36 results about "Liquid diffusion" patented technology

The present application relates to the technical field of leakage detection, in particular to a method and system for detecting leakage of an anti-seepage layer in the construction of an artificial wetland, which determines the seepage time period in which each electrode grid may produce seepage by analyzing the changes in the potential difference data and humidity data of the electrode grid below the anti-seepage layer; based on the seepage time period, analyzes the coincidence of liquid diffusion between different electrode grids, and divides the electrode grid into several diffusion regions; divides the diffusion regions into suspected damage regions and diffusion interaction regions, and analyzes the area relationship between the suspected damage regions and the diffusion interaction regions to obtain the seepage damage probability of the diffusion region corresponding to each electrode grid; and according to the seepage damage probability, marks the leakage point region. Through the present application, the region where the anti-seepage layer may be damaged and diffused can be more accurately positioned, the accuracy of identifying the specific position of the anti-seepage layer where leakage occurs is improved, and the credibility of the leakage detection result of the anti-seepage layer is further improved.

The utility model discloses a grouting experiment platform for simulating a complex surrounding rock environment of a tunnel, which comprises a cubic model box body formed by welding a plurality of independent steel plates, a front / rear side plate of the cubic model box body is provided with regular through holes and is externally connected with a water storage tank, and the water storage tank regulates and controls dynamic water pressure through a bottom water outlet and an external water pressure supply system; a detachable cover plate and a ground stress simulation system are arranged at the top of the model box body, the ground stress simulation system comprises a portal frame, a hydraulic jack and a bearing plate, and stratum stress is reproduced through hydraulic loading and pressure monitoring; the grouting equipment injects grout into the simulation tunnel through the pressure stirring barrel and the grouting guide pipe. The device can accurately simulate a seepage field and a stress field of a complex surrounding rock, and is used for analyzing a grouting liquid diffusion rule in a laboratory, optimizing grouting parameters and reducing site construction risks.

The invention relates to the field of disposable hygienic products, in particular to a porous and strip-shaped disposable hygienic product and a preparation method thereof, and mainly solves the problem of contradiction between rapid liquid diffusion and leakage prevention of the disposable hygienic product in the prior art. The hygienic product body is provided with a front area, a middle area and a rear area in the longitudinal direction, the hygienic product body comprises a liquid-permeable surface layer, an absorption core layer and a liquid-tight bottom layer, a flow guide groove is pressed in the upper surface of the hygienic product body, and the first flow guide groove is provided with a plurality of first grooves distributed at intervals; a plurality of first through holes without absorbing materials are formed in the absorbing core layer along the flow guide grooves at intervals, the first through holes are distributed between every two adjacent first grooves, and the first through holes and the first grooves are distributed at intervals; the middle area of the absorption core layer is provided with at least two liquid passing grooves without containing absorption materials, and the liquid passing grooves are first strip-shaped grooves without containing absorption materials or through hole grooves composed of through hole columns with the through hole area larger than 50%.

The disclosure herein relates to a method of reducing background noise during integrity testing of membrane filter to increase sensitivity and more effectively disposition failing membrane filters.

The present invention provides a transient liquid phase diffusion bonding preform, and a transient liquid phase diffusion bonding method and a power module using same, the preform having a unidirectional porous metal body applied thereto and thus facilitating high-temperature bonding. The transient liquid diffusion bonding preform to which a unidirectional porous metal body is applied, according to an embodiment of the present invention, comprises: a unidirectional porous metal body having a plurality of unidirectional pores extending in one direction from a first surface to a second surface and made of a high-melting point metal; a first surface layer disposed on the first surface of the unidirectional porous metal body and made of a low-melting point metal; a second surface layer disposed on the second surface of the unidirectional porous metal body and made of the low-melting point metal; and a pore-filling layer for filling at least a portion of the plurality of unidirectional pores of the unidirectional porous metal body and made of the low-melting point metal.

A liquid diffusing device comprising: at least two cartridge receiving portions, each configured for removably receiving a cartridge configured to contain a liquid to be diffused, and having a respective pressurized air inlet associated therewith and configured to be in fluid communication with a cartridge inlet when the cartridge is positioned in the cartridge receiving portion; a pumping mechanism configured to generate pressurized air; and a selection mechanism configured to selectively establish a fluid communication between the pumping mechanism and the pressurized air inlet of one of the cartridge receiving portions for the pumping mechanism to pump the pressurized air into the respective cartridge for diffusing the liquid contained therein and generating an aerosol flow.

The invention relates to the technical field of sanitary napkin production detection equipment, in particular to a sanitary napkin modified antibacterial water absorption factor performance testing device with a multi-stage osmotic gradient detection module and a method of the sanitary napkin modified antibacterial water absorption factor performance testing device. And a time tester, a space tester, a dryness tester and a driving module arranged in the base are arranged in the controller. By integrating time, space and dryness test modules and relying on a unified driving linkage structure, multi-dimensional and dynamic gradient evaluation of the permeability of the sanitary napkin is realized, and an absorption time sequence, a liquid diffusion image and surface capacitance distribution data can be synchronously acquired in a round of continuous test, so that the permeability of the sanitary napkin can be accurately measured. Therefore, the dynamic change gradient of the absorption speed, the diffusion form and the surface dryness of the product along with multiple times of permeation of the liquid in a simulated real use scene is comprehensively quantified.

The ceiling fan comprises a ceiling fan body, a refrigerating module and a humidifying assembly, the ceiling fan body is provided with a fan blade piece, a liquid containing cavity and an air outlet, the liquid containing cavity is used for storing liquid, the air outlet is communicated with the outside and the liquid containing cavity, and the refrigerating module is arranged on the ceiling fan body. The refrigerating module can lower the temperature of liquid in the liquid containing cavity, the humidifying assembly is arranged on the ceiling fan body, the humidifying assembly can atomize the liquid in the liquid containing cavity and can drive the atomized liquid to be discharged from the air outlet, and the ceiling fan body can drive the fan blade part to rotate so that diffusion of the atomized liquid discharged from the air outlet can be accelerated. By means of the structure, before the humidifying assembly atomizes water in the liquid containing cavity, the refrigerating module can reduce the temperature of the water in the liquid containing cavity, the temperature of water mist (atomized water) discharged from the air outlet subsequently is reduced, the cooling effect achieved through cooperation of the water mist with the temperature reduced and the rotating fan blade piece is extremely good, and therefore the requirements of part of users can be met.

The present application relates to the technical field of material testing, and in particular to a liquid diffusion performance testing method and system for an absorbent material, comprising the following steps: placing a sample on a testing platform and applying a pressurizing device; injecting a quantitative test liquid into the sample through the liquid injection hole of the pressurizing device in multiple stages by a constant-flow liquid feeding device; using a sensor array to monitor and record the diffusion process parameters of the test liquid in the sample in real time; after the test liquid diffuses stably, measuring and recording the static diffusion parameters; performing a back infiltration amount test and a deformation recovery capability test on the sample, and calculating a comprehensive index set based on the collected data. The present application simulates the actual use scenario by multi-stage liquid injection, uses a multi-dimensional data acquisition system to track the liquid diffusion process, penetration time and material thickness change in real time, and combines static parameter measurement and deformation recovery test, so that the liquid diffusion performance of the absorbent material can be evaluated comprehensively and objectively to a certain extent.

The invention discloses a piezoelectric interface modified piezoelectric ion sensor and a preparation method and application thereof, and belongs to the field of flexible piezoelectric ion sensors, multiwalled carbon nanotubes are dispersed in NMP to form a suspension, and vacuum filtration and drying are performed to obtain a multiwalled carbon nanotube film; the BPNA powder is dissolved in a DMF / ethanol solution, and BPNA crystals are obtained through a liquid-liquid diffusion method; dissolving PEO in deionized water to obtain a PEO solution; adding the BPNA crystal into the PEO solution to obtain a PEO / BPNA dispersion liquid; adding ionic liquid into the PEO solution to obtain PEO / IL dispersion liquid; pouring the PEO / BPNA dispersion liquid on a glass plate to obtain a PEO / BPNA layer; a PEO / IL dispersion liquid is poured on the PEO / IL layer to form a PEO / IL middle layer; and pouring a PEO / BPNA layer on the multi-walled carbon nanotube electrode film layer to obtain an electrolyte, and laminating two multi-walled carbon nanotube electrode film layers on two sides of the electrolyte to obtain the assembled sensor.

To provide absorbent materials that can easily be flushed down the toilet after absorbing excrement. [Solution] An absorbent article 1 having a front-to-back direction, a width direction, and a thickness direction, and being folded in the center of the width direction toward the non-skin side along the front-to-back direction and brought into contact with the wearer, comprising a surface layer 11 that can come into contact with the wearer's skin, and a non-skin side layer 12 provided on the non-skin side of the surface layer, wherein the liquid diffusion properties of the adjacent skin side layer 11 adjacent to the non-skin side layer from the skin side are higher than those of the non-skin side layer.

This invention belongs to the field of iodine adsorption material technology, and discloses a method for synthesizing and applying a highly efficient iodine adsorption material. The synthesis method includes: S1, adding an organic aldehyde ligand to a container, adding a solvent, and stirring to completely dissolve the aldehyde ligand; S2, slowly adding the above solution dropwise to an organic amine ligand solution to completely mix it with the amine ligand; S3, sealing the above mixed solution and stirring at room temperature until the color deepens; S4, after the reaction is complete, separating the reaction solution into small glass vials, tightening the caps, loosening them by half a turn, and placing them in a protective atmosphere; after several days of gas-liquid diffusion, visible crystals form at the bottom of the glass vials. The synthesized adsorption material has applications in volatile and radioactive iodine. The crystalline adsorption material synthesized by this invention has good stability, high adsorption efficiency for iodine, and a fast adsorption rate, and can be used for nuclear waste treatment and the capture of radioactive iodine.

The application discloses a frame assembly and an electronic device, and belongs to the technical field of electronic device frames. The frame assembly comprises a middle frame and a shell sleeved on the periphery of the middle frame; at least one water storage groove is arranged on the outer side wall of the middle frame and / or the inner side wall of the shell, the water storage groove extends along the circumference of the frame assembly, and the water storage groove is used for storing water entering between the outer side wall of the middle frame and the inner side wall of the shell. The water storage groove prolongs the path of liquid flow and increases the resistance of liquid flow, thereby greatly reducing the speed and range of liquid diffusion in the device, providing more efficient liquid protection for the electronic device, significantly improving the liquid resistance performance of the electronic device, and reducing the risk of damage to the internal electronic elements of the device caused by liquid.

The invention relates to a photoelectrochemical hydrogen production assembly and a manufacturing method and application thereof, and belongs to the technical field of photocatalytic hydrogen production. The photoelectrochemical hydrogen production assembly (1) mainly comprises a photoelectrochemical device (2), a gas conveying pipeline (3), a liquid conveying pipeline (4) and a back plate (5), and the photoelectrochemical device (2) is integrated with a silicon solar cell (6) through a plurality of modularized photoelectrochemical pools (7) and is connected with the silicon solar cell (6) through the gas conveying pipeline (3) and the liquid conveying pipeline (4); the area of the photoelectrochemical cell (7) is gt; 1 cm < 2 >. According to the invention, the photoelectrochemical device in modular design is adopted, so that the photoelectrochemical device is convenient to replace and maintain in practical application; the internal resistance of the film is reduced by adopting a high-conductivity grid line pressing and burying process; the protective layer is adopted to isolate corrosion of electrolyte, and the problem of performance degradation of a large-area photoelectrochemical device is solved; the gas / liquid diffusion layer is adopted to reduce the thickness of the photoelectrochemical device, so that the internal resistance of the photoelectrochemical device is effectively reduced.

This invention discloses an innovative, multifunctional composite multilayer absorbent core and its preparation method, relating to the field of hygiene product technology. The hydrophilic layer can quickly capture liquid, the flow-guiding layer promotes uniform liquid diffusion, the absorbent layer efficiently locks in water, and the embossed structure directly enhances longitudinal mechanical strength and guides liquid flow, reducing the risk of surface liquid residue and interlayer separation. The longitudinal reinforcement and flow-guiding function of the embossing work in conjunction with the liquid management functions of the hydrophilic and flow-guiding layers. The physical grooves formed by the embossing not only limit the longitudinal stretching of the core and reduce deformation to improve structural stability, but also guide the liquid to quickly penetrate into the depths of the absorbent layer along the longitudinal direction, avoiding local saturation and thus reducing liquid backflow. The adhesive bonding ensures that each layer remains tightly bonded under liquid load, further consolidating the overall structure, ultimately achieving simultaneous improvement in the core's anti-backflow and structural stability.

The application discloses a paper diaper production method based on core layering prefabrication and lamination, and relates to the technical field of disposable sanitary products, and comprises the following steps: raw material preparation, absorption core layer carding, core swelling treatment, forming a storage area array, dividing the absorption core into nine functional subareas and performing differential SAP scattering, urine and feces subarea structure construction, core groove forming and edge sealing, lamination, hot air bonding integrated consolidation, three-layer flow guide groove forming, three-dimensional printing functional coating, self-adaptive temperature control layer lamination, micro-acid bacteriostatic surface layer lamination, overall paper diaper assembly, and finished product trimming. Through the multi-layer functional gradient core, swelling treatment and nine-subarea SAP precise scattering, the application realizes material differential distribution and enhances absorption in key areas. In combination with urine and feces subarea isolation, the application promotes rapid liquid diffusion, reduces back seepage and leakage, reduces the SAP usage amount while ensuring excellent absorption performance, and improves material utilization.

This absorbent article is provided with a main body section which extends in the longitudinal direction, comprises a front sheet, a back sheet, and an absorbent body, and which has an abdomen-side region that covers the abdomen of a wearer and a back-side region that covers the back of the wearer. The main body portion includes: a pair of leak-proof gathers disposed so as to be separated from each other in the lateral direction, each of the pair of leak-proof gathers including a standing portion capable of standing with respect to the surface sheet, and a first stretchable member provided on the standing portion and capable of stretching in the longitudinal direction; a pair of second telescopic members provided on both outer sides of the pair of standing portions in the lateral direction and capable of stretching in the longitudinal direction; and a liquid diffusion sheet provided so as to overlap the absorbent body when viewed from the skin surface side. A low expansion / contraction region in which a pair of first expansion / contraction members is provided in the longitudinal direction and a pair of second expansion / contraction members is not provided is formed in the back-side region. The liquid diffusion sheet includes an overlapping portion disposed within the low stretch region.

Described is a device for diffusing volatile substances. The device includes a container for holding a liquid containing the volatile substances, a piezoelectric element, the vibration of which causes the diffusion of the volatile substances, and a control electronics that applies an electrical signal to the piezoelectric element, adjusting it to operate at its resonance frequency. The control electronics searches for the resonance frequency and analyses the electrical signal to determine whether or not the liquid is present in the container based on that resonance frequency.

The utility model relates to the field of deodorization, especially to a medicine dilution deodorization device, including the medicine liquid tank, the medicine liquid tank is connected with the automatic proportional control valve through the first connecting pipe, one end of the automatic proportional control valve is connected with the filter, one end of the filter is connected with the backflushing device, the backflushing device is connected with the water inlet pipe, the automatic proportional control valve is connected with the booster pump still, the booster pump is connected with the medicine liquid diffusion device, one end of the medicine liquid diffusion device is connected with the spray pipe, the other end is connected with the waste gas pipe. The utility model transports water to the medicine liquid diffusion device through the water inlet pipe, carries out the mixed reaction, the gas produced in the reaction is discharged in the waste gas pipe, the mixed medicine liquid is sprayed in the spray pipe and deodorized, wherein the backflushing device can be used to avoid the filter from being blocked, and the filter is used to filter the water to avoid impurities from entering.

To provide an absorbent material and a method for manufacturing the same that can reduce the amount of materials used without causing a deterioration in the quality of the absorbent material. [Solution] The absorbent body 10 comprises a liquid-permeable top sheet 12, a liquid-impermeable back sheet 18, a liquid-absorbing absorbent core 16 disposed between the top sheet 12 and the back sheet 18, and a liquid-permeable liquid diffusion sheet 14 disposed between the top sheet 12 and the absorbent core 16. At least one of the top sheet 12, the liquid diffusion sheet 14, and the absorbent core 16 is constructed using a material 31 that has been widened in a direction intersecting the slit 32 after a slit 32 has been formed penetrating between the main surfaces, and has a through hole 34 through which the slit 32 has been widened.

The utility model belongs to the field of foam scrubbing agent liquid carrying performance experiment devices, and particularly relates to an experiment device for evaluating the liquid carrying performance of a foam scrubbing agent and a gas passing base. The experimental device comprises a foaming pipe, a gas passing structure is arranged at the bottom of the foaming pipe, the gas passing structure comprises a gas inlet used for being connected with an experimental gas source, a gas-liquid diffusion cavity connected with the gas inlet and a gas outlet connected with the gas-liquid diffusion cavity, and the section size of the gas outlet is larger than that of the gas inlet. And a gas refining device is arranged at the gas outlet. Experimental gas enters the gas passing structure from the gas inlet, is firstly diffused and mixed with the accumulated liquid in the gas-liquid diffusion cavity to enlarge the gas flow disturbance area, and then flows out from the gas outlet with the enlarged size and the gas refining device, so that the bubble generation effect can be remarkably improved, and the process that the gas flow passes through the accumulated liquid to generate a large number of dense bubbles from bottom to top and gradually rises is well simulated; therefore, the accuracy of medicament test data is improved.

The utility model relates to the technical field of AEM hydrogen production, and provides a supporting structure of a gas-liquid diffusion layer, which comprises a main body part, a plurality of connecting parts and a plurality of elastic supporting parts, the main body part is of a flat plate structure; a plurality of connecting parts are uniformly distributed on a first plane of the main body part; and each connecting part is in interference connection with an elastic supporting part. A plurality of connecting parts are also uniformly distributed on the second plane of the main body part; or a plurality of bulge structures are uniformly distributed on the second plane of the main body part. The connecting part is of a cylinder structure or a cuboid structure. And the connecting part and the main body part are of an integrated structure. And the end part of the connecting part is chamfered or rounded. By arranging the elastic supporting part, uniform and stable elastic supporting can be provided, circulation of electrolyte is not hindered, and the short circuit phenomenon is avoided.

The utility model discloses a washable anti-clogging flat punching drainage tube, which relates to the technical field of drainage tubes, and comprises a drainage section and a connecting tube body, the drainage section adopts a flat structure, the outer contour is in a concave-convex alternate shape, a plurality of drainage holes are formed in a concave part, and a convex part is used for supporting surrounding tissues and reducing the contact area with the tissues; tissue fragments, blood clots or secretions are prevented from being attached to the drainage holes, and the blocking risk is reduced. An independent flushing cavity and an independent drainage cavity are arranged in the tube body, the flushing cavity is used for injecting flushing fluid into the wound surface and is matched with the flow guide structure to accelerate liquid diffusion, drainage and flushing are synchronously carried out, the operation process is simplified, and the infection risk is reduced. The reinforcing structure longitudinally arranged on the inner edge of the drainage section effectively maintains the shape stability of the flat drainage section, tube body collapse or deformation caused by the negative pressure effect is prevented, and smooth drainage is ensured. The drainage device has the advantages of efficient drainage, tissue damage prevention, flushable function and structural stability, and is suitable for surgical postoperative drainage and wound healing promotion.

This invention discloses a nanofiber hydrogel hygroscopic composite film and its preparation method. The preparation method includes: preparing a brush-shaped polymer hydrogel microsphere dispersion using suspension polymerization; electrospinning polyacrylonitrile to obtain a nanofiber layer; spraying the hydrogel microsphere dispersion onto the surface of the nanofiber layer to form a hydrogel layer; repeating the electrospinning-spraying step at least once to obtain alternating stacked nanofiber and hydrogel layers; and finally loading hygroscopic salt. This invention constructs a multilayer heterogeneous structure through alternating electrospinning and spraying, allowing the hygroscopic salt to migrate to the nanofiber layer during adsorption-desorption, directly exposing it to the air, shortening the water vapor diffusion path, and improving hygroscopic kinetics. The polyethylene glycol side chains in the brush-shaped polymer hydrogel microspheres enhance the hydrophilicity of the hydrogel and reduce internal liquid diffusion resistance. This invention features a simple process and produces a film with excellent hygroscopic properties, suitable for air moisture collection and dehumidification.

The present invention relates to the technical field of auxiliary tools for cold chain transportation, and in particular to a temperature-time indicator label for cold chain transportation, comprising a label housing. Two label fixing plates are sealingly and fixedly connected to the upper and lower ends of the label housing, respectively; each label fixing plate is provided with a transparent viewing window; an outer end face of the label fixing plate is provided with a time scale on one side in the length direction of the transparent viewing window; one end of a bimetallic strip is fixedly connected to the middle of the left inner wall of the label housing, and the other end of the bimetallic strip is suspended and fixedly connected to impregnated filter paper; the impregnated filter paper is impregnated with a colored liquid; the inner wall of the label housing is provided with thin filter paper having liquid diffusion characteristics on both the upper and lower sides of the bimetallic strip; when the temperature exceeds a set threshold temperature, the bimetallic strip bends and brings the impregnated filter paper at the suspended end thereof into contact with the corresponding thin filter paper; and the diffusion length of the colored liquid on the thin filter paper indicates the duration for which the temperature has exceeded the threshold. The present invention provides a power‑free temperature-time indicator label.

The utility model belongs to the technical field of spraying machines, and particularly relates to a hydraulic folding spraying rod type spraying machine which comprises a supporting plate, a liquid containing box is fixedly connected to the left side wall of the supporting plate, a liquid inlet is fixedly formed in the top of the liquid containing box, a water pump is arranged in the liquid containing box, and spraying devices are symmetrically arranged on the supporting plate. The spraying device comprises rotating rods, the rotating rods are arranged on the left side and the right side of the supporting plate, the rotating rods slidably penetrate through the outer side of the supporting plate, the right side wall of each rotating rod is fixedly connected with a transmission plate, and the outer side wall of each transmission plate is fixedly connected with an abutting plate. According to the spraying device, the rotating rod is rotated through the grip to enable the joint of the transmission plate and the rotating plate to face upwards, then the rotating plate is fixed through the fastening screw and the threaded hole, the spraying head can spray water to a higher position, the method can also be used for spraying water to bottom vegetation according to the actual situation, and therefore the spraying range can be further expanded; and the diffusion range of the liquid in the liquid containing box is larger.

The invention provides an acid injection volume determination method for acidification of adsorption type retarded acid, which comprises the following steps: S1, carrying out an adsorption experiment test, and establishing an adsorption-temperature model of the adsorption type retarded acid according to a test result; s2, establishing a flow reaction model of carbonatite matrix acidification, and calculating the pressure, flow velocity, acid liquor concentration and porosity change of the current time step and the permeability, specific surface area and pore radius of the next time step; s3, considering the adsorption covering effect of adsorption type retarder molecules on the surface of the carbonate rock, establishing a retarder substance balance equation and a carbonate rock surface adsorption retarding model, and calculating the acid rock reaction effective specific surface area and the effective acid liquid diffusion coefficient after carbonate rock surface adsorption; and S4, establishing a quantitative relation curve between the dimensionless breakthrough volume PVBT and the Damkler number Da, and determining the acid injection volume of acidification of the adsorption type retarded acid under the reservoir scale. According to the method provided by the invention, the acid injection volume of acidification of the adsorption type retarded acid matrix of the carbonate reservoir can be quantitatively determined, the design of an acidification engineering scheme of the carbonate reservoir is more effectively supported, and decision and optimization of acidification technical measures are guided.

The application discloses a kind of process parameter control methods of furniture edge sealing equipment, it is related to furniture manufacturing technical field, comprising: with image gradient distribution to determine edge feature point, and according to the curvature gradient position of feature point to identify curvature abnormal area;With the spatial position information of edge sealing nozzle relative to plate edge as benchmark, in combination with the spatial topological structure of curvature abnormal area to determine glue spraying trajectory associated area;For glue spraying trajectory associated area, trajectory optimization processing is executed by the trajectory reconstruction model of embedding curvature adaptive fitting algorithm, and the glue spraying trajectory of edge sealing nozzle is generated;Based on the simulation model of pre-constructed glue liquid capillary action characteristics, glue spraying trajectory is used to simulate glue liquid diffusion area, and according to glue liquid diffusion area, the opening and closing timing and glue spraying flow parameter of glue spraying valve are deduced back;The application realizes that glue spraying trajectory is highly matched with plate edge structure and glue liquid diffusion characteristics, and improves the reliability and stability of furniture edge sealing quality.

Provided is an absorbent article which is provided with an absorbent body including an absorbent core of a core covering sheet enclosed in crepe paper, and which is capable of improving back-permeation and suppressing breakage of the core covering sheet by using an improvement in liquid diffusivity in the plane direction in the core covering sheet. An absorbent article (1) is provided with an absorbent body (11). The absorbent body comprises an absorbent core (11a), a skin-side core wrapping sheet (11b1) positioned on the skin side in the thickness direction of the absorbent core, and a non-skin-side core wrapping sheet (11b2) positioned on the non-skin side in the thickness direction of the absorbent core. The skin-side core wrapping sheet and the non-skin-side core wrapping sheet are configured from crepe paper having irregularities. The degree of unevenness of the skin-side core wrapping sheet is smaller than the degree of unevenness of the non-skin-side core wrapping sheet.

The utility model relates to a thermal drive type volatilization structure and thermal drive type volatilization equipment, and belongs to the technical field of volatile liquid diffusion devices. Comprising a heat source configured to provide heat energy; an inner cavity is formed in the volatilization core rod in the axial direction, the inner cavity extends to one end of the volatilization core rod, and a first opening is formed in the end of the volatilization core rod; and the heat source is configured to be inserted into the inner cavity of the volatilization core rod. Through the synergistic effect of continuous heat energy supply and inner cavity design, the device can achieve rapid volatilization and uniform diffusion of liquid within a short time, and the requirements of various application scenes such as insect repelling, fragrance diffusion or air purification are met.