arranged along the pivot axial direction are arranged on the pivot axle body, and a plurality of installation grooves that are arranged in order and are used for vertically clamping and placing aluminium oxide base are arranged on the upper surface of material tray, and the bottom of base is equipped with drive walking mechanism, and the utility model not only can fully and evenly sinter and heat aluminium oxide base, but also can effectively reduce the deformation, warping or cracking of aluminium oxide base during the sintering process.
Owner:HENAN GUANGHENG ALUMINUM CO LTD

Intelligent welding device and method for lower frame of excavator

The present application relates to the technical field of construction machinery structure welding, and especially to an intelligent welding device for a lower frame of an excavator, comprising a base, a fixing seat arranged on the outer wall of the base, a rotary table sleeved on the outside of the fixing seat, an X support placed on the outside of the rotary table, and a continuous welding device arranged between the rotary table and the X support. The present application uses a rotating roller to real-time clamp and limit two cover plates, which can effectively prevent the cover plate angular deformation caused by the cooling and shrinkage of the weld, and can save the symmetrical welding, segmented skip welding and other processes, reduce the post-welding slag cleaning, polishing and other finishing workloads, compress the processing time, improve the welding forming quality and production efficiency, and meanwhile, with the help of the self-adaptive adjustment of the deflection assembly, the welding head can be accurately deflected along the inclined plane, the X support complex inclined plane continuous welding can be adapted, the angular deviation and welding blind area can be avoided, the weld penetration uniformity and the regular appearance can be ensured, and the welding precision and continuity can be further improved, and the overall welding quality can be stabilized.
Owner:ANHUI LONGLI MASCH TECH CO LTD

Rice seedling raising device

The rice seedling raising device comprises a support and a controller, the support comprises a bottom plate and supporting columns perpendicular to the four corners of the bottom plate, a ceiling is arranged at the tops of the four supporting columns, a plurality of seedling raising devices are arranged among the four supporting columns from top to bottom, each seedling raising device comprises a seedling raising plate and a sliding way frame, the seedling raising plates are cavities, and the sliding way frames are arranged in the cavities. A cavity is formed in the seedling raising plate, a seedling raising groove is formed in the seedling raising plate, the bottom of the seedling raising groove extends into the cavity, water permeable holes are formed in the bottom and the side face of the seedling raising groove, a sponge block is embedded in the seedling raising groove, and a strip-shaped hole is formed in the top face of the sponge block. Through optimization and improvement in multiple aspects of multi-layer design, resource recycling, intelligent control, nutrient solution receiving optimization, simple operation and the like, the rice seedling raising efficiency and effect are remarkably improved. The novel rice seedling raising device not only solves the problems and limitation of a traditional seedling raising device, but also provides a more efficient, environment-friendly and intelligent seedling raising solution for rice production.
Owner:ANHUI YUSHUN SEED IND DEV CO LTD

A polyester fabric continuous pad dyeing device and pad dyeing process

The present application belongs to the field of textile printing and dyeing technology, and particularly relates to a polyester fabric continuous pad dyeing device and pad dyeing process, which comprises a pad dyeing frame; a feeding roller is arranged on one side of the top of the pad dyeing frame, and a tension roller is arranged below the feeding roller; through the design of a mixed turbulent flow component, the dye is delivered to the inner and outer rotating rods by a circulating pump to realize dye circulation; the fabric advances to drive the guide wheel to rotate, drives the first driving wheel and the first driven wheel, and makes the inner rotating rod rotate reversely; the spiral plate agitates the dye; at the same time, the motor drives the third driving wheel to drive the axial stirring rod to stir the dyeing liquid in the same direction; the outer rotating rod uniformly sprays the dye; the design of the staggered arrangement of the spiral plates, the liquid outlet holes and the diffusion holes further enhances the mixing effect; multiple components cooperate to stir the dye from multiple directions, avoids stratified precipitation, ensures uniform dye concentration, greatly improves the mixing efficiency compared with the traditional method, effectively solves the dyeing color difference problem, and significantly improves the dyeing uniformity and product quality.
Owner:ZHUJI SHENGYUE DYEING & FINISHING CO LTD

Wood barbecue charcoal raw material soaking and stirring device

ActiveCN224822393USolve the problem of uneven soakingUniform penetration
The utility model relates to raw material soaking stirring equipment technical field especially relates to a wooden barbecue charcoal raw material soaking stirring device, including stirring equipment, the stirring equipment includes soaking cylinder, the soaking cylinder front end is connected with the water outlet pipe, the soaking cylinder top end left and right sides symmetry is connected with two pedestals, the pedestal surface is installed with the mixing part, the soaking cylinder inside is provided with the lower pressure part, the utility model discloses through setting lower pressure part, including pressing plate and movable plate, cooperation screw thread rotation axle and frame board, can force the lower pressure of the wood block floating on the liquid surface, makes it completely immerse in the soaking liquid, simultaneously, the upper board in the mixing part can turn over the wood block on the bottom and lift under the driving of the pivot, forms the up and down circulating stirring, effectively solved the soaking uneven problem that the raw material caused by the buoyancy or the bottom in the traditional mode, ensures the moisture uniform infiltration, improves the carbonization consistency and product quality.
Owner:XINXING COUNTY ZHISHENG ENVIRONMENTAL PROTECTION CHARCOAL CO LTD

Fabric printing and dyeing device for clothing processing

The utility model provides a fabric printing and dyeing device for clothing processing, which comprises a base, a cloth outlet roller, a cloth collecting roller and a printing and dyeing pool, the cloth outlet roller is arranged on the right side above the base, the cloth collecting roller is arranged on the left side above the base, the printing and dyeing pool is arranged on the right side of the cloth collecting roller, a lifting pressing plate is arranged above the printing and dyeing pool, and the left side and the right side below the lifting pressing plate are respectively provided with a lower pressing roller. Compared with the prior art, the device has the following beneficial effects that the impurity removing part is arranged, so that impurities attached to the surface of the fabric can be scraped before the fabric is printed and dyed, the influence of the impurities on the printing and dyeing effect is prevented, the perfect presentation of the printing and dyeing effect is effectively ensured, the interference of the impurities is avoided, and colors can be uniformly and accurately attached to the fabric; the problems of color spots, color stains and the like caused by impurities are avoided, so that the printed and dyed fabric is bright and pure in color and natural in transition, and the attractiveness and visual attraction of a product are greatly improved.
Owner:WEIYUAN HALLYU CLOTHING CO LTD

Two-stage slurry-free treatment method for aquatic products and matched treatment fluid thereof

The invention relates to the technical field of slurry-free aquatic product treatment, in particular to a two-stage slurry-free treatment method for aquatic products, which comprises the following steps: (1) pretreatment: unfreezing, cleaning and cutting aquatic product raw materials; (2) primary treatment: mixing the cut raw materials with a first treatment solution, and rolling or soaking for 0.5-20 hours at 0-6 DEG C. According to the invention, the water-retaining agent and seasoning ingredients can be fully and uniformly permeated into the raw materials at low temperature through the first treatment stage, so that the water-retaining agent and the seasoning ingredients can be fully and uniformly permeated into the raw materials at low temperature, and the water-retaining agent and the seasoning ingredients can be fully and uniformly permeated into the raw materials; in cooperation with the second treatment stage, internal moisture and flavor substances can be effectively locked, and the two treatment stages are mutually independent and sequentially linked in the process, so that multiple functions such as water retention, brittleness increasing and forming can be realized in steps, and the pulp-free product is uniform in internal and external texture, full in tasty and improved in taste.
Owner:XIAMEN MINDEYOU FOOD TECH CO LTD

Composting device for agricultural planting

The utility model discloses an agricultural planting composting device, and relates to the technical field of composting devices. Comprising a bearing table, the top end of the bearing table is slidably connected with a composting box, a supporting piece is fixed to the top end of the bearing table, a discharging piece is fixed to the top end of the supporting piece and located above the composting box, a rotating shaft is rotationally connected between the inner walls of the two sides of the discharging piece, and a plurality of stirring rods are fixed to the outer wall of the rotating shaft; one side of the rotating shaft penetrates through the blanking piece and then a worm wheel is fixed on the outer wall. The motor is started and drives the lead screw to rotate, the lead screw rotates to drive the sliding block to move, and the sliding block moves to drive the composting box to move left and right, so that the stirring rod in the discharging piece can stir different positions of the composting box, and the situation that materials in some areas are not subjected to sufficient air exchange and humidity adjustment is avoided; in addition, the screw rod rotates to drive the worm to rotate, the worm rotates to drive the worm gear to rotate, the worm gear rotates to drive the rotating shaft to rotate, and the rotating shaft rotates to drive the multiple stirring rods to rotate.
Owner:BINZHOU QIREN PROJECT MANAGEMENT CO LTD

Textile dye as well as preparation method and dyeing method thereof

The invention provides a textile dye as well as a preparation method and a dyeing method thereof, the preparation method of the textile dye comprises the following specific steps: S1, carrying out superfine grinding on a natural extract until the particle size is 2-10 microns to obtain extract powder; s2, uniformly mixing the extract powder with modified glucan, metal salt grafted cellulose whiskers and polylactic acid microspheres to obtain a material; s3, adding the materials into water, stirring, curing, drying and crushing to obtain the dye. The natural extract powder, the modified glucan, the metal salt grafted cellulose whiskers and the polylactic acid microspheres are compounded, the dye is green, environmentally friendly and safe, the obtained dye is high in stability, has the effects of being high in dye uptake and uniform in dyeing and is high in affinity to textiles, and the obtained dyed textiles are good in color fastness, high in light stability, not prone to fading and good in color fastness. And the method has important popularization and application values.
Owner:HUNAN JUNBANG TEXTILE TECH CO LTD

Pore-forming agent for lithium ion battery and preparation method and application thereof

ActiveCN122000357BShorten solid state diffusion distanceHas degradable propertiesElectrolytic agentElectrical battery
The application provides a pore-forming agent for lithium ion batteries and a preparation method thereof, which comprises a wall material preparation step, a core material preparation step, a W / O type initial milk preparation step and a pore-forming agent for lithium ion batteries preparation step. The pore-forming agent preparation method is a new pore-forming agent synthesis route, which has the advantages of simple reaction steps, mild reaction conditions, high yield, low cost and environmental protection. The technology can accurately construct a uniform multi-level pore network by introducing the pore-forming agent into the electrode, significantly reduces the charge transmission impedance, effectively improves the fast charging capacity and high-rate discharge performance of the battery, greatly improves the electrode-electrolyte interface contact, and ensures the full use of the active material. The application also provides an application of the pore-forming agent for lithium ion batteries to lithium ion batteries. The application of the pore-forming agent for lithium ion batteries to the lithium ion batteries can improve ion conduction and improve the rate performance.
Owner:SHENZHEN YULIAN NEW MATERIAL TECH CO LTD

Composite asphalt regenerant, preparation method, use method and application thereof

The present application relates to the technical field of road engineering pavement materials, in particular to a composite asphalt regenerant, a preparation method, a use method and an application thereof.The regenerant comprises, by mass percentage, 30-70% of aromatic component oil, 15-50% of hydrogenated base oil, 5-10% of a curing accelerator, 3-10% of a low-temperature stabilizer, 0.5-3.0% of an antioxidant, 0.5-5.0% of a diluent and 1-5% of an ammonium ion stabilizer.The present application significantly reduces the viscosity of the regenerant through multi-component synergy, realizes normal-temperature construction in all seasons, effectively restores the penetration and softening point of aged asphalt, delays secondary aging through the synergy of the antioxidant and the ammonium ion stabilizer, and simultaneously enhances the low-temperature crack resistance and initial strength of the recycled mixture, and is suitable for plant-mixed hot recycling, in-place hot recycling and cold recycling processes.
Owner:ZIBO RUISHU PETROCHEMICAL CO LTD

A highly efficient extraction and purification device for natural fragrances

ActiveCN224619899USolve uneven heatingUniform penetration
This utility model discloses a highly efficient extraction and purification device for natural fragrances, relating to the field of fragrance extraction. The device includes a distillation kettle, a separating device, and a driving device. The distillation kettle has an inner cavity with a partition dividing it into a material chamber and a heating chamber, with the heating chamber located below the material chamber. The separating device includes multiple separating plates stacked on top of the partition in a stepped arrangement. The driving device drives all the separating plates upwards, with the upper plates moving a greater distance than the lower plates, thus spacing the plates apart and lifting the material to different heights. This utility model aims to solve the problem of uneven heating caused by material accumulation in traditional devices.
Owner:SHENZHEN HUAJIA BIOLOGICAL TECH

Seaweed field sediment eDNA sampling method based on in-situ fixation

The invention provides a seaweed field sediment eDNA sampling method based on in-situ immobilization, and belongs to the technical field of seaweed field sediment detection.The method includes the steps that insertion parameters are adaptively adjusted by applying a vibration strategy optimization model in the seaweed field sediment sampling process, winding and grounding states are judged by inserting a state recognition model, and therefore the sampling accuracy of seaweed field sediment eDNA is improved; sampling compression is eliminated through a sediment compression self-adaptive compensation algorithm, and an optimal injection pressure curve is calculated through a multiphase flow fixing agent diffusion optimization algorithm to drive a fixing agent to uniformly cover an effective area within preset diffusion time to complete in-situ fixation. The technical problem that the DNA degradation rate is high due to the fact that a fixing agent cannot uniformly permeate in situ in the seaweed field sediment eDNA sampling process is solved.
Owner:DONGHAI STANDARD MEASUREMENT CENT OF THE STATE OCEANIC ADMINISTRATION (SHANGHAI BRANCH OF THE NAT OCEANIC MEASUREMENT STATION)

Recycled degradable environment-friendly ink-absorbing needle-punched nonwoven fabric

This utility model provides a recyclable, biodegradable, and environmentally friendly ink-absorbing needle-punched nonwoven fabric, relating to the field of nonwoven fabric technology. It includes: a nonwoven fabric body; the nonwoven fabric body has a three-layer composite structure, with an upper dense surface layer and a lower dense surface layer, and a middle loose support skeleton. Both the upper and lower dense surface layers are composed of fibers with a diameter of 2 micrometers. A nanofiber cellulose film with a thickness of 8 micrometers is laminated to the surface of the nonwoven fabric body. The nonwoven fabric body has a three-layer composite structure, with upper and lower polylactic acid dense layers (2 micrometers in diameter, each accounting for 20% of the total thickness) controlling ink diffusion and improving strength, and a middle loose support skeleton (6 micrometers in diameter, accounting for 60%, with a porosity of 75%) storing and penetrating ink. The three-dimensional structure is formed by needle punching at 200 needles / cm². The film contains 3% titanium dioxide for UV resistance. Both polylactic acid and nanofiber cellulose are biodegradable materials, suitable for printing, medical, and packaging fields, balancing environmental friendliness, printing performance, and functionality.
Owner:GUANGDONG ZHICHENG NONWOVEN TECHNOLOGY CO LTD

Flame-retardant and shrinkage-resistant PBAT / bamboo powder supercritical foaming material and preparation method thereof

ActiveCN121108696BImprove shrinkage resistanceImprove flame retardant performance
The present application relates to a kind of flame-retardant anti-shrinkage PBAT / bamboo powder supercritical foaming material and its preparation method, belong to degradable foaming material technical field.To solve the problem that PBAT system introduces bamboo powder and flame retardant causes foaming material cell structure uneven, density uneven, mechanical property drops, the present application provides a kind of flame-retardant anti-shrinkage PBAT / bamboo powder supercritical foaming material, component includes PBAT, bamboo powder and flame retardant, melt extrusion granulation after being placed in airtight container, fills in supercritical gas and is foamed to be prepared.The present application improves the anti-shrinkage and flame-retardant performance of PBAT foaming material by the addition of bamboo powder and flame retardant;By optimizing the injection amount of supercritical gas, foaming temperature and pressure, reduce foaming instability, effectively offset the adverse effects of bamboo powder and flame retardant on cell growth, obtain uniform cell structure and density, further improve the mechanical property of material.
Owner:NORTHEAST FORESTRY UNIV

Tea drying device with screening function

The tea drying device with the screening function comprises an obliquely-installed box body, an internal drying pipe is fixedly connected to the interior of the box body, the air inlet end of the internal drying pipe is fixedly connected with a first warm air blower, the internal drying pipe and one end of the box body are rotationally connected with a drying filter cylinder, and the other end of the box body is fixedly connected with a second warm air blower. A plurality of grading filter plates are fixedly connected to the interior of the drying filter cylinder, a plurality of back-flushing pipes are arranged above the internal drying pipe, a plurality of back-flushing shovel plates are slidably connected to the lower portion of the internal drying pipe, a rotary driving assembly is fixedly connected to the interior of the box body, and the rotary driving assembly comprises a driving gear ring, a synchronizing shaft, a driving gear and a rotating motor; under the synergistic effect of the internal drying pipe and the air holes of the back-flushing shovel plate, hot air flow is vertically sprayed out from the air holes of the shovel plate while the tea leaves are mechanically turned and stirred, so that penetrability drying is formed; the backflushing pipe reversely jets airflow to clean the grading filter plate, sieve pores are kept unobstructed, it is ensured that hot air evenly penetrates through the tea leaf layer, and local over-wet or over-dry is reduced.
Owner:HANGZHOU ZHIJIANG TEA CO LTD

Full-automatic soil permeability coefficient measuring device and method

The invention relates to a full-automatic soil permeability coefficient measuring device and a measuring method thereof. Comprising a test chamber, a double-ring knife, a flowmeter, a single-chip microcomputer, a water pump, a raindrop sensor, a steering engine, a water tank and a display device. The testing chamber is provided with a double-ring knife structure and is used for placing a soil sample and forming a standardized permeation path. The flow is connected with the water pump, water flow is monitored in real time, and data are automatically collected through the single-chip microcomputer. The single-chip microcomputer controls start and stop of the water pump, data collection of the flow meter and action of the steering engine, and meanwhile wireless transmission of data is achieved through the Wi-Fi module. The raindrop sensor detects the time of the first drop. After the raindrop sensor detects water drops, the steering engine moves away, and interference is avoided. The water tank provides continuous water. And the display device displays the test data and the calculation result in real time. The single-chip microcomputer automatically calculates the soil permeability coefficient according to the monitoring data. The device realizes automatic determination of the soil permeability coefficient, remarkably improves the determination efficiency and accuracy, and is suitable for the fields of scientific research, agriculture, environmental protection and the like.
Owner:GANSU AGRI UNIV

Preparation method of transparent flame-retardant wood fiber composite material

The invention belongs to the technical field of material compounding, and particularly discloses a preparation method of a transparent flame-retardant wood fiber composite material, which comprises the following steps: preparing a buffer solution; putting the wood sample into a buffer solution, heating in an oil bath pan, and simultaneously carrying out magnetic stirring; repeatedly cleaning with deionized water, and soaking in an acetone solution for storage; adding the flame retardant into the polyurea mixture, and ultrasonically stirring to obtain a well dispersed mixed solution; wood is soaked in the mixed solution and put into a drying oven, and vacuum air exhaust is carried out; clamping a sample between two glass slides, wrapping the sample with an aluminum foil, and curing the sample at normal temperature and normal pressure; and carefully stripping the synthesized composite material from the glass slide. According to the preparation method of the transparent flame-retardant wood fiber composite material, cork wood is used as a base material, and the composite material is prepared through a series of fine chemical treatment and material compounding technologies, so that the material has excellent optical performance and high flame-retardant performance.
Owner:UNIV OF SCI & TECH OF CHINA