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81results about How to "Remove in time" patented technology

Slurry oil heat exchanger scaling early warning method, device and equipment, medium and descaling system

PendingCN119672918ATimely understanding of scaling trendsAccurate warning of scalingAlarmsFlush cleaningProcess engineeringSlurry
The invention provides an oil slurry heat exchanger scaling early warning method, device and equipment, a medium and a descaling system, and belongs to the field of heat exchanger scaling prediction.The early warning method comprises the steps that operation parameters of an oil slurry heat exchanger are obtained; determining an actual total heat transfer coefficient and actual heat exchange efficiency based on the operation parameters of the slurry oil heat exchanger; based on the actual total heat transfer coefficient and the actual heat exchange efficiency, a scaling early warning index is determined; and generating scaling early warning information based on a comparison result of the scaling early warning index and the scaling early warning threshold value. The early warning device comprises a data acquisition unit, a data processing unit, an early warning index determination unit and an early warning information generation unit; the descaling system comprises a cleaning device, a control device and early warning equipment. Through the method provided by the invention, a more accurate early warning scaling condition can be obtained, and the operation reliability of the oil slurry heat exchanger is improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Environment-friendly sewage treatment mechanism

The invention discloses an environment-friendly sewage treatment mechanism, and belongs to the technical field of sewage treatment.The environment-friendly sewage treatment mechanism comprises a stirring box, one side of the stirring box is fixedly connected with a first motor, a biological reaction roller is arranged in the stirring box, and the two ends of the biological reaction roller are rotationally connected with arc-shaped fixing frames respectively; first rotating shafts are rotationally connected to one ends of the two arc-shaped fixing frames, and rotating blocks are fixedly connected to the ends, away from the biological reaction roller, of the two first rotating shafts. By arranging the rotating block and the first moving shaft, the biological reaction roller can stir sewage, so that the contact area of the sewage with a treating agent, oxygen and the like is increased, the reaction rate and efficiency are improved, the sewage outlet and the baffle are arranged, the settling tank can be automatically cleaned and discharged under the condition that filtration is not affected, and the sewage treatment efficiency is improved. And floccules filtered out in the settling tank do not need to be manually and regularly cleaned, so that the labor cost is reduced and the working efficiency is improved.
Owner:合肥庭易环保科技有限公司

Cloth surface floating hair cleaning machine

ActiveCN222119725UCleanup does not affectEfficient and convenient cleaningMechanical cleaningPressure cleaningMechanical engineeringMaterials science
The utility model relates to a cloth surface floating hair cleaning machine which is characterized in that when floating hair on the surface of cloth needs to be cleaned in the actual production and use process, the cloth can be input into a working bin through a cloth inlet in advance, and when the cloth passes through the space between an upper floating hair cleaning mechanism and a lower floating hair cleaning mechanism, a rotating driving part can be operated to drive the cloth to be cleaned. The brush roller and the cleaning roller are driven by the rotating driving part to rotate, when cloth passes through the brush roller, floating hair on the cloth is peeled off by the brush roller and adheres to the brush roller, then in the process that the cleaning roller and the brush roller rotate in the opposite direction, the comb teeth hook and pick out fluff adhering to the brush roller from the brush roller, and meanwhile the inner absorption assembly is operated. The inner absorption assembly is arranged on the brush roller, so that the inner absorption assembly absorbs fluff hooked and picked from the brush roller, the fluff cannot affect subsequent cloth cleaning, cloth floating hair can be cleaned more conveniently and efficiently, and the floating hair adhering to brush hair can be removed in time.
Owner:FUJIAN YOUXI ZHENG QUAN CLOTH CO LTD

High-temperature alloy nondestructive testing device and testing process thereof

The high-temperature alloy nondestructive testing device comprises a bottom plate, an L-shaped plate is fixed to the top of the bottom plate, a flaw detector is fixedly installed on one side of the L-shaped plate, and the L-shaped plate is provided with an automatic overturning mechanism for conducting 180-degree circulating overturning on alloy; the automatic turnover mechanism comprises a crank rotationally connected to one side of the L-shaped plate, a first motor is fixed to the other side of the L-shaped plate, and the first motor drives the crank to rotate. According to the nondestructive testing device for the high-temperature alloy and the testing process of the nondestructive testing device, the automatic turnover mechanism and the clamping component are matched for use, so that 180-degree automatic reciprocating turnover of the high-temperature alloy part is realized, comprehensive flaw detection is carried out on the turned high-temperature alloy part by utilizing the flaw detector, manual operation is not needed in the whole process, hands are prevented from being scalded by the high-temperature alloy part, and the testing efficiency is improved. And meanwhile, the accuracy of a flaw detection test result is also improved.
Owner:山东泰和能源股份有限公司

Trusted safety traffic monitoring system based on anti-quantum key management framework

The invention relates to a trusted security traffic monitoring system based on an anti-quantum key management framework, and relates to the technical field of smart city traffic, and the system comprises an initialization module which is used for carrying out the initialization processing of a cloud platform, an edge gateway and a camera node; the data acquisition and transmission module is used for acquiring and encrypting monitoring data based on the initialized camera node, and transmitting the encrypted monitoring data to the cloud platform through the edge gateway in a preset data transmission mode; wherein the preset data transmission mode comprises a cross-gateway area transmission mode and a same-gateway area transmission mode; and the data detection module is used for deleting or replacing the scene of the corresponding node when the edge gateway or the camera node shows a malicious behavior or the equipment is aged. According to the method, a key system is constructed through an encryption and decryption algorithm, so that the key management framework oriented to edge computing has quantum aggression resistance, and the security of a city monitoring system in a traditional scheme is improved.
Owner:JINAN UNIVERSITY

Deodorizing method, device, food material storage apparatus, storage medium, and program product

The application provides a method and device for removing odor, a food storage device, a storage medium and a program product. The method is applied to a food storage device, which comprises a storage cavity and an odor removal module. The method comprises the following steps: determining the related parameters of food in the storage cavity; wherein the related parameters comprise the height of the food in the storage cavity and / or the weight of the food; determining the storage duration of the food based on the change degree of the related parameters of the food; in the case that the change degree represents a decrease or no change and the storage duration is greater than a first preset value, determining the odor removal duration of the food based on the related parameters of the food and the storage duration; and controlling the odor removal module to perform an odor removal operation on the storage cavity within the odor removal duration to reduce the odor substances in the storage cavity.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD

Electrochemical reaction device and preparation method thereof

The electrochemical reaction device comprises a plurality of electrochemical reaction units which are sequentially connected in series; the electrochemical reaction unit comprises a vertical cylindrical first reaction part and a U-shaped cylindrical second reaction part; the upper end and the lower end of each electrochemical reaction unit are provided with connecting pieces connected with the screen plate, and the connecting pieces are used for fixing the outer electrode and the inner electrode and are hermetically connected with the first reaction part and the second reaction part; an automatic exhaust valve is arranged above the second reaction part connected in each electrochemical reaction unit; gas in the electrolysis system is discharged out of the reaction system; attachments on the surface of the electrode are easy to clean and convenient to disassemble; installation is simple and fast; catalytic layers for electro-catalytic reaction are prepared on the inner wall of the outer electrode and the outer wall of the inner electrode of each electrochemical reaction unit; and catalyst layer materials on the surfaces of the positive and negative electrodes can be timely repaired.
Owner:宿迁联盛科技股份有限公司

Nonwoven fabric visual inspection apparatus

This utility model discloses a visual inspection device for nonwoven fabrics, comprising a main frame and feet and rollers fixedly installed at the bottom of the main frame. A roller assembly is sequentially arranged above the main frame for tightening and unwinding the nonwoven fabric. A light source mechanism is fixedly installed above the roller assembly. A support frame is fixedly installed above the main frame. A set of camera lenses is respectively installed at the bottom of the main frame and the top of the support frame. The camera lenses are fixedly connected to a camera height adjustment module. A connecting frame is fixedly installed on the right side of the support frame, and a labeling machine assembly is fixedly installed on the connecting frame. This utility model discloses a visual inspection device for nonwoven fabrics with high-precision recognition: through a high-resolution camera, optical sensor, and AI algorithm, it can detect minute defects (such as holes, stains, and uneven fibers) that are difficult to detect with the naked eye, with an accuracy down to the micrometer level, eliminating human error and ensuring the consistency and reliability of the inspection results.
Owner:DONGGUAN INNOWAY VISION TECH CO LTD

Carton paging FRID electronic tag plane labeling machine

The utility model discloses a carton paging FRID (radio frequency identification) electronic tag plane labeling machine which mainly comprises a rack, a paging component, a label conveying device, a labeling device, an RFID reader-writer, a code reading detection component, a removing conveying component and a collecting conveying component. The paging part is located on the left side of the equipment, and the labeling conveying part is installed above the rack and connected with an outlet of the paging part. And the labeling device is mounted above the label conveying device. And the RFID reader-writer is fixedly mounted on the right side of the labeling device. The code reading detection assembly is fixedly installed below the labeling conveying assembly. An inlet of the removing conveying component is connected with a label conveying outlet, and the collecting conveying component is located on the right side of the removing conveying component. According to the labeling conveying device, the labeling conveying number can be increased or decreased according to requirements by labeling conveying users, so that the labeling device is suitable for labeling cartons with different areas. Through the swinging removing conveying component, defective products are removed accurately and timely, the production efficiency is improved, and real-time monitoring and tracking, safe anti-counterfeiting and traceability of packaged products are achieved.
Owner:XUANTE INTERNET OF THINGS TECH (SHANGHAI) CO LTD

Multi-stage treatment equipment and process for boric acid compound reaction

The invention provides multistage treatment equipment and technology for boric acid compound reaction, and relates to the technical field of boric acid preparation, the multistage treatment equipment comprises a metal ion precipitation kettle and an acid-base blending kettle, the metal ion precipitation kettle is provided with a precipitation mechanism for conveniently removing metal ions from boric acid wastewater, and the acid-base blending kettle is provided with an acid-base blending kettle; the acid-base blending kettle is provided with a blending mechanism for conveniently blending the pH value of the boric acid wastewater, the acid-base blending kettle is provided with a filtering mechanism for conveniently transferring the boric acid waste liquid, the precipitation mechanism comprises a first feeding hole and a first motor, and the blending mechanism comprises a second motor, a second feeding hole and a pH value detector. And the filtering mechanism comprises a first sealing door, an L-shaped fixed rod, a third motor, a filter screen and a movable rod. The device is provided with a third motor, a threaded rod, a movable rod and a cleaning brush which are matched with one another, and solid impurities, flocculates and the like which possibly exist in the acid-base blending kettle and are not completely dissolved are intercepted through a filter screen, so that the substances are prevented from entering the metal ion precipitation kettle.
Owner:PUYANG HUICHENG NEW MATERIALS IND TECH RES INST CO LTD +1

Coolant circulation and purification mechanism for irregular copper busbar sawing machine

This utility model relates to the technical field of coolant circulation and purification, and in particular to a coolant circulation and purification mechanism for an irregularly shaped copper busbar sawing machine, comprising: a coolant tank, which is supported on the ground and has a liquid storage chamber inside; a circulation pump installed on the coolant tank; a liquid inlet, which is fixedly connected to the top of the coolant tank and communicates with the liquid storage chamber inside; a coarse filter plate, which is installed on the coolant tank and is used to filter and protect the coolant inside; a guide plate, which is fixedly installed in the coolant tank and is located below the coarse filter plate, and is used to guide the coolant flow; and a filtration mechanism, which is installed in the coolant tank and is used to receive and filter the coolant guided by the guide plate; wherein, the filtration mechanism includes: a filter box, which is fixedly installed on the side wall of the coolant tank, with two fixed insertion holes symmetrically arranged on the inner side wall of one end of the filter box, and two insertion ports arranged on the opposite side of the fixed insertion holes.
Owner:扬中凯悦铜材有限公司

A dough cake detection and sorting device

ActiveCN224629377UAccurate detection of dirtAdd detection path
This utility model discloses a dough cake detection and sorting device, comprising: a detection table, a support frame fixedly installed above the detection table, a linear guide rail mounted on the surface of the support frame, a linear motor mounted on the surface of the linear guide rail, a lifting cylinder mounted on the surface of the linear motor, a vision inspection camera mounted at the lower end of the lifting cylinder, a detection channel provided below the vision inspection camera, a sorting channel mounted at the lower end of the detection channel, a flow divider plate mounted on the surface of the sorting channel, a rejection channel provided on the left side of the flow divider plate, and a qualified channel provided on the right side of the flow divider plate; the sorting channel is internally separated into the rejection channel and the qualified channel by the flow divider plate, and by rotating the baffle plate, unqualified dough cakes are pushed to the rejection channel for timely rejection, while qualified dough cakes pass through the qualified channel. In this way, defective dough cakes are promptly rejected, improving the production quality of dough cakes.
Owner:SHENYANG DINGYI FOOD CO LTD

Bread appearance detection apparatus and bread production system

ActiveCN224542393UImprove appearance inspection efficiencyquick judgmentProcess engineeringIndustrial engineering
The utility model discloses a kind of bread appearance detection equipment and bread production system, detection table is equipped with for conveying the conveying mechanism of product to be measured and detection mechanism, detection mechanism includes the first detection piece and second detection piece sequentially arranged along the conveying direction of conveying mechanism, first detection piece is used to detect the size in the height direction of product to be measured, second detection piece is used to detect the size in the length and / or width direction of product to be measured. Elimination mechanism is arranged in conveying mechanism, and located downstream of second detection piece, for eliminating product to be measured detected as unqualified by first detection piece and / or second detection piece. By setting first detection piece and second detection piece, the appearance size of product to be measured can be comprehensively detected, and the elimination mechanism can eliminate product to be measured when first detection piece and second detection piece detect that product to be measured is unqualified, so that full-automatic detection of bread appearance can be realized, and the efficiency of bread appearance detection can be improved.
Owner:SHANGHAI NAMCHOW FOOD CO LTD +2

A weighted consensus method for blockchain in dynamic heterogeneous environments of 6G

This invention discloses a weighted consensus method for blockchain in a dynamic heterogeneous 6G environment. The method includes the following steps: constructing a multi-dimensional node weight dynamic evaluation model, and performing a comprehensive capability evaluation of nodes based on the model to calculate their consensus weights; constructing a set of consensus nodes entitled to participate in weighted voting and a set of candidate nodes that only participate in verification to accumulate reputation, managing the candidate node set and the consensus node set based on the accumulated behavioral reputation value of the nodes to obtain a real-time updated consensus node set; and executing proposals, weighted voting, and final confirmation based on the node consensus weights and the real-time updated consensus node set to obtain a weighted consensus result for the blockchain. This invention can optimize the allocation of consensus weights, reduce consensus reconfiguration overhead, and maintain efficient weighted consensus in a 6G dynamic heterogeneous environment by constructing a multi-dimensional node weight dynamic evaluation model.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

System and method for treating stink and peculiar smell

The invention discloses a system and method for treating stink and peculiar smell, the system comprises a gas inlet pipeline, a hypochlorous acid generating device and a spraying reaction device, the hypochlorous acid generating device comprises a hypochlorous acid generator, and the hypochlorous acid generator is communicated with a hypochlorous acid collecting box and a sodium hydroxide collecting box; the spray reaction device comprises a first-stage spray tower, a second-stage spray tower and a third-stage synergistic reaction tower which are sequentially communicated, and a circulating spray passage formed by the first-stage spray tower, the second-stage spray tower and the third-stage synergistic reaction tower and the circulating water tank. According to the method, a treatment system is used for treating foul odor. The system has the advantages of low cost, good purification effect, small secondary pollution risk and the like, can efficiently remove various foul odors and odors in waste gas when being used for treating different types of foul odors and odors, can effectively improve the surrounding environment of a paper mill, and is beneficial to environmental protection. The method has the advantages of simple process, convenience in operation, low cost, high treatment efficiency, good removal effect and the like, and is less in agent dosage, less in waste liquid yield, more environment-friendly, high in use value and good in application prospect.
Owner:HUNAN JIU JIU MINING SAFETY EQUIP

A cone valve shut-off device

PendingCN122590011ASolve the loss of tightnessRealize instant compensationCircular coneStructural engineering
The application relates to a cone valve stop device and belongs to the technical field of material conveying and stopping, which comprises a connecting frame, a driving assembly, a traction assembly, a sealing cap and an air bag. The driving assembly is slidably arranged on the connecting frame and located below a discharging pipe, and a driving part of the driving assembly is vertically movable; the traction assembly is used for driving the driving assembly to horizontally move to avoid the discharging path of the discharging pipe; the first side surface of the sealing cap is connected with the driving end, and the second side surface is a conical surface used for forming a conical surface seal with the discharging pipe opening; an embedded groove is formed in the first side surface of the sealing cap, and the air bag is arranged in the embedded groove; when the second side surface of the sealing cap is locally abraded, the abraded second side surface is inflated and tightly attached to the discharging pipe opening by inflating the air bag, so that the abrasion compensation and reliable sealing are realized. The application can compensate the abrasion of the sealing surface without replacing the driving part or the sealing cap, reduces the maintenance cost, prolongs the service life of the device, and ensures the sealing reliability under the high-cleanliness working condition.
Owner:BEIJING TIANLI PROCESS TECH

Tree information processing method and device, electronic equipment and computer readable medium

The embodiment of the invention discloses a tree information processing method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the following steps: acquiring an aircraft patrol orthoimage set and aircraft patrol laser point cloud data; inputting the processed orthoimage set into a tree species image classification model to generate a tree species classification vector diagram; establishing a canopy height model and a vectorized lead three-dimensional model; according to the tree species classification vector diagram, the canopy height model and the tree species natural attribute knowledge base, generating a single tree information set; screening the single tree information set according to the vectorized traverse three-dimensional model and the vegetation growth prediction envelope network three-dimensional model; and sending the obstacle individual tree information set to the target terminal device. According to the implementation mode, the real three-dimensional environment around the power transmission line can be reconstructed, so that the real sag condition of a wire can be simulated, the growth condition of a tree crown can be pre-judged, a barrier tree is cut down in time to avoid frequent flashover, and the safety of the power transmission line is improved.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

A polishing barrel mechanism for curved glass and a polishing method thereof

This invention relates to a polishing barrel mechanism for curved glass, comprising a barrel body and electromagnetic units. Multiple electromagnetic units are disposed on the outer wall of the barrel body, and the barrel body is also filled with magnetorheological polishing fluid. A curved glass piece is placed inside the barrel body and fixed by an adsorption fixture. The adsorption fixture has a magnetically conductive backplate. When the curved glass piece is placed inside the barrel body, the magnetically conductive backplate of the adsorption fixture is close to the wall of the barrel body, and the front of the adsorption fixture holding the curved glass piece faces the center of the barrel body. When the polishing mechanism polishes a certain part of the curved glass piece, the corresponding electromagnetic unit is activated, causing the magnetically conductive backplate to become magnetic, thereby adsorbing a large amount of magnetic polishing material from the magnetorheological polishing fluid at the polishing location. A polishing method for the polishing barrel is also disclosed. The beneficial effects achieved by this invention are: good polishing effect and high polishing efficiency.
Owner:SICHUAN YUANQI INTELLIGENT EQUIP CO LTD

A method and system for purifying a mesitylene

The application relates to a method and system for purifying durene, and belongs to the technical field of durene purification. The method comprises the following steps: performing primary suspension crystallization on durene-rich liquid at a set cooling speed to obtain primary suspension crystallization slurry with a first temperature; performing solid-liquid separation on the primary suspension crystallization slurry to obtain primary suspension crystallization mother liquor and primary suspension crystallization crystals; performing secondary suspension crystallization on the primary suspension crystallization mother liquor at a set cooling speed to obtain secondary suspension crystallization slurry with a second temperature; performing solid-liquid separation on the secondary suspension crystallization slurry to obtain secondary suspension crystallization crystals; and performing layer-type melt crystallization on the mixed crystals of the primary suspension crystallization crystals and the secondary suspension crystallization crystals to obtain durene crystallization products. Under the synergistic action of the two-stage suspension crystallization and the layer-type melt crystallization, the application can realize high yield and high purity of durene, and the method does not have a gasification and condensation process, and has low energy consumption.
Owner:CHINA NAT PETROLEUM CORP +2

High-efficiency acid mist absorption tower and absorption method

The present application belongs to the technical field of industrial waste gas purification, and particularly relates to a high-efficiency acid mist absorption tower and an absorption method, which comprises a tower body, the tower body is respectively provided with a gas inlet, a gas outlet, a liquid inlet and a liquid outlet, and the tower body is provided with a first spraying system, a second spraying system and a plurality of cleaning assemblies; the first spraying system and the second spraying system are rotatably installed in the tower body through an eccentric wheel assembly, the cleaning assemblies are detachably connected to the inner wall of the tower body, and the plurality of cleaning assemblies are respectively located below the first spraying system and the second spraying system; the beneficial effects of the present application are as follows: the eccentric wheel assembly is used for driving the first spraying system and the second spraying system to perform eccentric rotary motion, the eccentric rotary motion causes the lye inside the spraying system to form turbulent flow and inhibit crystallization; meanwhile, the nozzles of the first spraying system and the second spraying system sequentially contact the cleaning assemblies below during the eccentric rotation, thereby realizing online cleaning of the nozzle crystallization and impurities.
Owner:SHANDONG YUXIAO ZIRCONIUM & HAFNIUM NEW MATERIALS CO LTD

Heat dissipation type LED support

The invention belongs to the technical field of LED supports, and particularly relates to a heat dissipation type LED support which comprises an LED lamp body, a supporting base installed at the bottom of the LED lamp body and a supporting frame arranged on the surface of the supporting base, a mounting plate is installed on the surface of the supporting frame, a heat dissipation assembly is installed on the surface of the supporting frame, and the heat dissipation assembly is arranged on the surface of the LED lamp body. According to the LED support, the heat dissipation assembly is arranged, heat dissipation treatment can be automatically conducted on the LED lamp, and therefore the LED lamp with the high temperature can be cooled in time, the problems that in the long-term use process of the LED lamp, heat of the LED lamp is high and cannot be dissipated in time, and parts of easily-damaged parts of the LED lamp are damaged are solved, the use effect of the LED support can be improved, and the service life of the LED support is prolonged. According to the LED support, the function effect of the LED support is further improved, the outside air can have enough air volume for heat exchange, therefore, the efficient heat dissipation effect is maintained, the service life of the LED lamp is prolonged, the LED lamp can have the self-heat-dissipation capacity, and time and energy are saved.
Owner:JIANGXI YANZHONG ELECTRONINC TECH CO LTD

Beidou and UWB dual-mode cooperative rail transit positioning method

ActiveCN121410758BImprove early perception abilityHigh precisionSatellite radio beaconingControl theoryPositioning technology
This invention discloses a dual-mode (BeiDou and UWB) collaborative positioning method for rail transit, specifically relating to the field of fusion positioning technology. The method includes the following steps: based on the spatial coverage status of the two types of signals along the train path, a cross-modal distortion discrimination array is constructed to identify trajectory abrupt change regions and dynamically adjust the signal fusion weights; abrupt change points are corrected using a constrained backtracking trajectory fitting algorithm, and pseudo-trajectory points are eliminated by combining the spatial topology of the positioning base station; time-series analysis is performed on the changes in signal fusion weights, and if frequent signal jump trends exist, the relevant fusion weights are lowered to the minimum tolerance threshold to improve trajectory continuity and positioning robustness. This invention achieves accurate identification of trajectory abrupt change regions by constructing a cross-modal distortion discrimination array, effectively corrects abnormal trajectory points by combining dynamic adjustment of fusion weights and a constrained backtracking trajectory fitting algorithm, and suppresses signal jump trends through a time-series analysis mechanism, thereby improving the stability of trajectory fusion and positioning accuracy.
Owner:HUNAN AUDE INFORMATION TECH

Press fitting device with pressure monitoring function

ActiveCN222134011URemove in timeReal-time monitoring of interferenceMetal working apparatusGear wheelDisplay device
The utility model discloses a press-fitting device with a pressure monitoring function, which comprises a press body, a press-fitting station is arranged below the press body, a press-in tool is arranged on the press-fitting station, a pressure sensor is arranged on the upper end face of the press-in tool, and a pressure sensor is arranged on the lower end face of the press-in tool. The pressure sensor is electrically connected with a pressure displayer arranged on the press body and used for measuring the pressure value during press fitting, and a driving mechanism is arranged above the press-in tool and used for press fitting of a cam shaft workpiece arranged in the press-in tool. According to the press-in tool, the pressure sensor is arranged on the press-in tool, when a gear at the upper end of a cam shaft workpiece is subjected to press fitting, the magnitude of interference between a shaft and the gear is converted into a pressure value, the magnitude of interference can be monitored in real time according to the magnitude of the pressure value in the press fitting process, unqualified products can be removed in time, and then the percent of pass of the products is improved.
Owner:CHONGQING JUCHENG MACHINERY

Exhaust chimney outlet protection device of diesel locomotive

The utility model relates to the technical field of internal combustion locomotives, in particular to an internal combustion locomotive exhaust chimney outlet protection device which comprises an assembling base, an expansion chamber is fixedly installed at the upper end of the assembling base, a filtering and cleaning assembly is arranged on the outer side of a connecting pipe, and a noise reduction and contraction assembly is connected to the upper portion of the filtering and cleaning assembly. The filtering and cleaning assembly comprises a filter cover movably covering the outer side of the connecting pipe; the silencing contraction assembly comprises a contraction chamber fixedly installed at the upper end of the assembly block, and springs are fixedly connected to the upper end face and the lower end face of the bearing installation plate. According to the utility model, the noise reduction contraction assembly is matched with the filtering and cleaning assembly, so that the self-cleaning of the filter casing can be realized through uninterrupted impact vibration of smoke, and smoke dust and harmful particles accumulated on the surface of the filter casing in the interception and filtering process of the filter casing can be removed in time; smoke dust and harmful particles in the intercepted and filtered smoke are prevented from being accumulated on the surface of the filter cover, so that the exhaust efficiency and the filtering and intercepting effect of the smoke are not influenced.
Owner:YANKUANG ENERGY GRP CO LTD

A purification device for acetylene production

This utility model belongs to the technical field of acetylene production equipment, specifically disclosing a purification device for acetylene production. It includes a purification cylinder with a mounting frame at the top. A stirring motor is embedded in the mounting frame, and the output end of the stirring motor is connected to a hollow shaft. The hollow shaft is rotatably connected to the top of the purification cylinder. A stirring plate is located on the outer surface of the hollow shaft, and a nozzle is connected to the stirring plate. The nozzle is connected to the hollow shaft. A circulation mechanism is located on the outside of the purification cylinder. The input end of the circulation mechanism is connected to the bottom of the purification cylinder, and the output end is connected to the liquid inlet of a rotary joint. An absorbent filter box is installed on the circulation mechanism. This utility model, by incorporating a stirring motor, a hollow shaft, and a stirring plate, can continuously stir the absorbent liquid and acetylene gas during the purification process, effectively preventing the precipitation of sulfides and phosphides produced in the reaction from adhering to the inner wall of the purification cylinder. This reduces the frequency of regular manual cleaning, lowers maintenance costs, and improves purification efficiency.
Owner:JINTA SHUNCHENGXIN ENERGY CO LTD

Method for one-step production of ethylbenzene from ethane and benzene by alternating electromagnetic field and catalyst thereof

PendingCN122583009APromote activationSelective synergy improvement
The application provides a method for preparing ethylbenzene from ethane and benzene by an alternating electromagnetic field and a catalyst thereof. The method comprises the following steps: introducing a reaction gas containing ethane and benzene into a reactor filled with a metal-molecular sieve bifunctional catalyst, and applying an alternating electromagnetic field. The magnetic heating effect of the magnetic metal component (such as Fe, Co and Ni) in the catalyst is utilized to realize directional heating, drive the cooperative reaction of ethane dehydrogenation and benzene alkylation, and generate ethylbenzene in one step. The catalyst is composed of magnetic metal nanoparticles and a molecular sieve (such as ZSM-5). The application solves the problem that the reaction temperatures of the endothermic dehydrogenation and the exothermic alkylation are not matched in the prior art, simultaneously utilizes the non-thermal effect induced by the magnetic field to enhance hydrogen overflow and inhibit carbon deposition, realizes the cooperative improvement of the benzene conversion rate and the ethylbenzene selectivity, and has the advantages of a short process, high energy efficiency and good catalyst stability.
Owner:NORTHWEST UNIV

A tobacco rod removal device

The present invention discloses a tobacco rod rejection device, which comprises a base body, a conveyor belt is arranged above the base body to form a conveying channel for tobacco rods; a first side plate and a second side plate are respectively arranged on both sides of the base body; a rejection area is arranged at the base body, a rejection opening is arranged on the first side plate facing the rejection area, a baffle is arranged at the rejection opening, a cylinder is fixedly arranged above the baffle; the telescopic end of the cylinder is fixedly connected to the baffle; an air jet is arranged at the second side plate facing the rejection opening. The present invention can timely reject tobacco rods generated by replacing small transparent paper, small pull wire, large pull wire, large transparent paper and failure, thereby preventing unqualified tobacco rods from entering the market.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD

A thread cleaning and oiling device

ActiveCN224736583UPowerful scrubbingEfficient removal
This utility model discloses a thread cleaning and oiling device, relating to the field of auxiliary tools technology for petrochemical equipment. It includes a base, a drive component, a mounting base, a cleaning mechanism, and an oiling mechanism. The drive component is located at the lower end of the base, and the mounting base is located at the upper end. The drive component is connected to the mounting base. Two cleaning mechanisms and two oiling mechanisms are located at the upper end of the mounting base, facing each other. In this utility model, the cleaning steel brush in the cleaning mechanism, in conjunction with a first dual-axis cylinder, can powerfully scrub the outer wall threads of the thread, effectively removing stubborn impurities and dirt. The air outlet further facilitates the timely removal of dust from the cleaning steel brush, improving work efficiency. The oiling mechanism uses an oiling brush combined with a second dual-axis cylinder, which can precisely control the oiling brush to maintain close contact with the thread, ensuring that lubricating oil is evenly applied to the outer wall threads of the thread.
Owner:中曼石油装备集团有限公司 +1

Meat product metal detection device

The invention discloses a meat product metal detection device. The meat product metal detection device comprises a rack, a first conveying table, a metal detector, a height adjusting device, a first adsorption device, a second conveying table and a control device, and the first conveying table is arranged at the top of the rack and provided with a sliding rail; the second conveying table is arranged on one side of the first conveying table; the number of the metal detectors is two, and the height adjusting devices are arranged at the two ends of each metal detector. The bottom of the height adjusting device is provided with a concave sliding block connected with the sliding rail in a sliding mode. The first adsorption devices are respectively connected with the top of the rack; the control device is electrically connected with the first conveying table, the metal detector, the height adjusting device, the first adsorption device and the second conveying table. The invention provides a meat product metal detection device which can timely remove products containing metal impurities from a production line, and is high in accuracy and high in removal efficiency.
Owner:HUNAN HUIXIANGYOU AGRICULTURAL DEVELOPMENT CO LTD