30results about How to "Prevent static buildup" patented technology

The invention relates to the field of non-woven fabrics, in particular to a medical antibacterial non-woven fabric and a preparation method thereof.The medical antibacterial non-woven fabric is characterized in that an SMS non-woven fabric is soaked in a composite finishing liquid, after-finishing is conducted through a two-soaking and two-rolling process, and the problem that dust, germs and other fine substances in air are adsorbed due to the electrostatic interaction caused by poor moisture absorption performance of existing non-woven fabrics is solved; in addition, the hydrogel has good biocompatibility and antibacterial performance; the composite finishing liquid is prepared from the following raw materials in parts by weight: 15 to 18 parts of dimethylol dihydroxy ethylene urea resin, 3 to 4 parts of composite microspheres, 6 to 8 parts of composite cellulose, 2.5 to 3 parts of magnesium chloride, 0.2 to 0.5 part of fatty alcohol-polyoxyethylene ether and 100 parts of water.

The utility model relates to the technical field of static electricity removing equipment, in particular to a waste liquid treatment device with a static electricity removing function, which comprises a liquid guide box, a static electricity removing box and a pipe clamp. The device is simple and compact in structural design, static electricity in waste liquid generated by the suppressor can be removed, meanwhile, the safety risk of explosion caused by hydrogen, oxygen and accumulated static electricity in gas is avoided, and the device has excellent practical performance in the technical field of ion chromatography detection. And a magnet is arranged on the outer side wall of the liquid guide box, so that assembly and installation are convenient, and the applicability is better. The pipe clamp and the static electricity eliminating box which are made of metal materials are used in cooperation with the grounding wire, so that charges in waste liquid can be eliminated, and static electricity possibly carried on a waste liquid pipe or a gas pipe can also be eliminated; and the liquid guide box made of an insulating material surrounds the outer sides of the static electricity eliminating box and the pipe clamp, so that a blocking effect is achieved, static electricity is prevented from being introduced into the pipe clamp again, and the static electricity eliminating effect is better.

The invention discloses a flame-retardant antistatic rubber material for a conveying belt and a preparation method of the flame-retardant antistatic rubber material, and relates to the technical field of rubber materials. The rubber material is prepared from the following components: 40-80 parts of chloroprene rubber, 10-40 parts of butadiene rubber, 10-30 parts of high styrene rubber, 20-40 parts of a reinforcing agent, 15-30 parts of an antistatic agent, 10-30 parts of aluminum hydroxide, 10-20 parts of a modified flame retardant, 5-10 parts of polyethylene fibers, 5-10 parts of zinc stearate, 3-6 parts of a coupling agent, 4-8 parts of a vulcanizing agent, 1-3 parts of an accelerant and 1-3 parts of an anti-aging agent. Basic performance is provided through a compounding system of three kinds of rubber, the mechanical performance is improved by adopting an attapulgite-carbon black compounding reinforcing system, and the antistatic and flame-retardant functions are achieved in combination with the antistatic agent and the specially-made modified flame retardant.

The invention discloses an anti-static and anti-abnormal-sound coating for a durable automobile sealing strip and a preparation method of the anti-static and anti-abnormal-sound coating in the field of functional coating materials. The coating is prepared from hydroxy acrylic resin, two special functional fillers, auxiliaries and a solvent. Wherein the vinyl functionalized polypyrrole-silver nanowire hybrid conductive fiber provides a lasting static dissipation path, and the epoxy siloxane grafted perfluoropolyether solid lubricating particles provide long-acting lubrication through chemical bonding so as to eliminate abnormal sound. When the coating is prepared, the resin and the adhesion promoter are dissolved in the mixed solvent to form a resin liquid, then the two functional fillers and the lubricating additive are added after being pre-dispersed, and finally the mixture and the cross-linking agent are mixed and cured. The coating is firmly attached to the surface of the sealing strip through chemical bonding and endows the sealing strip with stable and lasting anti-static, noise-reducing and wear-resisting performance, and the process is simple and convenient and suitable for large-scale production.

The utility model provides an anti-static device for coal mine electrical equipment, and belongs to the technical field of static prevention and control. Comprising a main arm, clamping plates are arranged at the two ends of the main arm, an adjusting assembly for adjusting the distance between the clamping plates is arranged on the main arm, the clamping plates are distributed towards the side of the main arm, a conductive plate is fixed to the face, facing the clamping plates, of the main arm, a conductive piece is vertically arranged on the main arm and makes contact with the conductive plate, and the conductive piece is movably assembled on the main arm. The conducting strip is in sliding contact with the conducting plate, and the main arm is provided with a pressing piece for adjusting the height of the conducting strip. According to the utility model, a conductive path is formed between the electrical equipment and the ground or the wall surface, so that static charges on the surface of the electrical equipment can be quickly guided into the ground, static accumulation is avoided, the safety of the equipment and personnel is protected, the flexibility and the adaptability are higher, a clamping assembly mode is adopted, the assembly and disassembly are easy, and the repeated utilization can be realized.

The utility model discloses a kind of explosion-proof fan, including the casing of three-layer composite explosion-proof resin material and wind wheel, wherein outer layer carbon nanotube PEEK composite material effectively leads out static electricity, middle aluminium hydroxide flame-retardant layer prevents flame spread, inner layer ultra-high molecular weight polyethylene reduces friction spark risk.Electrostatic belt can effectively eliminate static electricity accumulation in transmission process, avoid static spark, improve explosion-proof safety.Fan is equipped with rotary electrostatic brush and ground copper wire to eliminate static electricity, and fire barrier is configured at air inlet to prevent flame propagation.Wind wheel blade is provided with tungsten-containing wear-resistant coating and zircon ceramic wear-resistant strip to avoid friction spark.Explosion-proof motor is built-in temperature sensor and vibration sensor, and stator winding adopts arc-resistant enameled wire.The utility model solves the problem of heavy weight and single protection of traditional fan through multiple explosion-proof design, with the characteristics of lightweight, superior explosion-proof performance, stable and reliable operation, especially suitable for flammable and explosive places such as petroleum and chemical industry.

An embodiment of the present invention provides a display module and a display device, wherein the display module includes a display substrate and a heat dissipation composite layer arranged on a side of the display substrate away from the display side of the display substrate, wherein the heat dissipation composite layer includes a first adhesive layer stacked on a side of the display substrate away from the display side of the display substrate and a heat dissipation layer arranged on a side of the first adhesive layer away from the display substrate, wherein the first adhesive layer is a conductive adhesive layer, and the heat dissipation layer is a conductive material, and the first adhesive layer connects the display substrate to the heat dissipation layer; the problem of static electricity accumulation affecting the display effect of the display module is solved.

The utility model discloses a grinding and canning device for musk T production, and relates to the technical field of canning devices, the grinding and canning device comprises a processing table, the lower end of the processing table is fixedly connected with a supporting frame, and a lifting table is arranged on the inner side of the processing table. According to the grinding and canning device for musk T production, a material can is conveyed to the lifting table, the lifting air cylinder pushes the lifting table to move upwards, the can opening and the butt joint are in butt joint, the can opening and the sealing gasket are attached, the sealing effect during filling is guaranteed, powdery materials are prevented from leaking into the working environment, meanwhile, during discharging, the sealing effect is good, and the working efficiency is improved. The driving motor is used for driving the transmission rod to rotate, the spiral blade rotates to push powder to be discharged from the discharging pipe, the discharging flow speed is conveniently controlled, a junction box is matched, the canning device is externally connected with a grounding device, static electricity accumulation is avoided, the transmission rod synchronously drives the scraper to rotate, the inner wall of the storage tank is cleaned, the powder is prevented from being adsorbed on the inner wall, and the service life of the storage tank is prolonged. Therefore, the practicability is improved.

The utility model discloses a combined circuit board plugboard rack, including main part, taking mechanism and classification mechanism, taking mechanism includes spring, rotating piece, fixture block, sliding plate, connecting rope and auxiliary component, the auxiliary component includes closing plate, base and roller, the classification mechanism includes mounting rack, screw, top plate, placing rack and fixed plate, under the mutual matching action of the mechanisms, the device simplifies the taking process, reduces the risk of circuit board damage caused by misoperation (such as overexertion or staggered insertion), has a convenient taking function, and can ensure the stability and integrity of the circuit board; according to the device, circuit boards can be stored in a classified mode according to different types, functions or purposes, the searching time is shortened, the circuit boards can be prevented from being disordered through classified storage, and therefore the orderliness of management and operation is improved.

The invention relates to the technical field of printing machine collecting and discharging, and discloses a gravure printing machine static elimination auxiliary collecting and discharging mechanism which comprises a main beam, auxiliary beams are fixedly connected to the upper side and the lower side of the main beam, a rotating shaft is rotationally connected to the inner surface of the main beam, and a discharging roller is in transmission connection with the circumferential face of the rotating shaft through a spline. According to the material receiving device, the material receiving upper half roller and the material receiving lower half roller are maintained and replaced after being separated, and the situation that the material receiving efficiency is reduced due to the fact that the material receiving upper half roller and the material receiving lower half roller are aged after being used for a long time is avoided; after the ion wind bar is started, static electricity of the mechanism is removed through the through holes formed in the upper half material collecting roller and the lower half material collecting roller, and the situation that the paper is affected by static electricity in the material collecting and discharging process, and consequently the phenomena of burrs, through printing, floating, stripes and the like occur, and the printing quality is reduced is avoided.

The photovoltaic lightning protection combiner box comprises a photovoltaic lightning protection combiner box body, the lower surface of the photovoltaic lightning protection combiner box body is uniformly and fixedly connected with a plurality of supporting legs, the upper surface of the photovoltaic lightning protection combiner box body is connected with a lightning arrester through a bolt, and drainage channels are formed in the two side walls of the photovoltaic lightning protection combiner box body. The two sides of the outer wall of the photovoltaic lightning protection combiner box body are uniformly provided with a plurality of outer ventilation holes communicated with the drainage channel, and the two sides of the inner wall of the photovoltaic lightning protection combiner box body are uniformly provided with a plurality of inner ventilation holes communicated with the drainage channel. According to the scheme, when the photovoltaic lightning protection combiner box is used, the drainage channels are matched with the ventilation holes and the inner ventilation holes, a certain heat dissipation effect can be achieved on electric elements installed in the photovoltaic lightning protection combiner box body, and rainwater entering through the outer ventilation holes can be shielded and limited through the rainproof mechanism in rainy days; therefore, rainwater is prevented from entering the photovoltaic lightning protection combiner box body through the inner ventilation holes as much as possible.

The utility model relates to textile pipe winding technology field, and disclose a kind of conical textile pipe winding, including pipe winding body, the bottom surface of pipe winding body is fixedly arranged with lower reinforcing ring, the top surface of pipe winding body is fixedly arranged with upper reinforcing ring, the inner wall of pipe winding body is equipped with cavity, the inside of cavity is fixedly arranged with reinforcing rib, the surface of pipe winding body is fixedly arranged with antiskid layer, the surface of antiskid layer is coated with composite coating group, the surface of pipe winding body is equipped with spiral heat dissipation channel, the top of pipe winding body is clamped with top cover, and the inside one side of top cover is fixedly installed with tensioning assembly. The conical textile pipe winding, by the setting of composite coating group, antiskid layer and nanometer ceramic particle coating can increase the friction between yarn and pipe winding body, and it is not easy to slip off when winding yarn, and the winding of yarn is facilitated, ultra-thin carbon nanotube coating can eliminate static electricity, avoid the static electricity accumulation generated by friction when high-speed winding yarn.

The invention discloses an antistatic dry film protective film and a preparation method thereof, and relates to the technical field of dry film protective films.The dry film protective film is formed by compounding a matt finish layer, an adhesion layer and a core layer, and the core layer is located between the matt finish layer and the adhesion layer; the core layer is prepared from the following components in parts by weight: 60-80 parts of co-polypropylene, 18-40 parts of a polyolefin elastomer and 3-10 parts of a composite antistatic agent; according to the prepared dry film protective film, static electricity accumulation is effectively reduced, the overall performance of the protective film is improved, the protective film has better dustproof and anti-scratching capacity and stable binding power and peelability, the service life of the protective film is prolonged, and the efficiency and quality of the follow-up machining process are improved.

The application discloses a kind of high-strength anti-static PE films for electronic product packaging, belongs to polyethylene film manufacturing technical field, including PE film, film outer layer, film middle layer, film inner layer, film middle layer, film outer layer are sequentially arranged along the thickness direction of PE film;PE film is made and includes the following steps: S1, heating to obtain outer layer melt;S2, heating to obtain middle layer melt;S3, heating to obtain core layer melt and skin layer melt;S4, outer layer melt and middle layer melt are co-extrusion blown into film cylinder, while core layer melt and skin layer melt are extruded to form several skin-core fibers and sprayed on the inner wall of film cylinder;S5, after film cylinder is pressed and stacked flat, heat and laminate, cool to obtain PE film;The PE film of the application has anti-static performance by adding anti-static additives, and the internal core layer fiber is used as a skeleton structure, which has better mechanical strength, and improves the protection effect of PE film on electronic products.

The utility model relates to the technical field of brightness enhancement film quantitative cutting devices, in particular to a quantitative cutting device for brightness enhancement film processing, which comprises a power source, a bottom plate, a cutting knife and an upper cover, and further comprises a plurality of strip-shaped nozzles, a plurality of mounting grooves and two sliding holes A are arranged on the upper side of the bottom plate, and the strip-shaped nozzles are mounted on the inner sides of the mounting grooves. An electrostatic adsorption block A and an electrostatic adsorption block B slide on the inner side of the sliding hole A; a driving plate is connected to the right side of the lifting plate, supporting plates A are arranged on the front side and the rear side of the lifting plate, supporting plates B are arranged on the front side and the rear side of the driving plate, and the supporting plates A and the supporting plates B are connected; a connecting part; a processing unit; and a linkage unit. By arranging the cutting knife, the lifting plate, the electrostatic adsorption block A, the processing unit and the linkage unit and overlapping movement and cutting actions, space-time coupling of movement and cutting is achieved, the intermittent time during processing is shortened, and cooperative improvement of precision, efficiency and yield is achieved in bright enhancement film processing.

The present invention relates to the technical field of pipeline material production, and in particular to a heat-insulating HDPE pipeline material and production equipment. Technical problem: HDPE pipelines are prone to generate static electricity, which may cause the inner wall of the pipeline to absorb particles or powders in the liquid, affecting the material transportation efficiency. The production steps of the heat-insulating HDPE pipeline are as follows: Step 1: Put high-density polyethylene resin, antioxidant, UV stabilizer, pigment, lubricant and flame retardant into a stirring kettle and stir until mixed; Step 2: Put the mixed material into an extruder, further stir and melt the material through the extruder, and then extrude to form an HDPE pipeline and cool it; Step 3: Use an adhesive to bond the polyurethane insulation layer to the outer protective layer of the HDPE pipeline in step 2. The present invention reduces the surface resistivity of the HDPE pipeline and accelerates the dissipation of static charge by adding an antistatic agent to the middle of the high-density polyethylene resin, thereby effectively preventing the accumulation of static electricity and the occurrence of static electricity discharge.

The invention relates to the technical field of food processing, and discloses a collagen solid beverage formula and a production technology, and the solid beverage comprises the following components: cod collagen peptide; inulin; blood orange powder; acerola cherry powder; gamma-aminobutyric acid; skipjack elastin peptide; blueberry powder; sodium hyaluronate; the production process comprises the following steps: sieving the raw materials for later use; the preparation method comprises the following steps: firstly, mixing part of cod collagen peptide with total amount of gamma-aminobutyric acid, skipjack elastin peptide, blueberry powder, sodium hyaluronate and food essence to obtain a first-grade mixture, then uniformly mixing the first-grade mixture with the remaining cod collagen peptide, total amount of inulin, blood orange powder and acerola cherry powder, and finally, performing metal detection and nitrogen-filled packaging to obtain a finished product. Through a mixing process, the moisture absorption agglomeration risk of the high-hygroscopicity raw material is reduced, the problem of uneven mixing of trace active ingredients is solved, and the obtained product is quick to dissolve, good in dispersity and uniform in nutritional ingredient.

The utility model relates to 3C communication equipment parts technical field, concretely, relates to a 3C communication steel sheet of antistatic, including steel sheet base body, a plurality of mini -type convexes for increasing surface area are provided on the surface of steel sheet base body, the outer surface of steel sheet base body is provided with antistatic layer, and the antistatic layer includes the conductive transition layer set up on the outer surface of steel sheet base body, the outer surface of conductive transition layer is provided with antistatic coating, and the outer surface of antistatic coating is provided with wear -resistant protective layer, still including the communication equipment shell for installing steel sheet base body, a plurality of heat dissipation holes are provided on the side plate body of communication equipment shell, and the fixed mounting of another side plate body of communication equipment shell has the air inlet pipe, is provided with static electricity eliminator on air inlet pipe, and the fan is fixedly installed in air inlet pipe. The utility model has the effect of antistatic protection, avoids the signal transmission problem and electronic component damage due to static electricity.

The invention provides an LED lamp production welding tool with a protection structure, and belongs to the technical field of LED lamp production, a movable table is slidably connected with a main body plate, a supporting table is provided with a plurality of groups of first sliding rails and second sliding rails which are respectively arranged on the movable table to form movable sliding rails, and the movable sliding rails are slidably connected with a first positioning assembly and a second positioning assembly; the circuit board and the connecting line are clamped in the first positioning assembly and the second positioning assembly respectively, the protective cover and the main body plate are connected to form a protective cavity, and the welding machine is installed on the main body plate. A suction removal assembly is arranged on the protective cover, the electrostatic purifier above the main body plate is connected with the air storage box and the suction removal assembly, and an anti-static rubber pad is further laid on the surface of the main body plate. According to the tool, waste gas generated during welding can be sucked into the electrostatic purifier through the suction removal assembly, the waste gas can be primarily treated through the electrostatic purifier and temporarily stored in the gas storage box to wait for next-step treatment, random diffusion of the waste gas is effectively avoided, and the working environment is improved.

The pipeline rigid connection joint with the self-locking function is composed of a first pipe sleeve, a lap joint wire, a gasket, a sealing ring, a sleeve, a lantern ring, a wave spring, a check ring and a second pipe sleeve, an annular boss is arranged on the outer side of one end of the first pipe sleeve, an annular sealing groove is formed in the annular boss in the mode of being perpendicular to the axis, and the sealing ring is arranged in the annular sealing groove; an anti-loose tooth groove is formed in the outer side of a first annular protrusion in the middle of the second pipe sleeve, a step is arranged at the end, close to the external thread, of the inner side of the first annular protrusion, the annular boss end of the first pipe sleeve is inserted into the step end of the second pipe sleeve, the first pipe sleeve and the second pipe sleeve are communicated with each other, a second annular groove is formed in the inner wall of the gasket, and the lap joint wire is arranged in the annular groove. The internal threads and the external threads are connected in a threaded fit mode, the wave spring provides pre-tightening force between the teeth and the grooves, so that the connector still does not loosen under the complex mechanical environment on a machine, and the connector is easy to mount and dismount, convenient to use and maintain and high in structural strength and has the functions of self-locking, rigid connection, electric lap joint and the like.

The utility model discloses a kind of anti-static filter bag support, it is related to anti-static filter bag field, including fixed mounting plate, mounting lug seat and support ring, the quantity of fixed mounting plate is two, the mounting lug seat is integrally formed in the front end of fixed mounting plate, the support ring is located in the middle of two mounting lug seats, the side of mounting lug seat is threadedly installed with adjusting installation knob. The utility model can adjust the left and right positions and use angle of support ring, so that the support can be quickly adapted to different installation space, avoid the deformation or static electricity accumulation of filter bag due to position deviation, automatic opening mechanism ensures that filter bag does not collapse in use, reduces the generation of frictional electrostatic, filter bag is outwardly pried open after installation, maintains stable airflow distribution, reduces electrostatic discharge risk, simultaneously through the setting of lifting installation structure, lifting sleeve ring slides along extension mounting rod, fastens position by positioning knob, can freely adjust the height of filter bag mounting plate according to filter bag size.

The present invention relates to the field of functional coatings, and the present invention discloses a conductive coating and a preparation method thereof. The conductive coating provided by the present invention comprises: a filler component A, a base material component B, an auxiliary agent C and deionized water, and in parts by weight: the filler component A comprises: 30-60 parts of modified polyaniline, 20-40 parts of conductive barium sulfate; the base material component B comprises: 400-600 parts of modified acrylic resin; the auxiliary agent C comprises: 20-40 parts of curing agent, 5-10 parts of wetting agent, 1-5 parts of dispersant, 1-5 parts of defoaming agent, and 1-5 parts of thickener. The conductive coating prepared by the present invention using modified polyaniline and other components as conductive fillers and modified acrylic resin as base material has good conductive properties and electromagnetic shielding effect, and has a wide range of applications.

The invention relates to the technical field of adhesive tapes, in particular to an anti-static adhesive tape for electronic materials and a preparation method of the anti-static adhesive tape. The prepared adhesive tape comprises a release film layer, an adhesive layer, an anti-static coating and a base material film layer from top to bottom. The anti-static coating is located between the base material film layer and the adhesive layer, and the base material film layer is bonded with the release film through the adhesive layer. Aiming at the special requirements of low adhesion and high anti-static performance of an electronic component on the protective film in the use process, accurate regulation and control of stripping force and surface resistance are realized by optimizing the ratio of a cross-linking agent to an anti-static agent in the adhesive layer; meanwhile, the problems that a traditional anti-static adhesive tape is too high in stripping force and sensitive elements are prone to being damaged are effectively solved, and the strict requirement of electronic materials for electrostatic protection is met.

The utility model relates to the technical field of automobile parts, and discloses a heating combined carpet which comprises a carpet body, the carpet body comprises a fluff layer, an antistatic layer, a waterproof layer, a heat conduction layer and a wear-resistant layer, a heating wire is fixedly arranged in the carpet body, and a plurality of fixing nails are fixedly arranged at the position, close to the upper end, in the carpet body. The carpet integrates various materials, the fluff layer is fine, soft and excellent in touch feeling, the anti-static layer can effectively block static accumulation, the waterproof layer can effectively resist moisture invasion and keep the carpet dry and comfortable, the heat conduction layer can disperse heat generated by the heating wire, the temperature of the carpet is evenly increased, the abrasion-resistant layer has excellent abrasion resistance, and the carpet is comfortable to wear. Therefore, the carpet has the functions of keeping warm, resisting static electricity, preventing water, conducting heat and resisting abrasion, the use experience of a user is improved, the layers of the carpet can be tightly connected through the fixing nails, the phenomena of loosening and separating of the layers are avoided, and the durability is improved.

The invention discloses a vehicle static electricity eliminating device in the technical field of vehicle static electricity elimination, which comprises a supporting seat, a static electricity eliminating shaft is slidably arranged on the supporting seat, a conductive head is arranged at one end, far away from the supporting seat, of the static electricity eliminating shaft, a spring sleeves the static electricity eliminating shaft, and two ends of the spring respectively abut against the conductive head and the supporting seat. A pressure sensor is arranged between the spring and the supporting seat; a first conductive block is arranged at one end, far away from the conductive head, of the static eliminating shaft; a second conductive block is arranged at a position, corresponding to the first conductive block, of the supporting seat; a driving part is arranged on one side, away from the conductive head, of the supporting seat; the driving end of the driving part is connected with the supporting seat; the first conductive block is electrically connected with an electrostatic transmission wire, and the electrostatic transmission wire is connected with an electric conduction induction piece and a grounding wire, so that the automation degree of vehicle electrostatic elimination operation and the use convenience are improved, the management risk that the electrostatic elimination process cannot be monitored in real time is reduced, electrostatic accumulation is effectively avoided, and the vehicle safety is improved. And safety and stability of the loading and unloading operation environment are ensured.

The application relates to the technical field of energy storage vehicles, and discloses a mobile energy storage vehicle integrated with an intelligent fire extinguishing system, which comprises an energy storage vehicle body, a rear part of the energy storage vehicle body, a support frame fixedly connected to the inner wall bottom surface of the rear part, a cable winch rotatably connected to the inner surface of the support frame, the cable winch being used for accommodating a cable, and a charging pile fixedly connected to the inner wall bottom surface of the energy storage vehicle body. In the application, the cable winch is rotated when the cable is stretched, so that the cable is prevented from being wound and damaged, the charging gun is conveniently moved to a position requiring charging, when a detection sensor detects a danger, a signal is transmitted to an alarm to perform alarming, and the signal is simultaneously transmitted to an intelligent fire extinguisher, the intelligent fire extinguisher opens an internal valve and sprays dry powder after receiving the signal, and the fire extinguishing effect of the device is improved.

The invention relates to a carding machine web quality detection system, which comprises a dielectric plate, an upper surface of which is a smooth convex arc surface; the airflow generating mechanism is used for generating high-speed wall-attached airflow in the tangential direction of the smooth convex cambered surface; the acousto-optic fusion detection module comprises an optical imaging assembly arranged above the dielectric plate and an acoustic emission sensing array attached to the non-contact surface of the dielectric plate; the central control module is respectively connected with the optical imaging assembly and the acoustic emission sensing array and is configured to execute the following detection logics: the optical imaging assembly acquires a web image to identify visible defects, and the acoustic emission sensing array captures stress wave signals generated when hard impurities in the web collide with a dielectric plate under the pressure of wall-attached airflow; and the central control module performs space-time alignment on the image defect coordinates and the stress wave source signal coordinates to generate a web quality distribution diagram. High-speed wall-attached airflow is generated through the variable-curvature dielectric plate, the web is forcibly flattened to eliminate high-speed shaking, and the detection precision is remarkably improved.

The utility model relates to a PE granule pneumatic compounding and sending system, including compounding material pipe, conveying PE granule, separating filter device, including connecting negative pressure chamber of compounding material pipe, connecting separator of negative pressure chamber and connecting filter of separator, feeding pipe, connecting negative pressure chamber and filter simultaneously, be provided with exchanger on feeding pipe, exchanger is close to the feeding pipe of one end of separating filter device first pipe body, the feeding pipe of exchanger is away from one end of separating filter device second pipe body, wherein, compounding material pipe and separating filter device set up at least two groups, correspondingly, the feeding pipe sets up at least two, all feeding pipe connects an exchanger, drives exchanger, switches the first pipe body and connects different second pipe body. The utility model discloses through setting up multiple groups of compounding material pipe, promotes the speed and overall working efficiency of blow molding machine replacement raw material.

The invention relates to the technical field of safe operation of boilers, and discloses an air-powder mixer for optimizing auxiliary air distribution of a coal pulverizing system, the air-powder mixer comprises an air conveying channel and a blanking pipe, the side part of the air conveying channel is communicated with an air-powder encountering channel, the side part of the air-powder encountering channel is communicated with an air-powder mixing channel, and the blanking pipe is communicated with an air inlet of the air-powder mixing channel. The top of the air and powder meeting channel communicates with the bottom of the discharging pipe, a turbulent flow mechanism is arranged on the inner wall of the air and powder mixing channel, an auxiliary air mechanism is arranged on the outer side of the air and powder meeting channel, a pulverized coal collecting mechanism is arranged on the outer side of the air and powder meeting channel, and a static electricity eliminating mechanism is arranged on the outer side of the air and powder meeting channel. The end, close to the wind-powder meeting channel, of the wind-powder mixing channel is large in opening, and the end, away from the wind-powder meeting channel, of the wind-powder mixing channel is small in opening. Through the large opening end of the air-powder mixing channel, the air-powder mixture can be fully diffused when initially entering the air-powder mixing channel, and more air powder can participate in the early-stage full contact and mixing process in cooperation with the mixing effect of the spoiler.