33results about How to "Solve side leakage" patented technology

The invention discloses a double-electrolyte digital sensor for detecting the diffusion and permeation rate of atomic hydrogen in a metal. The double-electrolyte digital sensor adopts a three-electrode system; an auxiliary electrode adopts a thin palladium sheet of which the thickness is 0.1 mm; a reference electrode adopts a pure nickel wire; the electrolyte adopts a twin-fluid system with colloidal high polymer potassium hydroxide solution and liquid potassium hydroxide solution; a constant potential circuit is used for controlling constant oxidation potential to ensure that the atomic hydrogen permeated to a nickel-plated hydrogen collecting surface is oxidized; a high-energy battery is used for driving the sensor to work; output current signals are digitalized; a magnet fixed mount is adopted to fix the sensor on a nickel-plated or palladium-plated workpiece surface; and the measured steady-state hydrogen permeation current is used for representing the hydrogen permeation rate which serves as basic data for hydrogen-induced cracking risk assessment and judgment. The double-electrolyte digital sensor has the following advantages that: the design of the sensor is elaborate; the colloidal electrolyte is used for contacting the workpiece surface without liquid leakage; the flexibility of the sensor is high; the response speed is high; the test result is accurate; digital signals are output; and conveying interferences can be eliminated.

The invention discloses a 3D (three-dimensional) breathing mask and a manufacturing method thereof. The 3D breathing mask comprises a pedestal, an interlayer and a face mask, wherein the pedestal is inosculated with a human face; the pedestal is uniformly provided with a plurality of small holes; the interlayer is arranged between the pedestal and the face mask; a filtering membrane is placed in the interlayer; the face mask is buckled on the pedestal; the face mask is also provided with a plurality of small holes; the pedestal, the interlayer and the face mask are communicated with external air. The face is scanned to obtain facial data by using a 3D scanner and a CT (Computed Tomography) scanner; a facial image is captured and converted into a 3D data file; a pedestal model digital file is generated; corresponding 3D pedestal and breathing mask digital files are designed; the printing is carried out through a 3D printer; the interlayer is placed in the pedestal; the face mask is buckled on the pedestal; a lacing is fastened. The 3D breathing mask provided by the invention is fayed with the face type of a person; the problem of the side leakage of air is solved; the propagation of a PM2.5 (Particulate Matter 2.5) and a pathogen can be effectively defended; a faying area to facial skin can be enlarged; the comfortableness is improved; the disassembly is convenient; a membrane is convenient to replace.

The invention discloses a pipe and flange connection structure and a processing method thereof. The pipe and flange connection structure comprises a pipe (1) and a flange (2) sleeving the end of the pipe, the pipe (1) inside the flange (2) is provided with a convex ring (3) expanding outwards radially, the pipe (1) outside the flange (2) is provided with a flanging (4) expanding outwards radially, and the flange (4) is tightly pressed onto the convex ring (3) by the flanging (4). The pipe and flange connection structure is low in production cost, and the processing method of the pipe and flange connection structure is low in harms to bodies of operators, simple in manufacturing process and short in production cycle.

The invention belongs to a medical nursing device, in particular to an automatic excrement collecting device aiming at disabled patients. The device comprises a control system and an excrement collecting device, wherein the excrement collecting device having a C-shaped side comprises an upper portion, a side portion and a lower portion, which are respectively contacted with the human abdomen, the crotch and the hip; a concave cavity is arranged inside the excrement collecting device, the concave cavity is communicated with an excrement treatment pipe, the excrement collecting device is provided with a C-shaped self-adaptive integrated sealing pad at the part contacted with the human body, and the self-adaptive integrated sealing pad is provided with an upper U-shaped airbag at the upper part and a lower U-shaped airbag at the lower part. In the working process of the automatic excrement collecting device provided by the invention, a proper amount of air is filled through the upper and the lower airbags, so that the self-adaptive integrated sealing pad is tightly contacted with the patient to prevent lateral leakage of the excrement.

The invention belongs to equipment for pulverizing a metal ore rock material, which consists of a stander, high-pressure rollers, a universal transmission shaft, a retarder, a feeding adjustment device, a hydraulic control system, an electric control system and other main parts. Two sets of high-pressure roller devices are horizontally arranged on the stander in parallel; a driving mode of the equipment comprises that: a motor is connected with the high-pressure rollers through the retarder and the universal transmission shaft; each set of the high-pressure roller is provided with each independent drive device, wherein one set of the high-pressure roller is fixed; the other set of the high-pressure roller can slide in the horizontal direction; one side of a movable roller is provided with a pressure application hydro-cylinder; and two sides of the end face of the high-pressure roller are provided with self-adaptive floating side baffles. The pulverization equipment is high-efficiency, energy-saving and consumption-reducing and has remarkable economic benefit.

The invention discloses a preparation method and application of composite non-woven fabric. The composite non-woven fabric is prepared by laying a silk fiber net layer and a cotton fiber net layer through a spunlace process, wherein the silk layer is a straight laying net, and the pure cotton layer is a full cross laying net. According to the prepared composite non-woven fabric, the problems of tight combination, poor water absorption, low menstrual blood seepage speed, easiness in causing side leakage and the like when silk fibers are singly used and applied to the surface layer of a sanitarytowel are solved; and meanwhile, the problem that spunlace cloth made of degreased and bleached common cotton fibers is not soft and comfortable enough in texture is avoided. After the silk fibers are prepared into the sanitary towel, the silk layer is in contact with the skin, and the longitudinally arranged fibers are prone to longitudinal diffusion of menstrual blood and are not easy to leak laterally; and the pure cotton layer is in contact with a flow guide layer of the sanitary towel, so that the menstrual blood is easy to seep downwards and diffuse around, the safety and absorbabilityof the sanitary towel are enhanced, and the problem of menstrual blood side leakage is solved. Meanwhile, the indexes such as the absorption speed and the reverse osmosis amount of the sanitary towelmade of the composite non-woven fabric are obviously superior to those of sanitary towels made of other materials.

The invention provides a disposable spill prevention breast pad. The pad comprises an absorption body which can cover the wearer's breast, and match with the profile of the breast. A fixing device is used for fixing the absorption body. The absorption body comprises a hydrophilic surface layer, an impervious bottom layer and an absorption core layer located between the hydrophilic surface layer and the impervious bottom player. The absorption main body has a longitudinal length which follows the longitudinal orientation and a horizontal width which follows the horizontal orientation when being used. The longitudinal length orientation is consistent with the orientation of the height of a human body. The horizontal orientation is perpendicular to the longitudinal orientation. A longitudinal center line divides the pad into an inner part adjacent to the cleavage and an outer part away from the cleavage. The absorption body outer part which is away from the cleavage comprises a horizontally extended side edge part. The absorption core layer of the side edge part can completely cover the outermost edge close to the armpit in the horizontal orientation of the breast. The disposable spill prevention breast pad can effectively solve the side leakage problem caused by the improper body posture at night.

The invention relates to a stainless steel clad plate billet conticaster. It belongs to a continuous casting device in the art of metallurgical industry. The device can be characterized in that: it comprises three synchronous circulating mobile steel band crystallizers A, B and C, which are Y- type equipped, the lower cooling steel band 2 of crystallizer A being common with the right-side cooling steel 2c of the crystallizer C, and the lower cooling steel band 2b of crystallizer B being common with the left-side cooling steel 2d of the crystallizer C. After the strand being forged by from multigroup flexible guiders, multigroup steam- water spray devices and traction roller which are under the crystallizer C, the clad plate billet is aligned to horizontality by a blending guider and a smoothing roll, and then is sent to shearer to be sheared into a definite length or sent to continuous rolling mill to roll down. The merit is characterized in that: it improves the production efficiency of the conticaster, and guarantees the quality of strand and rolled metal.

The invention discloses a novel leakproof sanitary towel which comprises a towel body, side wings and a tail wing. The inner sides of the side wings are symmetrically arranged on the two sides of the towel body. The inner side of the tail wing is connected to the rear end of the towel body through the side wings. The outer sides of the side wings and the outer side of the tail wing are respectively provided with an elastic cord. The towel body comprises a middle area and a rear area. The two sides of the middle area are symmetrically provided with side leakproof strips in the length direction of the towel body. The rear area is provided with water locking grooves and rear leakproof strips. The water locking grooves are formed inside the rear leakproof strips. The rear leakproof strips are arranged at the position, 15 mm away from the rear end face of the towel body, of the towel body. In this way, according to the novel leakproof sanitary towel, the water locking grooves have the function of locking menstrual blood, the leakproof strips and the elastic type protecting wings have the dual three-dimensional leakproof function, and the problems of side leakage and rear leakage of menstrual blood are effectively solved.

The invention belongs to equipment for pulverizing a metal ore rock material, which consists of a stander, high-pressure rollers, a universal transmission shaft, a retarder, a feeding adjustment device, a hydraulic control system, an electric control system and other main parts. Two sets of high-pressure roller devices are horizontally arranged on the stander in parallel; a driving mode of the equipment comprises that: a motor is connected with the high-pressure rollers through the retarder and the universal transmission shaft; each set of the high-pressure roller is provided with each independent drive device, wherein one set of the high-pressure roller is fixed; the other set of the high-pressure roller can slide in the horizontal direction; one side of a movable roller is provided witha pressure application hydro-cylinder; and two sides of the end face of the high-pressure roller are provided with self-adaptive floating side baffles. The pulverization equipment is high-efficiency,energy-saving and consumption-reducing and has remarkable economic benefit.

The invention relates to a carriage side leakage preventing device for a self-dumping semitrailer and a using method of the carriage side leakage preventing device. The carriage side leakage preventing device comprises a vehicle head and a carriage; an automatic telescopic tent is arranged at the top end of the carriage; vertical rods are fixedly connected to the outer side of the automatic telescopic tent; first limiting switches are fixedly connected to the positions, close to the tail of the carriage, of the upper portions of the two sides of the carriage; second limiting switches are fixedly connected to the positions, located at the front end of the carriage, of the inner sides of the first limiting switches; supporting rods are fixedly connected to the upper portion of the left side of the carriage; a baffle is fixedly connected to the upper portions of the supporting rods; a fixing block is arranged on the upper portion of the interior of the carriage; and an electric telescopic rod is fixedly connected to the lower portion of the fixing block through a connecting plate. According to the carriage side leakage preventing device for the self-dumping semitrailer, through the above structure, the problem of environment pollution in the transportation process of sandy soil due to side leakage of the sandy soil because of jolting can be solved. Compared with an existing side leakage preventing device, the carriage side leakage preventing device is better in leakage prevention effect and is more convenient in operation.

A composite sanitary napkin with liquid guiding-retaining function has a liquid penetrating top layer, an air-permeable bottom layer without liquid penetration, a hydroscopic core between said top layer and bottom layer, and optional liquid retaining layer. Its advantage is no leakage.

The invention discloses a novel integrated light return lamp trough type curtain box which comprises a lamp tube (4), a curtain box body (6), a shutter blind (9) and a corner connecting part (10). One side of the outside of the curtain box body (6) is connected with a bottom light reflecting sheet (2), a lamp tube base (3) is arranged on the bottom light reflecting sheet (2), and the lamp tube (4) is installed on the lamp tube base (3). A base plate (8) is installed on the upper bottom face of the inside of the curtain box body (6), and side plates (12) are installed on two sides of the inside of the curtain box body (6). A screw hole (11) is formed in the corner connecting part (10), one side of the corner connecting part (10) is connected with the curtain box body (6), and the other side of the corner connecting part (10) is connected with a wall shelf. The shutter blind (9) is arranged in the curtain box body (6). The novel integrated light return lamp trough type curtain box improves the working efficiency, is convenient to install without welding or pre-drilling, meanwhile can be installed in a modular mode, can be conveniently dismounted and replaced and is convenient to maintain.

The invention discloses an antibacterial sanitary napkin, which comprises a non-woven fabric layer, a multi-functional chip layer, a first air-laid paper, a polymer absorbent paper, a second air-laid paper and a breathable PE film, wherein the multi-functional chip layer is coated with a bactericidal peptide layer. The sanitary napkin has an effect of killing bacteria in a short time. The product has the advantages of low cost and good effects and is worthy of large scale popularization and use.

The invention provides an absorptive article which is longitudinally long in shape. The absorptive article comprises an anti-leak layer preventing liquid permeation and an absorption layer which is arranged over the anti-leak layer and can retain liquid. The absorption layer comprises an absorption body capable of retaining liquid and a surface layer which is arranged over the absorption body and allows liquid permeation. The middle portion of the absorption body is provided with a groove. The absorptive article can rapidly absorb excretion matter and prevent reverse permeation, thereby solving the problem of side leak.

The invention relates to the field of environmental protection equipment, and specially relates to a sealing apparatus for end faces of a center rotary drum used for a pressed-film type sludge drier. According to the sealing apparatus for the end faces of the rotary drum, driving oil cylinders are fixedly disposed on supporting bearing pedestals at two sides of the center rotary drum; the protrude end of each driving oil cylinder is fixedly connected with a pull bar with a Y-shaped structure; each branching end of the Y-shaped pull bar is provided with a guide wheel disposed in a sliding sleeve; each sliding sleeve is fixedly connected with one end of a pressure bar mechanism, and the other end of the pressure bar mechanism is fixedly connected with a slide plate; the slide plate is fixedly connected with a sealing plate; and the slide plate can have radical slide along the center rotary drum through a guide groove disposed at the end face of the center rotary drum. Through the pull bar mechanism, the sealing plate is driven to seal the work face of the rotary drum, so that the edge-leakage problem during a sludge pressing process is effectively prevented. Through occlusions of a center rotary drum surface labyrinth and a pressure roller surface labyrinth to a filtering belt, the frictional forces of the rotary drum and the pressure roller to the filtering belt are increased, and the filtering belt sideslip phenomenon caused by skid is prevented.

The invention discloses a discontinuous type SMS melt spun nonwoven material and a preparation method thereof. The nonwoven material comprises an upper first spun-bonded fibre web, a lower second spun-bonded fibre web and a first melt-blown fibre web, wherein the first melt-blown fibre web contains a plurality of melt-blown fibre webs with small breadth, and the melt-blown fibre webs with small breadth are discontinuously distributed between the first spun-bonded fibre web and the second spun-bonded fibre web. The spun-bonded nonwoven material of the invention has the special multi-layer structure with the spun-bonded fibre webs (S) and the melt-blown fibre web (M) and can be freely cut into multiple pieces with small breadth along the transverse breadth direction; when used in hygienic products such as personal care diapers and sanitary towels, leak guards with SMS nonwoven structure can be formed on both sides of the hygienic products, thus solving the lateral leakage problem of products; and the defects of the existing technology that the adhesive technology is used to cause adhesive leakage, the process is complex, the cost is high, the product quality is not stable, etc.

Provided is an environment-friendly crutch-type waste disposer. A movable paw control hand brake (2) and a bedpan control hand brake (3) are arranged on a handle (1), a telescopic walking stick rod (6) comprises three sections of hollow tubes with threads at two ends, a movable paw steel wire stay cord (4) and a bedpan steel wire stay cord (5) are arranged in each tube, the upper end of the paw steel wire stay cord (4) is connected with the movable paw control hand brake (2), and the lower end of the bedpan steel wire stay cord (4) is connected with a movable paw (11). The upper end of the bedpan steel wire stay cord (5) is connected with the bedpan control hand brake (3), and the lower end of the bedpan steel wire stay cord (5) is connected with a bedpan (12). The upper end of the telescopic walking stick rod (6) is connected with the lower end of the handle (1) through a rotating shaft with a thread head, and the lower end of the telescopic walking stick rod (6) is fixedly connected with a support (7). The support (7) is connected with the bedpan support (8) by a cylindrical pin through a long round groove, the tail end of the telescopic walking stick rod (6) is connected with a picking paw (9) through bend threads, and a night soil collection bag (13) and a water bag (14) are arranged in the bedpan (12).

The invention discloses a pipe and flange connection structure and a processing method thereof. The pipe and flange connection structure comprises a pipe (1) and a flange (2) sleeving the end of the pipe, the pipe (1) inside the flange (2) is provided with a convex ring (3) expanding outwards radially, the pipe (1) outside the flange (2) is provided with a flanging (4) expanding outwards radially, and the flange (4) is tightly pressed onto the convex ring (3) by the flanging (4). The pipe and flange connection structure is low in production cost, and the processing method of the pipe and flange connection structure is low in harms to bodies of operators, simple in manufacturing process and short in production cycle.