4715 results about "Honeycomb" patented technology

The invention discloses a composite protective structure resistant to blast shock which is mainly a point truss honeycomb integral protective structure formed by a honeycomb tensile layer and a lattice truss-type compression resistance layer through welding spots and connecting keys, and a foam energy absorbing layer is added on the outer layer. According to the composite protective structure, theforce transmission path of a concrete protective structure under the action of blast is innovatively optimized, the resistance level of the protective structure can be greatly improved, and the structure ductility is improved; and the dispersion of concrete fragments in the structure can be restrained, and the phenomenon of blast and explosion-induced collapse of similar traditional concrete protective structures is eliminated.

The invention relates to the technical field of laser cutting equipment, in particular to laser cutting equipment for metal honeycomb aluminum plate machining. A cutting bed; the cutting mechanism is assembled on the cutting bed, and the cutting mechanism comprises a laser cutting head which moves in the horizontal transverse direction, the horizontal longitudinal direction and the vertical direction to execute cutting; the linkage rack is fixed on the horizontal longitudinal moving part of the cutting mechanism and extends to the lower part of the cutting bed; and the adsorption fixing frame is fixedly assembled on the cutting bed and is used for adsorbing and fixing the honeycomb aluminum plate so as to prevent the honeycomb aluminum plate from moving. According to the cutting equipment provided by the invention, the problems of non-uniform temperature distribution, existence of temperature gradient, unreasonable cooling position control and the like on the upper plate surface and the lower plate surface when the metal honeycomb aluminum plate is cut are further solved; the cutting quality problems such as plate deformation and layering and slag residues and burrs at the position close to the lower part of the cutting edge of the plate still occur, so that the laser cutting quality of the metal honeycomb aluminum plate is ensured.

The invention discloses a method and a system for evaluating the running risk of an automatic driving taxi, and relates to the field of intelligent traffic and automatic driving. Aiming at the problems of insufficient dynamic traffic environment adaptability, rigidity of space decision, lack of vehicle operation rule compatibility and the like in the prior art, the evaluation method comprises the following steps: dynamically dividing an urban road network into hexagonal honeycomb units, adjusting the honeycomb radius according to a real-time travel demand, and selecting key nodes; accessing traffic flow density, conflict event number, communication delay and environment parameters in real time to construct a key node risk index; a hidden Markov chain model is adopted to simulate behavior response of an automatic driving taxi at a key node, an S1 safety state and an S2 risk state are defined, and a Viterbi algorithm is combined to deduce a hidden state probability; and finally, comprehensively judging the risk level according to the risk index and the state probability. According to the method, through multi-source data fusion and scene behavior modeling, dynamic evaluation and control of the operation risk of the automatic driving taxi are realized.

The invention discloses an event early warning efficient management method and system based on park management, and relates to the technical field of safety management, and the method comprises the steps: constructing a hexagonal cellular unit layout, generating an equipment registry and a network topology structure, and forming a structured data set through data alignment and sliding window verification; the edge server loads an initial weight, calculates a dynamic weight matrix based on the LSTM network, and generates a high-order feature vector set in combination with the graph neural network; inputting the high-order feature vector set into a space-time prediction model to generate an environment evolution trend prediction value, fusing network topology and BIM model parameters to calculate a dynamic risk index, and triggering graded early warning; the command center analyzes the early warning signal to generate a fusion visual interface, historical cases are matched through federal learning, a resource allocation scheme is optimized, and an optimal disposal strategy is output through Monte Carlo simulation. By dynamically adjusting the weight of the sensor, the weight of the infrared sensor in the high-temperature-sensitive area is increased, and the abnormality capturing efficiency is improved.

The invention relates to the technical field of plate cutting, and discloses a laser synchronous cutting device for producing cellular boards, which comprises a base table, a cutting table is fixedly mounted at the top of the base table, a pair of receiving tables is arranged on one side of the cutting table, cellular boards are placed above the cutting table and the receiving tables, and a cutting frame is fixedly connected to the top of the cutting table. Two electric sliding rails are fixedly installed on one side of the cutting frame, a discharging assembly used for driving the two material collecting tables to rotate obliquely is arranged on the side of the material collecting tables, a feeding assembly used for driving the cellular boards to be pushed is arranged on the side of the cutting table, and the material collecting tables are made to incline through the discharging assembly, so that the cellular boards are conveyed to the cutting table. According to the honeycomb plate cutting device, the cut small honeycomb plates can automatically slide off, along with automatic sliding-off of the small honeycomb plates, space can be continuously vacated in the material collecting area, convenience is provided for subsequent cutting and material collecting operation, the tedious process of manual material taking is avoided, and the production efficiency is remarkably improved.

The invention discloses a 3D printing layered honeycomb sandwich panel and a processing method thereof. The processing method comprises the steps that a digital forming platform is constructed, process parameters are initialized, a functional interface layer is laid on a printing substrate in advance, a three-dimensional model is generated, and the printing substrate is divided into a plurality of gradient areas; collaborative printing of a lower panel structure is executed, and a composite panel base body is formed by adopting a multi-nozzle alternate deposition process; according to the characteristics of the divided gradient areas, honeycomb units are formed layer by layer by dynamically controlling printing rheological parameters, and a gradient honeycomb core layer is constructed; the cooperative growth of the upper panel and the gradient honeycomb core layer is realized by adopting a rotary incongruous printing strategy; the performance of the core layer material is regulated and controlled through a multi-stage heat treatment process, and the functional interface layer is activated to obtain the honeycomb sandwich panel; according to the honeycomb sandwich board, the mechanical property customized distribution of the honeycomb core layer is realized, the surface-core interface bonding strength is improved by combining the directional activation mechanism of the micro interlocking structure and the functional interface layer, and the honeycomb sandwich board with high mechanical property and thermal stability is provided.

The invention discloses a disilane mixed gas dissolving and mixing system and a control method, and relates to the technical field of gas mixing preparation, the disilane mixed gas dissolving and mixing system comprises seven modules, a storage module realizes accurate pressure control through a honeycomb gas storage tank matrix, and the tank wall adopts a nano composite structure for corrosion prevention; the premixing module forms a chaotic flow field by using a double-helix micro-channel and pulse injection; the reaction module is combined with supercritical and electromagnetic resonance to accelerate the reaction; the monitoring module fuses multispectral detection; the control system is based on deep reinforcement learning, in addition, a gradient condensation-membrane distillation separation module, a bionic safety interlocking module and other modules are further arranged, and all the modules cooperate to achieve efficient mixing and production. According to the device and the method, high-precision preparation of disilane mixed gas, precise pressure-controlled material storage, molecular-level efficient mixed reaction, multispectral precise monitoring, intelligent regulation and control, stability guarantee, high safety interlocking and intelligent maintenance are realized, faults can be reduced, the product quality and the production efficiency are improved, and the cost is reduced.

The invention provides porous foam with a bionic lotus seedpod surface structure and a preparation method of the porous foam, belongs to the technical field of photothermal conversion materials, and aims to solve the technical problem that a solar evaporator is poor in water evaporation performance and salt resistance. According to the invention, a vacuum solution pouring technology / salt template method / template auxiliary technology is combined to prepare the composite foam, and the composite foam has a surface hemispherical pore structure and a lower layer honeycomb hierarchical pore structure at the same time, which is benefited from unique surface and internal pore structures; the solar evaporator shows efficient and stable evaporation performance, high salt resistance, good self-cleaning capacity and the like in NaCl solutions with different concentrations, and the double-layer hierarchical pore composite foam has wide application prospects in sewage treatment and seawater desalination. The preparation method has the advantages of being simple in process, convenient to operate, controllable in surface pore structure and internal pore shape, capable of forming evaporators in complex shapes and the like.

The invention provides an embedded structure energy storage integrated composite material and a preparation method thereof, and belongs to the technical field of composite materials and electric energy storage. A sandwich structure is adopted, an energy storage unit is embedded in an insulation honeycomb / grid core material, and high-strength fiber composite material panels are arranged on the upper side and the lower side of the insulation honeycomb / grid core material. In the aspect of a material system, the panel has both mechanical strength and electrical insulation property; in structural design, gradient thickness and multi-cavity layout are introduced to improve the multi-direction load bearing capacity. Automatic switching, energy management and fault diagnosis among the energy storage units are realized by a flexible circuit and an intelligent chip which are internally integrated; meanwhile, a sensing network is embedded to monitor structural strain, vibration and battery state in real time, and a structural health monitoring function is provided. The obtained composite material has the characteristics of high structural strength, high energy storage efficiency and high safety intelligent degree, can be widely applied to the fields of aerospace, automobiles and the like, realizes the integrated design of the structure and energy storage, and achieves the purposes of reducing weight and improving functions.

The invention discloses an anti-skid and noise-reduction multifunctional road hot melt coating and a gradient forming process thereof, and relates to the technical field of hot melt coatings. Comprising the following components in percentage by mass: 25-28wt% of bio-based resin, 8-12wt% of a noise reduction material, 15-20wt% of nano composite rubber particles and 5-8wt% of internally mixed reflective glass beads. The bio-based resin is used as a base material of the hot melt coating, the superfine bamboo fibers and the polyurethane elastomer are combined to serve as noise reduction materials, and honeycomb-shaped pores with the diameter of 0.1-1 micron exist in the superfine bamboo fibers, so that a coating produced by construction of the hot melt coating has good noise reduction performance; meanwhile, coarse-grade glass beads and fine-grade glass beads are introduced into the material, the coarse-grade glass beads provide basic light reflection, gaps are filled with the fine-grade glass beads to form a compact reflection layer, the coarse-grade glass beads and the fine-grade glass beads synergistically act to enable incident light to generate a composite effect of diffuse reflection and specular reflection, the retroreflection coefficient of the coating is increased by utilizing the effect, the light reflection performance in rainy days is further improved, and the safety is improved; and the hot-melt coating mostly adopts an environment-friendly material, is easy to degrade and is beneficial to environment protection.

The invention relates to the technical field of structures, in particular to a cubic double-pole ligament negative Poisson's ratio honeycomb lattice structure which comprises a plurality of honeycomb unit cells which are assembled in a linkage mode. Each honeycomb unit cell comprises two straight edges which are symmetrically arranged, the two ends of each straight edge are respectively connected with a cubic double-pole ligament, the four cubic double-pole ligaments are respectively symmetrical, the opposite ends of the two cubic double-pole ligaments on the same side are connected to linkage edges, and the two linkage edges are symmetrical to each other and are located on the same plane; the two straight edges, the four cubic double-pole ligaments and the two linkage edges form a linkage structure which is connected with each other. The invention aims to provide a cubic double-pole ligament negative Poisson's ratio honeycomb lattice structure, an oblique straight ligament of a traditional concave hexagonal unit cell is modified into a cubic double-pole curve ligament, and the optimization potential of energy absorption and impact resistance is enhanced.

The invention discloses a quality-divided treatment and recycling method for lead-zinc beneficiation wastewater, and belongs to the technical field of beneficiation wastewater treatment.The method comprises the steps that beneficiation tail water is introduced into a Fenton reaction tank, a catalyst is added firstly, then hydrogen peroxide is added, a Fenton oxidation reaction is conducted, after the Fenton oxidation reaction is finished, the beneficiation tail water is introduced into a coagulation reaction tank, caustic soda liquid is added, and the mixture is stirred and mixed uniformly; adding a precipitating agent, a flocculating agent and a stabilizing agent, and flocculating and settling the precipitate; introducing the beneficiation tail water added with the treatment agent into a honeycomb inclined tube sedimentation tank, further flocculating and settling, then returning flocculated precipitates in a bottom tank to a coagulation reaction tank, and discharging redundant bottom mud into a tailing pond; and settled clear water enters a clear water tank and is used as production water for ore grinding classification and flotation operation. According to the invention, through quality-divided treatment-quality-divided recycling of the beneficiation wastewater, it is ensured that the beneficiation tail water meets the requirements of ore grinding and flotation production indexes, the treatment cost of concentrate overflow water and filtered water is reduced, and the purpose of 100% recycling of the beneficiation wastewater after quality-divided treatment is achieved.

The invention provides a composite cabin door with a combined sandwich structure. A sandwich layer in a special-shaped area of the cabin door is made of a foam sandwich material; the sandwich layer in the installation area of the accessories of the cabin door is made of filler, and the accessories need to be installed through screws and bolts; the sandwich layer in the load-bearing area of the cabin door is made of a high-density honeycomb material; a sandwich layer in a non-bearing area of the cabin door is made of a low-density honeycomb material; the density and strength of the low-density honeycomb material are smaller than those of the high-density honeycomb interlayer, so that the non-bearing area is designed to be light. The total weight of the cabin door can be reduced to the greatest extent under the condition that the equipment mounting requirement and the rigidity and strength requirements are met; meanwhile, metal parts exposed in the air are reduced, and the problems of corrosion and abrasion of cabin door parts are solved; and splicing areas of different sandwich layer materials are locally bonded and reinforced, so that the damage risk of the composite cabin door is reduced.

The utility model discloses a honeycomb-shaped bridge joint structure which comprises a beam body, a reserved groove is formed in the inner side of the beam body, an anchoring steel bar is fixed in the reserved groove, an installation hole is formed in the upper surface of the beam body, a protection mechanism is installed above the beam body, clamping seats are fixed to the two sides in the beam body, and the clamping seats are fixed to the lower surface of the beam body. A clamping block is installed in the clamping base, and a rubber water stop belt is fixed to the upper portion of the clamping block. According to the honeycomb-shaped bridge joint structure, through cooperative use of the clamping seats, the clamping blocks and the rubber water stop belts, the rubber water stop belts are used for preventing water flow permeation at the joints, erosion and damage to a beam body structure are avoided, and therefore the integrity of the beam body structure is protected, and the service life is prolonged; the problems of steel bar corrosion, concrete cracking and the like caused by water permeation are reduced, the rubber waterstop is of a wave-shaped structure and can better adapt to deformation and displacement of a joint, and the rubber waterstop is convenient to disassemble and assemble due to the arrangement of the clamping blocks.

The invention relates to the technical field of phase-change energy storage materials, and particularly provides a phase-change energy storage plate and a preparation method thereof.The phase-change energy storage plate comprises a front aluminum plate, a honeycomb core layer made of aluminum materials and a back aluminum plate, the honeycomb core layer is formed by arranging a plurality of hexagonal columns in a matrix mode, each hexagonal column is filled with a phase-change material, and the phase-change material is arranged in the honeycomb core layer; the phase change material is selected from at least one of a graphite-based phase change material and a microcapsule phase change material, and the phase change material is selected from at least one of a graphite-based phase change material and a microcapsule phase change material. The phase change energy storage plate has high heat storage and release rate and thermal conductivity, has high bending strength and is convenient to popularize and apply.

The utility model provides a honeycomb nanofiber-based flexible probe medical dressing, the shape of the medical dressing is a honeycomb formed by closely arranging hexagonal structure units, six edges of each hexagonal structure unit are detection parts, the middle surrounded part is a treatment part, and the detection parts are closely attached to the treatment part; the detection part is used for detecting the high active oxygen concentration of the wound and judging whether the wound is infected or not; the treatment part is used for treatment and infection resistance of wounds after skin tumor excision. The medical dressing is used for wound treatment and infection resistance after skin tumor excision, and meanwhile, the high active oxygen concentration of a wound is detected, and whether the wound is infected or not is judged.

The present application relates to a pickleball racket. The pickleball racket includes a racket main body and a handle. The handle is connected to one side of the racket main body. The racket main body includes a carbon fiber layer, a glass fiber layer, an EVA layer and a PP honeycomb layer, which are arranged in a stacked manner. The PP honeycomb layer has a honeycomb slot structure. In this embodiment, due to high strength and rigidity of a carbon fiber material, the carbon fiber layer can be provided to improve the stability and durability of the racket. The pickleball racket in the present application can absorb and reduce the vibration and impact generated in the event of collision of the racket with a ball, thereby greatly reducing the noise, and also reducing a force on the hand, and improving a shock-absorbing effect of the racket.

The invention discloses a cathode roller with a honeycomb surface structure. A precise honeycomb micro-pattern structure is arranged on the surface of the cathode roller. The invention also discloses a method for manufacturing alloy foil by using the cathode roller, which comprises the following steps: dissolving ferric salt in ultrapure water to obtain a ferric salt solution; dissolving nickel salt in ultrapure water to obtain a nickel salt solution; mixing the two solutions and filtering; preparing various additive solutions, mixing all the additive solutions with the obtained iron-nickel solution to obtain an electrolyte, filtering the electrolyte, and transferring the filtered electrolyte into an electrolytic cell of a crude foil engine; and applying current to a cathode roller and an anode plate which are separately arranged in the electrolytic bath, electrically depositing iron and nickel on the surface of the cathode roller, and rolling through a roll-to-roll process to obtain the iron-nickel alloy foil. The alloy foil manufactured by the method has the characteristics of low surface roughness, high tensile strength and high ductility.

The invention belongs to the technical field of ceramics, and particularly relates to a three-dimensional effect glaze, a three-dimensional effect ceramic tile and a preparation method thereof. The three-dimensional effect glaze is composed of honeycomb ground glaze and honeycomb effect glaze; the honeycomb ground glaze comprises the following mineral components in percentage by mass: 20%-30% of quartz, 5%-10% of kaolin, 12%-18% of albite, 7%-15% of calcite, 2%-7% of wollastonite, 12%-17% of calcined talc, 15%-25% of calcined zinc oxide, 2%-6% of titanium dioxide, 2%-4% of glass powder, 1%-3% of strontium carbonate and 1%-5% of dolomite. The glaze with the honeycomb effect comprises the following mineral components in percentage by mass: 5%-15% of quartz, 5%-10% of kaolin, 40%-55% of albite, 2%-6% of barium ice feldspar, 2%-10% of calcite, 7%-15% of calcined talc, 1%-4% of calcined zinc oxide, 7%-15% of red mud and 3%-5% of coal gangue. The novel effect glaze is developed, the glaze surface is flat and smooth, meanwhile, the ground glaze is pushed to the surface through the gas phase disturbance effect, and the effect glaze sinks and wraps the ground glaze in a three-dimensional honeycomb shape.

The invention discloses a micro-grid resource visual topological index generation method and system. The method comprises the following steps: receiving geographic boundary coordinate data of a micro-grid system to establish a micro-grid physical region coordinate system; a hexagonal honeycomb grid structure is constructed in the microgrid physical region coordinate system; generating a cellular grid hierarchical hash code according to the cellular grid; constructing a skip list chain of the network topology structure and a skip list chain access path cache table based on the hash code; and finally, executing cross-level jump retrieval by utilizing the cache table and generating a micro-grid resource visual topological index. According to the method, by combining the hexagonal honeycomb grid and the skip list chain structure, efficient cross-level retrieval is achieved, the speed and accuracy of equipment positioning in a complex micro-grid system are remarkably improved, and the fault processing efficiency and the operation and maintenance response speed are powerfully guaranteed.

The invention discloses an adsorption treatment system for heavy metal particles in waste incineration flue gas, and relates to the field of flue gas treatment.The first adsorption structure comprises a plurality of adsorption assemblies which are arranged in parallel from top to bottom, each adsorption assembly comprises a first adsorption section and a second adsorption section which are communicated in sequence, and a plurality of honeycomb assemblies are arranged in each first adsorption section; the honeycomb assembly comprises a plurality of honeycomb frameworks, and amino silane layers are arranged on the honeycomb frameworks; the second adsorption section comprises an adsorption plate, and a carbon-doped boron nitride adsorption layer is arranged on the adsorption plate; the air outlet end of the second adsorption section is connected with the spiral air inlet assembly; flue gas enters the adsorption plate of the second adsorption section after passing through the honeycomb framework on the first adsorption section, and the flue gas enters the spiral gas inlet assembly of the second adsorption structure through the gas outlet end of the second adsorption section. According to the system, multi-stage treatment is carried out through an amino silane layer on a honeycomb framework of the first adsorption section, a carbon-doped boron nitride adsorption layer of the second adsorption section and spraying liquid on a second adsorption structure.

The utility model provides a honeycomb type stereoscopic warehouse feeding mechanism, and relates to the technical field of warehouse feeding, the honeycomb type stereoscopic warehouse feeding mechanism comprises a moving assembly, a lifting mechanism arranged on the top surface of the moving assembly and used for lifting angle steel, and a fixing mechanism arranged on the lifting mechanism and used for fixing the angle steel. According to the honeycomb type stereoscopic warehouse feeding mechanism, the lifting mechanism is arranged so that the height of the fixing mechanism can be conveniently adjusted, angle steel can be conveniently fed, a V-shaped groove can be matched with the shape of the bottom of the angle steel, and a second servo motor is started to drive a two-way lead screw so that two limited lead screw sliding blocks can be close to each other; and the side edges of the stacked angle steel are fixed through the two fixing plates close to each other, and the contact area of the fixing plates and the side edges of the stacked angle steel can be increased by forming the grooves, so that the situation that the angle steel slides off when the angle steel is fed is avoided.

The invention relates to a novel system and method for observing and recording behaviors in a honeycomb, and belongs to the technical field of bee behavior research. The beehive is installed at the top of the supporting cabinet, limiting grooves for installing honeycomb frames are formed in the beehive, monitoring windows are formed in the two sides of the beehive, transparent glass plates are installed on the monitoring windows, the monitoring boxes are installed on the two sides of the beehive, one side of each monitoring box is open and is in butt joint with the corresponding monitoring window, and cameras are installed in the monitoring boxes. The controller and the signal transmission module are both installed in the supporting cabinet, the camera is connected with the controller, and the controller is connected with the monitoring rear end through the signal transmission module. A camera is used for observing and recording behaviors of marked bees in a honeycomb and generating a video, and computer software is used for carrying out statistical analysis on the bee behavior video, so that data such as a crawling track of the bees on a honeycomb, honeycomb probing duration frequency, inter-individual behavior duration frequency and the like can be obtained; therefore, the behavior in the honeycomb can be comprehensively, deeply and accurately investigated and studied.

The invention discloses a self-adaptive impact-resistant protective metamaterial with a Poisson's ratio autonomous constraint function, which comprises a PMP honeycomb, the PMP honeycomb comprises a plurality of honeycomb unit cell structures, and each honeycomb unit cell structure comprises a hexagonal thin-wall structure I and a hexagonal thin-wall structure II internally connected in the hexagonal thin-wall structure I. The invention further discloses a preparation method of the self-adaptive impact-resistant protective metamaterial with the Poisson's ratio autonomous constraint function. Compared with an SHC honeycomb, the PMP honeycomb has the advantages that the dynamic Poisson ratio of the PMP honeycomb is relatively stable in the whole crushing process, and the initial fluctuation range is only 0.1. In addition, the average dynamic Poisson's ratio of the PMP honeycomb is relatively small, indicating that the PMP honeycomb is almost free of transverse deformation without additional assistance. After the PMP honeycomb is compressed to be densified, the transverse length of the PMP honeycomb is only increased by 3.5%. Wherein the PMP honeycomb has better self-constraint capability, so that the PMP honeycomb has a more stable energy absorption mode.

The invention discloses a sandwich structure based on chiral pressure torsion and negative poisson ratio honeycomb compounding, and relates to the technical field of mechanical metamaterials. The sandwich structure comprises an upper skin layer, a core layer and a lower skin layer, the core layer is formed by alternately compounding three-dimensional chiral compression-torsion cell elements and negative poisson ratio honeycomb cell elements which are periodically arranged, and the chiral compression-torsion cell elements form a bidirectional torsion stress network through spiral connecting rods; the negative Poisson's ratio honeycomb cell element is of a concave polyhedron structure and is nested with a butterfly-like substructure, and energy is absorbed through transverse contraction and folding deformation in a cooperative mode. The sandwich structure has a multi-stage energy dissipation mechanism: the chiral compression-torsion unit disperses impact energy through spiral deformation, the butterfly-like substructure elastically shrinks at low strain and slides and folds at high strain, and the energy absorption efficiency is enhanced through friction and plastic deformation; the structural parameters can be subjected to gradient regulation and control according to the impact strength, the lightweight rate and the deformation mode, and high design flexibility and working condition adaptability are achieved.

The invention belongs to the technical field of honeycomb plate machining, and particularly relates to stainless steel honeycomb core base material bending machining equipment. The invention comprises: a base; the lifting mechanism is connected with a downward pressing assembly; the fixed plate is fixedly connected to the machine base; the machine base is connected with a pair of supporting frames, and the overturning plate is rotationally connected between the two supporting frames; a pair of sliding rails is symmetrically arranged on the machine base, sliding seats are slidably connected to the sliding rails, guide columns are fixedly connected to the machine base, lifting sleeves are slidably connected to the guide columns, and reset springs are connected to the surfaces of the guide columns. A first connecting rod is rotationally connected between the lifting sleeve and the sliding seat, and a second connecting rod is rotationally connected between the sliding seat and the turnover plate; according to the honeycomb core base material bending device, the honeycomb core base material is tightly pressed on the fixing plate when the downward pressing assembly descends, the overturning plate is automatically driven to overturn when the downward pressing assembly continues to descend, then the honeycomb core base material is bent, and the problem that scratches are generated at the bent position of the honeycomb core base material is solved.

The invention discloses a wear-resistant attapulgite honeycomb material with a self-cleaning function as well as a preparation method and application thereof, and belongs to the technical field of atmospheric pollution control and environment-friendly materials. The problems that in the prior art, a titanium-based denitration carrier is high in abrasion rate and serious in dust deposition in high-dust flue gas are solved. The preparation method comprises the following steps: firstly, adding attapulgite powder into an acid solution, continuously stirring, filtering, cleaning and drying to obtain pretreated attapulgite powder; dissolving a metal salt and a modifier in an ethanol solution, uniformly mixing, carrying out ball milling on the obtained mixed solution and the pretreated attapulgite powder, and carrying out heat preservation to obtain secondarily modified attapulgite powder; and finally, pugging a structure aid, a forming aid, an extrusion aid, a binder and the secondarily modified attapulgite powder, carrying out extrusion forming on the obtained pug, drying, and calcining to obtain the attapulgite honeycomb material. The attapulgite honeycomb material has the advantages of low cost, high mechanical strength and dust suppression performance, and can be used as a carrier of a denitration catalyst.

The invention relates to the technical field of ceramics, and provides an environment-friendly ceramic containing bamboo fiber and a preparation method thereof, the environment-friendly ceramic containing bamboo fiber comprises the following raw materials by mass: 50-60 parts of kaolin, 18-28 parts of quartz sand, 10-16 parts of feldspar powder, 22-36 parts of modified bamboo charcoal fiber, 0.5-1 part of a binder and 0.2-0.6 part of a dispersant. Wherein the bamboo charcoal fiber is used as a raw material and is environment-friendly and biodegradable; the bamboo charcoal fiber modified by alkali treatment and a sol-gel method has better compatibility with a ceramic matrix and is uniformly dispersed, and the agglomeration phenomenon is reduced, so that the impact resistance and toughness of the ceramic are improved, and the defect of high brittleness of the traditional ceramic is overcome; the honeycomb microporous structure of the bamboo charcoal fiber endows the ceramic with the functions of adsorbing harmful substances, resisting bacteria and deodorizing, so that the ceramic prepared by the invention has excellent antibacterial, deodorizing and mechanical properties, is environment-friendly, and has important application value in the fields of sanitary ware, tableware and the like with high sanitary requirements.

The invention belongs to the technical field of closed cooling towers, and discloses a countercurrent closed cooling tower and a cooling method.The countercurrent closed cooling tower comprises a tower body, a draught fan is fixedly connected to the top of the tower body, an air inlet is formed in the side wall of the bottom of the tower body, a water collecting tank is formed in the bottom of the tower body, and a pair of coil pipes is fixedly connected to the middle of the tower body; through cooperation of structures such as an annular shell, an annular spraying pipe and a concave panel, the possibility that scale is generated by the coil pipe is reduced, the heat exchange effect can be improved, during heat exchange, water in a collecting groove of the annular spraying pipe moving in a reciprocating mode is pumped and pressurized, the surface of the coil pipe is scoured in an annular mode, and the scale forming risk is reduced; and meanwhile, the sliding columns continuously extrude the wave-shaped grooves, so that the whole annular shell rotates in a reciprocating mode, close-distance washing can be more uniform, and therefore the heat exchange effect and durability of the coil pipe are efficiently improved.

The utility model discloses curtain piece pasting and compacting equipment of a honeycomb curtain, which belongs to the technical field of honeycomb curtain production equipment and comprises a base, a compacting groove is arranged in the middle of the base, a plurality of vertical frames are fixedly connected in the base, mounting plates are fixedly connected to the upper ends and the lower ends of the vertical frames, compacting mechanisms are arranged on the mounting plates, and the compacting mechanisms are arranged on the base. The compacting mechanism comprises a lower pressing plate and an upper pressing plate, and the lower pressing plate and the upper pressing plate are used for compacting the curtain pieces. The glue scraping device has the beneficial effects that a transmission mechanism and a glue scraping mechanism are arranged, when an upper pressing plate moves downwards to press a curtain piece, through cooperation of a first toothed plate and a gear shaft, a lifting base is lifted, the lifting base drives a plurality of rotating rods and scraping pieces to ascend, excessive glue at the two ends of the curtain piece is scraped, mutual adhesion is prevented, and the glue scraping effect is improved. And through cooperation of a connecting gear and a third toothed plate, the scraping blade rotates while rising, the glue scraping effect is further improved, and practicability is high.