52results about How to "Not affected" patented technology

The invention provides antibacterial and mildew-proof corrugated paper and a preparation method thereof, and belongs to the technical field of packaging materials. According to the corrugated paper, the efficient antibacterial agent is doped into the paper base material, and the paper base material is packaged through a microcapsule technology, so that uniform distribution and long-acting release of the antibacterial agent in the paper are ensured. The preparation process comprises the steps of paper pulp preparation, antibacterial agent preparation, raw paper preparation, antibacterial protection layer coating, corrugated paper forming and the like. The antibacterial and mildewproof corrugated paper has excellent antibacterial and mildewproof effects, can keep good physical properties, is suitable for packaging products such as food, medicines and cosmetics with strict requirements on sanitary conditions, effectively prevents microbial contamination and guarantees product quality and safety.

The invention belongs to the field of flaw detection, and particularly relates to a preventive inspection and maintenance method, system and equipment based on airport apron high-value special vehicles and unpowered guarantee equipment. The objective of the invention is to solve the problems of poor detection accuracy in a severe environment, difficulty in signal receiving caused by strong noise interference, and influence on detection accuracy when a complex material structure is processed. The method comprises the following steps: manufacturing a flaw detection probe based on an included angle and a thickness between a piezoelectric wafer and the bottom surface of a wedge block, integrating a temperature sensor and a humidity sensor, detecting equipment to be detected by using the flaw detection probe, carrying out filtering processing on a signal, compensating an ultrasonic propagation speed and attenuation of an ultrasonic signal, and obtaining damage data. And extracting problem feature data, obtaining a damage classification result and a damage degree result, and maintaining the to-be-detected equipment. According to the invention, the ultrasonic detection precision is improved, the environmental adaptability is enhanced, the maintenance cost is reduced, the maintenance process is optimized, and the safety of personnel and aircrafts is guaranteed.

The invention belongs to the field of genetic breeding, and relates to cultivation of powdery mildew resistant wheat. The invention provides a detectable molecular marker for tracking a powdery mildew-resistant gene PmDR144 and application of the detectable molecular marker in disease-resistant breeding. The molecular marker comprises an upstream primer HENU624-F and a downstream primer HENU624-R, the nucleotide sequence of the upstream primer HENU624-F is as shown in SEQ ID No. 1, and the nucleotide sequence of the downstream primer HENU624-R is as shown in SEQ ID No. 2. The primer provided by the invention can be used for detecting whether a wheat breeding material carries the powdery mildew resistant gene PmDR144 or not before the powdery mildew in the wheat seedling stage is attacked, a variety carrying the powdery mildew resistant gene PmDR144 is purposefully selected, and the marker not only is rapid and accurate in detection, but also saves the cost, improves the breeding efficiency and accelerates the breeding process.

The utility model belongs to the field of biological reagent split charging auxiliary tools, and provides a fluorescent dye reagent split charging device which comprises a shell and a cover plate. The shell is a light-proof shell, a refrigeration sheet is arranged on the inner side wall of the shell, an oscillator is arranged at the bottom in the shell, a reagent bottle is placed on the oscillator, an opening is formed in the top end of the shell, the cover plate covers the opening in the top end of the shell, a liquid inlet and a liquid outlet are formed in the cover plate in a penetrating mode, a liquid inlet pipe is inserted into the liquid inlet, and a liquid outlet pipe is inserted into the liquid outlet. The inner end of the liquid inlet pipe extends into the reagent bottle, a liquid outlet pipe is inserted into the liquid outlet, and the inner end of the liquid outlet pipe extends into the reagent bottle. In the device, the light-proof shell can realize a light-proof effect, the refrigeration sheet can realize low-temperature control, and the oscillator can realize oscillation and uniform mixing, that is, the device has the functions of light-proof, low-temperature control and oscillation and uniform mixing at the same time, and can ensure that the quality of the subpackaged fluorescent reagent is not influenced by the external environment.

The utility model discloses a motorcycle throttle valve model and a linkage structure thereof, and belongs to the technical field of throttle valves. The motorcycle throttle valve model and the linkage structure thereof comprise a throttle valve body, a driving assembly and two locking assemblies, the driving assembly is arranged outside the throttle valve body, the locking assemblies are arranged in the throttle valve body, the throttle valve body comprises a shell, two air inlet cavities are formed in the shell, and the two air inlet cavities are communicated with the driving assembly. Rotating shafts are arranged in the two air inlet cavities, long grooves are formed in the rotating shafts, valve plates are arranged in the long grooves, plugging blocks are arranged on one faces of the valve plates, through grooves are formed in the two sides of the outer portions of the plugging blocks, inserting grooves are formed in the top ends and the bottom ends of the interiors of the through grooves, the locking assembly comprises two locking seats, and one faces of the locking seats are fixedly connected with the inner walls of the long grooves. Square grooves are formed in the top face and the bottom face of the locking base, inserting blocks are arranged in the two square grooves, and the opposite ends of the two inserting blocks are clamped with the two inserting grooves respectively.

The utility model relates to the technical field of asphalt mixture rotary compactors, and discloses an asphalt mixture rotary compactor which comprises a bottom plate, a spinning instrument is mounted at the top of the bottom plate, a mounting disc is fixedly connected to the top of the spinning instrument, a fixing frame is fixedly connected to the top of the mounting disc, and the fixing frame is fixedly connected to the bottom of the bottom plate. A fixing mechanism is arranged in the fixing frame, and a cleaning mechanism is arranged at the top of the fixing mechanism; the fixing mechanism comprises a driving assembly, the rear side of the driving assembly is installed in the fixing frame, a sliding plate is fixedly connected to the front side of the driving assembly, and fixing shafts are fixedly connected to the left side and the right side of the sliding plate. In the spinning process, displacement of the die sleeve is avoided through stable clamping of the clamping ring, a stable foundation is provided for the rotary main shaft of the spinning instrument to drive the pressing head to accurately compact the asphalt mixture, and the spinning stability and the accuracy of experimental data are guaranteed.

This invention relates to an intelligent double-layer floor-raised chicken coop, comprising a main body with a first and a second rearing rack arranged vertically within it, connected by a connecting channel. The invention uses a first motor to rotate chickens located on one side of the push plate A on the first rearing rack and then along the connecting channel to move them to the second rearing rack. Conversely, a second motor rotates chickens located on one side of the push plate B on the second rearing rack and then along the connecting channel to move them to the first rearing rack. This allows for the interchange of positions between the chickens on the first and second rearing racks, enabling a light source above the first rearing rack to illuminate all the chickens, ensuring adequate light for the entire flock and promoting growth.

The invention relates to an infrared thermal imaging electric power meter which comprises meter internal components, a meter shell and external terminals on the meter shell, and the meter internal components comprise a signal measurement function board, a voltage measurement device, a current measurement device, a switch state measurement device and an infrared thermal imaging temperature measurement device. The instrument shell is provided with a plurality of external terminals, the devices are connected to a signal measurement function board through an IIC bus, the instrument shell is provided with a liquid crystal display, the liquid crystal display is connected to the signal measurement function board, and the external terminals comprise a voltage measurement terminal, a current measurement terminal, a switching value measurement terminal and an infrared thermal imaging temperature measurement terminal. According to the method, infrared thermal imaging is adopted, contact is not needed, an imaging mode is adopted, the temperature of an area can be recognized like a picture, and a point position with the higher temperature can be screened out. Insulation and electrical creepage between electrical equipment under high voltage are solved through non-contact temperature measurement, the service life is longer, and the device is not affected by the environment.

The invention relates to lighting equipment. The lighting equipment comprises a shell, a lighting assembly, a switch assembly, a trigger element and an adjusting ring connected with the trigger element. The lighting assembly comprises a first lighting piece and a second lighting piece which are arranged on the shell. The switch comprises a first switch and a second switch which are arranged on the shell; the adjusting ring is rotationally connected to the shell and is arranged to be capable of driving the triggering element to rotate to a first position or a second position relative to the switch under the action of external force; when the trigger element is located at the first position, the trigger element can trigger the first switch, the first switch controls the first lighting piece to be turned on, and the second switch controls the second lighting piece to be turned off; and when the trigger element is at the second position, the trigger element can trigger the second switch, the second switch controls the second lighting piece to be turned on, and the first switch controls the first lighting piece to be turned off.

The invention relates to a bucket elevator for a dryer, which can realize grain quantity detection, and the total weight of grains can be calculated by metering the total quantity of hoppers only by flattening hoppers to enable the weight of each hopper of grains to be consistent. The trowelling mechanism is located above the feeding port and comprises a rotating shaft and a plurality of trowelling elastic pieces evenly distributed in the circumferential direction of the rotating shaft, the rotating shaft is parallel to the axis of the traction wheel, the rotating shaft is driven by a gear motor, and when the rotating shaft rotates, the lower edges of the trowelling elastic pieces are in sliding fit with the upper edge of the hopper so as to trowelling grain in the hopper; the rotating speed of the rotating shaft is matched with that of the traction wheel, so that the trowelling elastic pieces are matched with the hoppers one by one; the material returning mechanism comprises a vertically-arranged spiral conveyor, an inlet is formed in the lower portion of the spiral conveyor, an outlet is formed in the upper portion of the spiral conveyor, the outlet is communicated with the interior of the machine shell through a discharging pipe, and the discharging pipe is located below the feeding port. A funnel structure is arranged at the bottom of the machine shell, and a material returning opening is formed in the lower portion of the funnel structure and communicated with the inlet through a material returning pipe.

The invention discloses a quick-response multi-point temperature measuring device suitable for high-temperature liquid metal, and belongs to the technical field of measuring devices. Comprising a temperature measuring device and a fixed sealing device, the temperature measuring device comprises a thermocouple tube bundle, a thermocouple wire positioning cone and a thermocouple tube bundle side wall welding section; the fixing and sealing device comprises a fixing nut, a sealing ring, a connecting nut, an upper square flange, a flange gasket and a lower flange. The device is good in sealing effect and comprises a flange sealing mode and a clamping sleeve sealing mode, and the detachable requirement of the temperature measuring device can be met through the flange position; the thermocouple wire probe is in direct contact with fluid, so that the temperature measurement result is more accurate, and the response time of the thermocouple wire can be determined according to actual requirements; the main bodies of the temperature measuring elements are all arranged in the tube bundle, so that the temperature measuring device cannot be damaged due to large fluid flow; in addition, the thermocouple wire is used as a temperature measuring element, and compared with a sheathed thermocouple, the cost can be greatly reduced.

A battery pack is provided with: a battery cell having a relief valve that opens as a result of an increase in internal pressure and discharges gas to the outside; an exhaust passage through which the gas discharged from the relief valve flows; a heat insulation member provided so as to cover the relief valve; and a holding member that holds the heat insulating member, in which a housing portion is provided in a wall portion of the exhaust passage at a position facing the heat insulating member, and the heat insulating member insulates heat between the exhaust passage and the battery cells when the safety valve is not opened. When the safety valve is opened, gas discharged from the safety valve is separated from the holding member and stored in the storage part, and the gas discharged from the safety valve is insulated from the wall part of the exhaust passage.

The utility model relates to the technical field of distribution box, concretely is a kind of intelligent mechanism distribution box, including distribution box component, the distribution box component includes box, the front of box is fixedly connected with end cap frame, and the front of end cap frame is hinged with decorative cover plate;Mounting assembly, the mounting assembly includes support seat and first hinged seat, the support seat and first hinged seat are all fixedly connected in the inner wall of box, the outside of first hinged seat is hinged with hinged rod, the other end of hinged rod is slidably contacted with guide frame, the top of guide frame is fixedly connected with guide rail.The utility model can be installed on the electric device of guide rail by the setting of position adjustable guide rail mounting structure, the guide rail can be pulled out to the outside of box when being installed, to improve the convenience of electric device snap installation, not affected by the space inside box, greatly improve the convenience of device use.

The present invention provides an RT-RAA primer probe, a ratio fluorescence chromatography kit and an application thereof for detecting influenza A (H1N1) virus, and belongs to the field of biological detection technology. The RT-RAA primer probe for detecting influenza A (H1N1) virus provided by the present invention can specifically amplify influenza A (H1N1) virus. The present invention combines the isothermal amplification technology mediated by recombinant polymerase with the nucleic acid fluorescence ratio chromatography test strip color development method. The RT-RAA amplification product flows through the test strip, and the product first combines with the red fluorescent microspheres, and then is captured by the T line. The green fluorescent microspheres carried on the T line are gradually covered by the red fluorescent microspheres, showing a characteristic color tone change. The detection personnel can semi-quantitatively determine the concentration of the analyte according to the color tone. It has the advantages of high sensitivity and strong specificity. It can be judged by naked eyes with a small ultraviolet flashlight. It does not require complex instruments and equipment and is suitable for rapid on-site detection.

This utility model relates to the field of high-voltage equipment technology and proposes a transformer wall-mounted neutral point device, including a transformer and a neutral point device. The neutral point device is located on one side of the transformer. The neutral point device and the transformer are connected by a seismic expansion joint fixed with screws. The seismic expansion joint includes an expansion part and connecting parts located on both sides of the expansion part. The two sides of the expansion part are connected to the two connecting parts by welding. A connecting chain connects the two expansion parts. By installing the neutral point device on the transformer body, the concrete foundation in the prior art is eliminated, saving civil engineering costs and improving the efficiency of installing the neutral point device. Without a separate foundation, there is no need to consider the damage to structural components caused by foundation settlement. Finally, the integrated structure has better seismic performance.

The invention relates to a vehicle (2) having a drive device (1), the drive device (1) having an electric drive machine (3) for generating a drive torque for the vehicle (2), the drive device (1) having a step-up gear (4) for increasing the drive torque, the speed-increasing gear (4) has a gear input (6) for receiving a drive torque and a gear output (5) for outputting an increased drive torque in the direction of at least one driven wheel (7) of the vehicle (2), such that a drive torque path (103) is formed from the drive machine (3) to the gear output (5) and / or to the at least one driven wheel (7), the drive device has a brake device (10a, 10b, 10c), the brake device (10a, 10b, 10c) being operatively connectable to the drive torque path (103) in order to apply a brake torque to the at least one driven wheel (7) along the brake torque path (100a, 100b, 100c), the brake device (10a, 10b, 10c) having a friction brake device, the friction brake device (10a, 10b, 10c) being operatively connectable to the drive torque path (103) in order to apply a brake torque to the at least one driven wheel (7) along the brake torque path (100a, 100b, 100c). The friction brake device has a temperature control fluid for lubricating and / or cooling the friction brake device.

The utility model discloses a layered anti-counterfeit label which comprises a base layer, a first anti-counterfeit layer, a second anti-counterfeit layer and a protective layer are sequentially arranged on the upper surface of the base layer, and an adhesive layer and release paper are arranged on the lower surface of the base layer. The first anti-counterfeiting layer comprises a first anti-counterfeiting pattern layer and a first fluorescent ink layer, the second anti-counterfeiting layer comprises a second anti-counterfeiting pattern layer and a second fluorescent ink layer, and the protective layer is composed of a transparent plastic film layer and a wear-resistant layer. Wherein the first anti-counterfeiting pattern layer and the second anti-counterfeiting pattern layer are different in pattern and are matched with each other to form a complete anti-counterfeiting pattern, and the first fluorescent ink layer and the second fluorescent ink layer emit different colors of fluorescence under ultraviolet irradiation. The transparent plastic film layer adopts a PET (Polyethylene Terephthalate) film, the wear-resistant layer is a polyurethane coating, and the adhesive layer adopts an acrylate pressure-sensitive adhesive. According to the anti-counterfeit label, through the multi-layer structure and the unique anti-counterfeit design, the anti-counterfeit performance is remarkably improved, and the anti-counterfeit label is difficult to counterfeit; the protection layer can effectively protect the anti-fake layer, the service life is prolonged, and the anti-fake label is simple in structure, low in cost and suitable for large-scale production and application.

The utility model relates to the technical field of robots, and discloses an armed quadruped robot based on environmental perception, which comprises a main body, the top surface of the main body is connected with a multi-axis mechanical arm, the multi-axis mechanical arm comprises a base frame, the bottom end of the base frame is coupled with a turntable, the axis of the bottom end of the turntable is connected with a servo motor, and the servo motor is connected with a servo motor. A connecting frame is fixed to the top end of the base frame, a containing arm is connected to the middle of the connecting frame through a shaft, a containing groove is formed in the top face of the containing arm, a sealing plate is clamped to the inner wall of the containing groove, and a connecting wire is arranged on the bottom face of the sealing plate. The folded storage arm is stored through the storage cavity formed in the top face of the robot body, the storage arm can be matched with the storage groove to store the folded connecting arm, and the multi-section synchronous storage and folding process is formed; and the robot body can be completely stored in the storage cavity, it is ensured that the size of the robot body is completely not affected by the folded mechanical arm, and convenience is provided in the using process.

The utility model relates to the technical field of high-temperature calcination of powder, and discloses an indirect heating type high-temperature atmosphere shaft furnace, which comprises a feeding device, a heating device and a heating device, the pushing device is connected with the feeding device and used for pushing the materials to the material storage pipe body; the material storage pipe body is a vertical cylindrical container and is internally used for accommodating and conveying materials; the heating rods are distributed in the axial direction of the material storage pipe body and used for providing a high-temperature heat source. And the heating rods are axially distributed along the material storage pipe body, so that the heating efficiency is improved, the materials are uniformly and efficiently heated, and the energy utilization efficiency is remarkably improved. Due to the arrangement of heat preservation cotton and a heat insulation layer, heat loss is effectively reduced, the temperature in the furnace is more stable, and the calcination efficiency is further improved. Meanwhile, different temperature intervals can be formed in the furnace due to the design of the thermal insulation layer, so that the requirements of different materials on temperature are met, and the applicability of the equipment is enhanced.

The present application relates to the field of unmanned aerial vehicle communication, in particular to a multi-unmanned aerial vehicle cooperative communication relay path planning method, the multi-unmanned aerial vehicle cooperative communication relay path planning method includes the establishment of the visibility model and the description and solution of the optimization problem, the relay unmanned aerial vehicle is introduced between the task unmanned aerial vehicle and the ground station, the communication relay link between the relay unmanned aerial vehicle and the task unmanned aerial vehicle and the ground station is constructed, and the communication transmission between the task unmanned aerial vehicle and the ground station is maintained; based on the minimum energy consumption criterion, a multi-step optimization model considering the visibility constraint and the unmanned aerial vehicle maneuverability is established, and the optimization problem is solved by a particle swarm optimization algorithm. The present application solves the problem of unmanned aerial vehicle communication interruption in complex mountainous environment, avoids the communication link interruption caused by the task unmanned aerial vehicle flying through the corner of the mountain in a short time, and ensures the smooth communication link in complex mountainous environment by applying the method to multi-unmanned aerial vehicle cooperative relay communication.

The utility model discloses a lithium battery thermal invalidation testing device, including pressure container, electric core clamp, needle system, thermal trigger interface, charge trigger interface, image acquisition system and data acquisition interface, electric core clamp sets up in pressure container, is used for clamping lithium battery, needle system sets up opposite lithium battery, thermal trigger interface, charge trigger interface set up on pressure container, are used for carrying out high temperature overcharge invalidation test, short -circuit invalidation test, image acquisition system sets up in pressure container top, is used for recording test image, data acquisition interface sets up on pressure container, is used for gathering thermal invalidation test data. The utility model can simulate lithium battery thermal invalidation test, and collect its invalidation after gas and relevant test data.

A titanium ingot casting furnace relates to the technical field of titanium ingot casting and comprises a furnace body and a conveying device. Furnace doors are arranged at the two ends of the furnace body, and two isolation doors used for dividing an inner cavity of the furnace body into three independent areas are arranged in the furnace body at intervals; rails used for bearing the transfer trolley and conveying devices used for driving the transfer trolley are arranged in the three independent areas of the furnace body. The conveying device comprises a plurality of swing arms arranged at intervals in the length direction of the track, one end of each swing arm is rotationally connected with a friction wheel, the other end of each swing arm is correspondingly hinged to the inner bottom of the furnace body through a hollow hinge shaft, and a torsion spring enabling the swing arms to drive the friction wheels to deflect upwards is arranged on a shaft body of the hollow hinge shaft; a transmission shaft driven by a motor is movably inserted into the hollow hinge shaft and is in corresponding transmission connection with the friction wheel; the continuous casting device can be used for continuous casting and is high in production efficiency; the conveying devices in the three independent areas of the furnace body are independent of one another, and closing of the isolation doors is not affected.

The utility model discloses an electronic molded case circuit breaker, which belongs to the field of molded case circuit breakers, and comprises a circuit breaker body, a protective shell arranged at the switching position of the circuit breaker body and guide rails symmetrically arranged at the opening end of the protective shell, a through opening matched with the protection plate is formed in the bottom end of the protection shell. The electronic molded case circuit breaker is simple in structure and convenient to use, a switch of the circuit breaker body can be effectively protected from being influenced by the external environment through the design of the rotating shaft, the torsional spring, the protective shell and the protective plate, the normal use state of the circuit breaker body is ensured, the reliability and safety of equipment are improved, and when tripping occurs, the switch trips to trigger a series of mechanisms, so that the service life of the circuit breaker is prolonged. The protection plate can be quickly opened, so that a worker can directly operate the circuit breaker body and quickly find and process a tripping problem, thereby shortening the time for recovering power supply and improving the availability of equipment.

The invention provides a novel explosion-proof joint assembly, and aims to improve the safety and reliability of exoskeleton equipment. Internal pressure is kept higher than the outside through the pressure air bag, and the positive pressure effect is achieved. And electric isolation between the whole body and the outside is ensured through wireless communication and wireless downloading. Through modularization, the explosion-proof exoskeleton is quickly formed. Safe operation of equipment is ensured through explosion-proof design and electrical isolation, the maintenance cost is reduced through modular design, the flexibility and reliability of the system are improved through wireless charging and transmission, the portability and durability of the equipment are improved through high-performance materials, and the functions of real-time monitoring and the like are provided through multifunctional integration.

The utility model relates to the technical field of gypsum boards, in particular to a moisture-proof gypsum board which comprises a first gypsum board, a second gypsum board is fixedly arranged on one side of the first gypsum board, clamping blocks distributed in an array mode are connected to one side of the interior of the first gypsum board in a clamped mode, and two limiting boards used for fixing the clamping blocks are connected to one sides of the clamping blocks in a clamped mode. According to the gypsum board, the limiting plates, the round rods and the gypsum side plates are utilized to reinforce the installation of the clamping blocks, so that the two gypsum boards can be stably and firmly connected by utilizing the three clamping blocks, and the two gypsum boards can be stably and firmly connected by utilizing the three clamping blocks; the gypsum board is prevented from being loosened and broken, the overall stability of the damp-proof gypsum board is improved, the gypsum board can have the damp-proof capacity through the first damp-proof board and the second damp-proof board, the ventilation effect can be achieved in cooperation with the ventilation grooves in the supporting partition plates, and the damp-proof effect of the gypsum board is improved.

The invention relates to the field of data transmission, in particular to an ultra-low time delay data transmission system based on the TAN technology, which comprises a multi-path controller, and the multi-path controller is connected with application equipment and a service terminal; the multi-path controller comprises a data processing module, a dual-channel framework module, a multi-path transmission module, an intelligent routing module, a precise time service module, a network observation module, a data mirroring module and a security technology fusion module. The time clear network technology is applied, the problems of ultra-low time delay and deterministic zero-cure characteristics of network transmission are solved, and the security of the network transmission is improved. And bidirectional interactive transmission of the intelligent power grid is realized.

The utility model relates to the technical field of audio equipment, and especially relates to a split type magnetic attraction splicing expansion Bluetooth sound box. The split type magnetic attraction splicing expansion Bluetooth sound box comprises two Bluetooth sound boxes, loudspeaker units, damping mechanisms, guide blocks and the like, the two Bluetooth sound boxes are distributed in a front-back mode, each Bluetooth sound box is internally provided with one loudspeaker unit, each loudspeaker unit is provided with one damping mechanism, and the guide blocks are arranged on the loudspeaker units. Wherein the rear side of one Bluetooth sound box is fixedly connected with a trapezoidal guide block, the front side of the other Bluetooth sound box is provided with a guide groove, and the guide block is in sliding fit with the guide groove. According to the utility model, the electric contacts are covered by the electric telescopic rod and the baffle plate, so that the electric contacts are protected from being influenced by the external environment, good contact between the electric contacts is ensured, and meanwhile, the anti-oxidation coatings coated on the surfaces of the electric contacts can effectively prevent metal surface oxidation, prolong the service life of the electric contacts and maintain stable electric connection.

The utility model belongs to the technical field of workpiece nitriding machining, and particularly relates to a workpiece nitriding combined machining device which comprises a cleaning box and further comprises a fixed seat movably installed in the cleaning box, a motor is fixedly installed in the fixed seat, a brush is fixedly installed at the output end of the motor, and the brush is connected with the cleaning box. A high-pressure spray head is fixedly installed between the brushes, a water pipe is fixedly arranged at the top of the high-pressure spray head, a pneumatic diaphragm pump is movably installed on the surface of the water pipe, a workpiece needing to be cleaned can be placed through the fixing base, and then a worker adds alcohol into an alcohol box and starts the pneumatic diaphragm pump; alcohol is pumped into the high-pressure spray head from the inside of the water pipe, then the alcohol is sprayed to a workpiece, then the motor is started to drive the brush to wipe the surface of the workpiece, the alcohol volatilizes quickly, the workpiece can be dried after being wiped, and the workpiece can be subjected to surface cleaning after nitriding, dust is avoided, and later nitriding work is not affected.

The invention provides an online ore pulp multi-element grade analysis system. A filter assembly is used for filtering liquid in ore pulp to form ore-containing filter blocks; the material cake drying assembly is used for drying the ore-containing filter block to obtain a dried filter block; the cake crushing assembly is used for crushing and drying the filter blocks to obtain mineral powder; the mineral powder pressing assembly is used for pressing mineral powder into sample cakes for detection, the cake crushing assembly comprises a crushing shell, a crushing disc, a crushing driving mechanism and a feeding mechanism, the feeding mechanism is used for conveying dried filter blocks to the crushing disc, and the crushing disc is arranged in the crushing shell in a rotatable mode; the crushing mechanism is used for crushing the dried material blocks conveyed by the feeding mechanism so as to crush the dried material blocks into mineral powder; the crushing driving mechanism is used for driving the crushing disc to rotate. According to the invention, direct contact detection can be carried out without a detection window, and the problem of low detection precision caused by direct contact of ore pulp for element detection in the existing grade instrument detection is solved.

The present invention relates to a polycrystalline diamond composite sheet vacuum packaging flow blocker and flow blocker structure, so that the molten solder liquid or metal gas inside the metal cup is blocked by the flow blocker and stays in the space between the metal cap cup and the flow blocker, and does not enter the polycrystalline diamond composite sheet synthesis area. The polycrystalline diamond micropowder and the alloy matrix are not affected by the molten solder liquid and trace metal gas in the flow blocker, and are in a vacuum sealed environment, so that the molten solder liquid and the trace metal gas generated by the solder during melting are prevented from flowing and diffusing to the polycrystalline diamond composite sheet synthesis area, thereby improving the stability and yield rate of the polycrystalline diamond composite sheet.