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35results about How to "Realize the use effect" patented technology

A support system for integrated connection of sloping roof and courtyard and a residential photovoltaic power station

This utility model discloses a support system for an integrated sloping roof and courtyard, and a residential photovoltaic power station. The system includes a roof support and a courtyard support. The roof support comprises several horizontally spaced inclined beams on a first sloping roof, several horizontally spaced back braces on a second sloping roof, and short column support assemblies installed on both the first and second sloping roofs to support the inclined beams and back braces. The back braces are correspondingly positioned to the inclined beams, with their upward-sloping ends connected to the beams. The inclined beams extend downwards along the first sloping roof to above the courtyard. The courtyard support includes columns installed within the courtyard, with their upper ends connected to the inclined beams. A reinforcement structure is provided between the columns and the inclined beams, and / or between the columns themselves. The roof support and courtyard support can be designed as a single unit, forming a unified slope above the first sloping roof and courtyard for installing photovoltaic modules, increasing the number of photovoltaic modules installed and expanding the power generation area.
Owner:CHINT ANNENG DIGITAL POWER (ZHEJIANG) CO LTD

A Smart Asset Allocation Management Method Based on Digital Twins

ActiveCN121458005BOvercoming management imbalancesimprove scienceData processing applicationsSpatial managementResource assignment
This invention discloses an intelligent asset allocation management method based on digital twins, relating to the field of allocation management technology. The method includes: defining vertical candidate areas based on the centerline of the integrated utility tunnel; defining vertical closed zones based on the vertical candidate areas and load-bearing structures above the integrated utility tunnel; generating a set of utility tunnel management sub-zones based on the starting and ending mileages of the vertical closed zones; calculating the total longitudinal substitution burden coefficient based on the set of utility tunnel management sub-zones; calculating spatial management weights based on the total longitudinal substitution burden coefficients; and calculating resource allocation based on the spatial management weights and the total resource volume of the integrated utility tunnel. This invention improves resource utilization efficiency.
Owner:MINJIANG UNIVERSITY

A whole membrane system for purifying and concentrating phosphoric acid waste liquor

ActiveCN224362607URealize the use effectclean thoroughly
The utility model discloses a kind of phosphoric acid waste liquid purification concentration whole membrane systems, including sequentially arranged ultrafiltration system (1000), nanofiltration system (2000) and membrane distillation system (3000);The membrane distillation system (3000) includes the membrane distillation raw water tank (3100) being communicated with the nanofiltration water tank (2600) effluent of nanofiltration system (2000), the first heat exchanger (3200) being communicated with membrane distillation raw water tank (3100) effluent, the second heat exchanger (3300) being communicated with first heat exchanger (3200) effluent, the membrane distillation tank (3400) being communicated with second heat exchanger (3300) effluent, the condenser (3500) being communicated with first heat exchanger (3200) steam outlet, the cold water tower (3600) being circularly communicated with condenser (3500).The utility model can achieve the technical effect that freely add or reduce membrane component quantity reaches different concentration required.
Owner:安徽科博瑞环境科技有限公司 +1

Adjustable ray rack for boiler heating surface tube bundle

The utility model relates to the technical field of ray racks, in particular to an adjustable ray rack for a boiler heating surface tube bundle, which comprises a supporting frame, a supporting cylinder, a sliding column, an arc-shaped rod, a connecting frame, a cross beam, a supporting column, a groove, a ratchet toothed plate, a locking rod, a locking elbow, an adjusting groove, a locking ring and a locking spring. A plurality of sets of supporting cylinders are fixedly arranged on the two sides of the periphery of the supporting frame, a plurality of sets of sliding columns are fixedly arranged on the two sides of the periphery of the supporting frame, ratchet tooth plates are fixedly arranged in the grooves, locking rods are arranged in the cross beams, locking elbows are fixedly arranged at the front ends of the locking rods, and adjusting grooves are formed in the cross beams. The side wall of the locking rod is fixedly provided with a locking ring, the inner wall of the locking ring is fixedly provided with a locking spring, and in the using process of the adjustable ray rack for the boiler heating surface tube bundle, through precise component design and synergistic effect, height adjustment and stable use of the ray rack are achieved.
Owner:SHAANXI BINCHANG WENJIAPO POWER GENERATION CO LTD

Aggregate crushing and mixing integrated device

ActiveCN224408008Uavoid filter effectsavoid situationsRotational axisClassical mechanics
The utility model discloses an aggregate crushing and mixing integrated equipment relates to aggregate processing technical field, including support, the outer top surface fixed of support has the mixing box, the outer top surface fixed and the through connection of mixing box has the crushing box, the inside of support is provided with screening subassembly, the inside symmetrical rotation of crushing box installs and has rotary axle no.
Owner:HUBEI HEYI NEW MATERIALS TECHNOLOGY CO LTD

A steel structure staircase floor with washed stone structure

This application proposes a washed stone structure for steel structure staircase floors, comprising a steel structure staircase and a washed stone composite layer. The steel structure staircase includes risers and treads, both of which are covered with the washed stone composite layer. The washed stone composite layer, from bottom to top, consists of an anti-rust paint layer, a cement-based interface agent layer, a washed stone layer, and a washed stone topcoat layer. This application constructs a synergistic protection system adapted to both the steel structure substrate and the cement-based decorative surface layer through layered design and functional optimization of the washed stone composite layer. By setting the anti-rust paint layer, cement-based interface agent layer, washed stone layer, and washed stone topcoat layer, this application isolates air and moisture from reacting with the steel structure, while also preventing interface separation caused by stress concentration, avoiding hollow areas and delamination, ensuring the flatness and safety of the staircase floor, and achieving the effect of "rust-free, hollow-free, non-detaching, pollution-resistant, and long-lasting" for the steel structure staircase washed stone floor.
Owner:GUANGDONG NO 1 CONSTRUCTION ENGINEERING CO LTD

Rotary joint connecting and reinforcing mechanism for display bracket

The utility model provides a rotary joint connecting and reinforcing mechanism for a display support, which relates to the technical field of display mounting supports and comprises a mounting frame, a rotary bearing is fixedly inlaid on the upper surface of the mounting frame, a rotary shaft is connected to the inner ring of the rotary bearing, and the display support is connected to the top end of the rotary shaft. A reinforcing assembly is connected to the outer surface of the rotating shaft and comprises a reinforcing disc. Through the arrangement of the reinforcing assembly, the reinforcing disc, the connecting block, the reinforcing screw hole, the reinforcing bolt, the fastening nut, the connecting hole and the damping rubber mat, bolt fastening and tightening can be conducted on the reinforcing disc and the mounting frame through threaded fit of the reinforcing bolt and the reinforcing screw hole, the connecting strength of the rotating shaft and the mounting frame is effectively improved, looseness of the connecting portion is avoided, and the service life of the rotating shaft is prolonged. Vibration and impact force generated in the rotating process can be absorbed and dispersed through cooperation of the damping rubber mat, damage to the displayer support is reduced, and effective and stable use of the displayer support is facilitated.
Owner:NANJING HELLER INTELLIGENT MFG TECH CO LTD

Dough sheet stirring assembly and extrusion module

The application discloses a dough stirring assembly and an extrusion dough module, and belongs to the technical field of household appliances. The dough stirring assembly comprises a stirring rod, and the stirring rod comprises a rod body. The rod body is vertically arranged in a working state. Driving connection parts and following connection parts are arranged at two ends of the rod body, respectively. In the working state, a pre-stirring arm, an auxiliary stirring arm and a main stirring arm are sequentially arranged on the rod body from top to bottom. The planar projection relationship of the pre-stirring arm, the auxiliary stirring arm and the main stirring arm is as follows: the auxiliary stirring arm and the main stirring arm have projection areas with the same extension direction and at least partially overlapped; the pre-stirring arm and the auxiliary stirring arm have projection areas with opposite extension directions; and the pre-stirring arm and the main stirring arm have projection areas with opposite extension directions. The dough stirring assembly can obtain more tough dough.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD +1

A method, medium, device and product for dynamic geological modeling of a drill-and-blast tunnel

PendingCN122510470ARealize intelligent distributionRealize the use effect
The application discloses a drill-and-blast tunnel dynamic geological modeling method, medium, equipment and product, relates to the technical field of tunnel geological modeling, and comprises the following steps: according to the tunnel length and the hole diameter range of different construction periods, a tunnel three-dimensional geological model with different precision and resolution is constructed, the tunnel three-dimensional geological model is constructed in the following process: based on geological exploration data and drilling data, a stratum interface three-dimensional model is constructed; based on drilling core data, advanced drilling lithology information and geophysical prospecting data, lithology information is coupled to the stratum interface three-dimensional model to form a lithology three-dimensional distribution; the physical and mechanical parameters of rock-soil bodies are associated with the lithology three-dimensional distribution to realize three-dimensional assignment of the physical and mechanical parameters and form an attribute parameter field model; and the tunnel three-dimensional geological model is dynamically incrementally updated along with construction progress. The application adopts hierarchical models, takes into account the high-precision requirement of a current construction section and the efficiency requirement of a long-term planning section, incrementally updates the models, and improves the working efficiency of the whole modeling process.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

A material lifting machine bottom cleaning system

ActiveCN224603861Uachieve cleanupAchieve lossless recycling
The utility model discloses a material lifting machine bottom material cleaning system, the utility model is provided with the steering drive shaft in the lifting machine body, realizes the feeding hopper steering drive through the steering drive shaft, is provided with the conveyer belt below the feeding hopper. The external discharge port is arranged outside the lifting machine body in cooperation with the conveyer belt, and the material is conveyed to the outside through the external discharge port, and the material cleaning can be automatically realized, the utility model is further provided with the steering section in the end of the lifting machine body, and the steering section is raised to the upper portion of the feeding hopper, and the steering section tail end is provided with the feeding port and supplies the material again, realizes the lossless recovery of the material. The utility model solves the drawback that the conveying material cannot be cleaned in the prior art, can realize external cleaning and cyclic secondary use, overcomes the drawbacks in the prior art, and is an ideal material lifting machine bottom material cleaning system.
Owner:HENGSHUI CHANGHONG MINING MACHINERY CO LTD

Air-cooled and water-cooled integrated system condensing device

The utility model discloses air -cooled water -cooled integrated system condensing device relates to radiator technical field, and the utility model discloses including loading board, the upper portion of loading board is equipped with condensing mechanism, is used for the quick cooling of equipment, and condensing mechanism includes: refrigeration subassembly includes the circulating pump fixed mounting in loading board top one side, and the bottom one side mounting of loading board has cold water row, and cold water drain pipe output and input all with the cooling water output and input of circulating pump interconnect, the circulation of cooling liquid between cold water row and radiating fin is driven through circulating pump, directly absorbs equipment heat, and through the cooperation of semiconductor refrigeration piece and centrifugal fan, and semiconductor refrigeration piece is actively refrigerated to its lower part air, and centrifugal fan then will produce cold air forcedly and blow to radiating fin, can high -efficiently and quickly cool the cooling liquid, has improved the heat dissipation efficiency and cooling speed of whole equipment significantly, has guaranteed the stability of high -power equipment operation.
Owner:SHENZHEN HUAJING TEMPERATURE CONTROL TECH CO LTD

Vehicle-mounted conference platform of emergency rescue command vehicle

ActiveCN224739247Uachieve firm supportfixed tightly
The utility model discloses a kind of vehicle-mounted conference platforms of emergency rescue command vehicle, including first wallboard, second wallboard and the sliding groove that is clamped together, one side of moving plate is provided with pulley, and is moved in sliding groove by pulley drive, the other side of moving plate is hinged with conference platform, conference platform bottom is equipped with foldable iron wire supporting leg and buckle structure, buckle structure includes the buckle block of first clamping groove and second clamping groove with avoidance groove, when conference platform is horizontally unfolded, iron wire supporting leg is clamped into first clamping groove and realizes support;When conference platform is vertically stored, iron wire supporting leg is pressed into second clamping groove and realizes fixed.The utility model is through the linkage design of sliding and folding, realized the quick unfolding, stable support and compact storage of conference platform, effectively solved the contradiction between the narrow space in command vehicle and operating platform demand, integration is high, practicality is strong, improved the stability of conference platform.
Owner:FUJIAN YUANTONG TECH CO LTD

A cordless drill with a protective structure

This utility model relates to the field of rechargeable drills with protective structures, and discloses a rechargeable drill with a protective structure, including a charging box, a drill body disposed on the upper side of the charging box, and a drill bit fixedly connected to one side of the drill body. A support and positioning mechanism is disposed on the outer side of the drill bit, and a protective mechanism is disposed on the upper side of the drill body. The support and positioning mechanism includes a slide cylinder, which is fixedly connected to one side of the drill body. A sliding plate is slidably connected inside the slide cylinder. A support rod is fixedly connected to the side of the sliding plate away from the drill body. The support rod is slidably connected inside the slide cylinder. A spring is fixedly connected between the side of the sliding plate away from the support rod and the inner wall of the slide cylinder. The protective mechanism is used to absorb and separate the debris that may be generated when the drill bit is working, achieving the effects of protection, debris separation, and long-lasting use. The support and positioning mechanism is used to provide planar positioning and scale coordinates for users when drilling, increasing practicality.
Owner:力玛智能科技(江苏)有限公司

A high-efficiency dust suppression and explosion prevention water cyclone dust removal system based on cyclone enhancement

ActiveCN224613470UAvoid reduced dust removal effectImprove dust removal efficiency
This utility model discloses a high-efficiency dust suppression and explosion-proof water cyclone dust removal system based on cyclone enhancement, including a dust collection box. The top surface of the dust collection box is equipped with a purified air outlet and a working indicator light. An explosion-proof motor is fixedly installed inside the purified air outlet. The output end of the explosion-proof motor is connected to a fan located at the top of the dust collection box cavity. This dust removal system adopts a three-stage dust removal structure, covering the full range of capture of large particles and fine dust. The dust removal efficiency is significantly better than traditional single dust removal methods. The water cyclone size adjustment component can flexibly adapt to different dust concentration conditions, avoiding the decrease in dust removal effect due to dust concentration fluctuations. It has excellent explosion-proof safety performance. All core components of the system adopt explosion-proof design. Combined with the "wet environment" formed by water curtain and water circulation, it can effectively suppress the risk of dust explosion and meet the safety requirements of flammable and explosive dust generated in the polishing, grinding, deburring, and shot blasting of aluminum, magnesium, titanium, zinc, copper, iron, and stainless steel.
Owner:WENZHOU KAISHENG ENVIRONMENTAL PROTECTION TECH CO LTD

A wall lamp

The utility model provides a wall lamp, include: fixed base is board shape and can be fixed on wall body, lamp stand is detachably installed on fixed base through buckle assembly, be equipped with rechargeable battery in lamp stand, the head of lamp stand is rotatably installed with the hinged base, the rotary axis of hinged base is parallel to horizontal surface and the width direction of fixed base, the end of hinged base is equipped with the convex and forms the plug -in part, the axis of plug -in part is perpendicular to the rotary axis of hinged base, the end of plug -in part is equipped with female plug, the lamp cap is strip shape, be equipped with light source in the lamp cap and the bottom surface of lamp cap as light -emitting surface, the side wall center of lamp cap is equipped with the socket that can contain the plug -in part insertion and realizes fixed, be equipped with male plug in the socket and realize the electric connection of insertion female plug. The utility model discloses wall lamp, compact structure, appearance is beautiful, can realize wall -hanging type installation and handheld use, and the use flexibility is high, and experience is good.
Owner:NINGBO TIANQI INTELLIGENT TECH CO LTD

A cooling liquid circulating device for crankshaft grinding

ActiveCN224601352Uachieve recyclingRealize the use effect
The utility model is suitable for crankshaft machining assembly technical field provides a kind of cooling liquid circulating device of crankshaft grinding, including storage, filter plate is provided in storage, rack is fixedly installed at filter plate bottom, two interval settings vertical rods are fixedly installed at filter plate top, top plate is equipped on filter plate, vertical rod upper end penetrates top plate, spring is all set in vertical rod upper end, limit mechanism is equipped on the both sides of storage, limit mechanism is positioned to top plate, after use, cooling liquid falls on filter plate, is filtered and is returned to storage by filter plate, filtered cooling liquid is pumped to grinding again by suction pump and is used twice, to realize the recovery and recycling of cooling liquid. By making filter plate shake up and down, the filter plate is not easy to be blocked. The filter plate does not shake up and down can produce dynamic vibration and displacement, can effectively destroy the adsorption force phenomenon between solid particles on the filter plate and filter hole, and shake off the impurities blocked in the filter hole.
Owner:DANJIANGKOU DONGFA CRANKSHAFT

A tunnel shotcrete rebound recovery device

This invention discloses a tunnel shotcrete rebound recovery device, which includes a transport vehicle equipped with a collection device for collecting rebounded concrete, a mixing device for thoroughly mixing the collected concrete, and a compensation device for compensating the mixed concrete with slurry. The collection device includes a collection funnel with two aggregate plates inclined to both sides, and a storage bin at the bottom of the collection funnel. The mixing device includes a mixing drum driven by a drive motor, with an inlet and an outlet at both ends of the mixing drum. A conveying mechanism is provided between the storage bin and the inlet to transport a fixed amount of concrete from the storage bin to the mixing drum. A discharge funnel is located below the outlet, and a pump is located below the discharge funnel, with a conveying pipe at the outlet end of the pump. This solution enables automated recovery and utilization of rebounded concrete, avoiding resource waste.
Owner:CCCC INFRASTRUCTURE MAINTENANCE GRP ENG CO LTD

A mental health state prediction method and system based on correlation analysis

ActiveCN115938600BEnable trusted computingRealize the use effectMedical data miningHealth-index calculationData setState prediction
The application belongs to the field of mental health assessment, and provides a mental health state prediction method and system based on association analysis, which comprises the following steps: performing privacy calculation based on federated learning to obtain mental assessment original data; preprocessing the mental assessment original data to obtain preprocessed mental assessment data; creating a two-dimensional storage matrix based on the preprocessed mental assessment data, and grouping the two-dimensional storage matrix to obtain a data set; performing association analysis based on the data set to construct a frequent tree, and obtaining a strong association rule table meeting a minimum support degree; selecting a characteristic dimension with strong correlation with other factors according to the strong association rule table to construct a mental characteristic, and using a trained mental health state prediction model to predict the mental health state. By changing the data set storage mode and scanning mode, the strong association rule can be obtained by scanning the data set only once, thereby saving the database storage space and improving the association rule algorithm mining efficiency.
Owner:UNIV OF JINAN

Underground space carbon dioxide and radon gas combined adsorption and desorption system and control method

The invention provides an underground space carbon dioxide and radon gas combined adsorption and desorption system and a control method. The system comprises a combined adsorption module, the combined adsorption module comprises an adsorption cavity provided with an inlet valve and an outlet valve, and a radon gas adsorption layer and a carbon dioxide adsorption layer are arranged in the adsorption cavity in the airflow direction; the desorption regeneration module is connected with the adsorption cavity and is used for performing regeneration treatment on the saturated radon gas adsorption layer and the carbon dioxide adsorption layer; the concentration monitoring and control module comprises a gas sensor group and a main control unit, and the gas sensor group is used for monitoring the carbon dioxide concentration and the radon gas concentration in the underground space and at the inlet and the outlet of the adsorption cavity; according to the invention, synchronous high-efficiency adsorption and low-energy-consumption desorption regeneration of carbon dioxide and radon gas can be realized, the occupied space is reduced, and the operation and maintenance cost is reduced.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

A method for recycling high-salt dyeing and printing wastewater

PendingCN122079425AHigh salt resistanceOvercome hydration capacityWater/sewage treatment by irradiationWater contaminantsActivated carbonReclaimed water
This invention discloses a method for recycling high-salt dyeing and finishing wastewater, belonging to the field of dyeing wastewater treatment technology. Addressing the problems of traditional coagulants' easy failure in high-salt environments, difficulty in solid-liquid separation, and inability to regenerate and recycle, this invention uses a magnetic composite coagulant for coagulation and sedimentation. Rapid solid-liquid separation is achieved through an external magnetic field, and the separated magnetic composite coagulant is recycled after alternating water washing and desorption. The wastewater is subsequently treated by oxidation, evaporation and crystallization to recover salts, and activated carbon adsorption for deep treatment before being reused in production. The magnetic composite coagulant has a core-shell structure and a temperature-sensitive polymer graft layer, possessing high salt resistance, magnetic response, and temperature-sensitive desorption characteristics. This invention achieves efficient flocculation, rapid magnetic separation, and intelligent desorption and regeneration in high-salt environments, significantly reducing reagent consumption and operating costs. The effluent quality meets the requirements of the "Water Quality Standard for Reclaimed Water in Textile Dyeing and Finishing Industry".
Owner:XINJIANG JIYUN DYEING & WEAVING TECHNOLOGY CO LTD

A cooling device for glass after drawing

The utility model belongs to glass processing technical field especially is a kind of cooling device after glass wire drawing, including base, driving part and cooling drying part, the base is fixedly connected with driving part, the driving part is fixedly connected with cooling drying part arrangement, the cooling drying part is rotatably connected on base, the cooling drying part is by cooling bin and drying bin splicing composition.The utility model designs the cooling device after glass wire drawing, through the design of cooling drying part, can realize the cooling and drying use to glass silk, avoid after water cooling to glass silk, the surface of glass silk is attached dewdrop, and through the drive of driving part to cooling drying part, can be in the synchronous drive of use cooling and drying, reduce driving energy consumption, cooling water in cooling bin interior can be recycled, reduce water resource consumption in cooling process, satisfy environmental protection use demand.
Owner:YANGZHOU DAILIXING GLASS TECHNOLOGY CO LTD

A nine-square grid input method practice software

PendingCN122454793AProficient in layoutProficient in logicKey pressingSoftware engineering
This design belongs to the technical field of input method practice software, specifically involving a nine-key input method practice software that is compatible with various nine-key input methods, supports key-specific practice, and provides real-time feedback on correct and incorrect input.
Owner:牛苜沣

A lightning protection device detection tool

The utility model discloses a thunder and lightning protection device detection instrument, including left caliper and placing frame, one end of left caliper is provided with placing frame, the other end of left caliper is provided with first locking pin, and first locking pin is with left caliper screw connection, the surface of left caliper of first locking pin one side is provided with closed sliding slot, the outside of left caliper is provided with right caliper, the one end of right caliper is provided with movable shaft close to left caliper, and right caliper is through movable shaft and left caliper swing joint, and movable shaft and closed sliding slot sliding connection, first locking pin and open sliding slot sliding connection, the lateral wall of right caliper is provided with telescopic frame. The utility model not only realized linkage and folded storage use, made things convenient for the detection of thunder and lightning protection device from different distance, reduced the occupation of space and the convenience of carrying, and improved the security of use.
Owner:CIVIL AVIATON ZHONGNAN ATC EQUIP ENG CO

A portable thermal imaging precision target reporting system and calibration method

ActiveCN117824433Beasy to useRealize automatic calibrationTarget detectorsEngineeringIntegrated design
The application discloses a kind of portable thermal imaging precision target reporting system and calibration method, it is related to military, police firearms live ammunition shooting training equipment technical field.The portable thermal imaging precision target reporting system and calibration method, including background master control through wireless network receiving the bullet point information sent by front end collector, the visual display of bullet point is carried out on master control interface, the front end collector is used to collect the thermal imaging image of target point, the bullet receiving component is used as the target point equipment of live ammunition practice.In the application, target reporting collector adopts integrated design, and is easy to use;Calibration uses two modes of factory calibration and on-site calibration, uses the spot position and distance of laser to carry out rough calibration, uses thermal imager and industrial camera to carry out joint accurate calibration, without sticking hot spot and calibrating thermal imager, realize the automatic calibration of target reporting equipment, accurate display of bullet point data and use portability.
Owner:南京润景丰创信息科技有限公司

Target plane data transmission methods, terminals and network-side equipment

ActiveCN116633941BImplement data collectionRealize the use effectTransmissionNetwork data management
This application discloses a target plane data transmission method, terminal, and network-side device, belonging to the field of wireless communication technology. The target plane data transmission method of this application includes: using a first sublayer to transmit target plane information between the terminal and the target plane network function instance over the air interface, wherein the target plane is a protocol function plane used to support at least one of data collection, data distribution, data security, data privacy, data analysis, and data preprocessing.
Owner:VIVO MOBILE COMM CO LTD

Method for improving temperature resistance and surface hydrophobicity of bamboo wood

The invention relates to the technical field of bamboo processing and food packaging, and particularly discloses a scheme for improving bamboo temperature tolerance and surface hydrophobicity, the scheme comprises the following steps: pretreatment: carrying out ultrasonic-assisted hydrothermal treatment on raw materials; the surface of the bamboo wood is coated with the coating, the coating comprises cellulose nanofibers (CNF), food-grade high-hardness resin and food-grade silicon dioxide, and the bamboo wood which can resist the high temperature of 200 DEG C and can be repeatedly used for food contact can be prepared after curing. According to the method, thermo-sensitive substances in bamboo wood are effectively removed through multiple times of mild ultrasonic pretreatment, soluble sugar with high hygroscopicity on the surfaces of the bamboo chips is removed, and the heat resistance of the bamboo chips is improved on the premise that the mechanical property is not damaged; the biomass-based temperature-resistant coating is adopted, the adhesive force of the coating is high, a layer of compact physical barrier is formed on the surface of the bamboo wood through food-grade high-hardness resin, and water permeation is prevented. CNF is used as a nano reinforced phase, and the strength, toughness and adhesive force to bamboo wood of the coating are improved through a three-dimensional network structure. In addition, food-grade silicon dioxide is dispersed in the coating to form a microscopic coarse structure to block air and further enhance the hydrophobic effect, so that the product has hydrophobicity on the premise of improving the temperature resistance, is safe and non-toxic, and meets the safety standard of food contact materials. The obtained bamboo wood is suitable for application scenes such as food processing utensils, catering kitchenware, cooking and the like.
Owner:GUANGDONG SONGHENG TECH CO LTD +1

Multifunctional tool

The utility model discloses a multifunctional tool, which belongs to the technical field of tools and comprises a hammer head and a hammer handle detachably connected with the hammer head, an inner hexagonal sleeve is mounted at the tail end of the hammer handle, and a locking screw for fixing the inner hexagonal sleeve is screwed on the outer wall of the tail end of the hammer handle. A locking screw hole matched with the locking screw is formed in the inner hexagonal sleeve; and a pre-positioning structure is also arranged between the inner hexagonal sleeve and the hammer handle. The multifunctional hammer is simple in structure and reasonable in design, the functions of the hammer and the wrench can be used, the hammer head and the inner hexagonal sleeve can be conveniently detached, and therefore the inner hexagonal sleeve with the suitable specification can be conveniently replaced according to the field environment, and the using effect that one tool has multiple functions is achieved.
Owner:张卫杰