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79 results about "Pipeline.air" patented technology

Pressure pipeline air tightness detection device

The utility model discloses a pressure pipeline air tightness detection device, which belongs to the technical field of pipeline air tightness detection devices and comprises a supporting rack, a pressurization driving mechanism, an air expansion plugging structure, a limiting support, a locking mechanism, a detection clamp and a sensor actuating mechanism. The pressurization driving mechanism is arranged on one side face of the supporting rack, the air expansion plugging structure is arranged on the supporting rack, and the pressurization driving mechanism is in driving connection with the air expansion plugging structure; the limiting support and the locking mechanism are arranged adjacently, and the limiting support is arranged between the detection clamp and the air expansion plugging structure. The detection clamp is arranged on the other side of the supporting rack relative to the pressurization driving mechanism, and the sensor action mechanism is arranged adjacent to the detection clamp and movably connected with the detection clamp. The air tightness detection device for the pressure pipeline solves the technical problem of how to carry out air tightness detection on a single-section gas pipeline.
Owner:GUANGDONG QUANXING CONSTR CO LTD

Liquid immersion type pressure pipeline air tightness detection device

The utility model relates to the field of detection devices, in particular to a liquid immersion type pressure pipeline air tightness detection device, which comprises a liquid immersion box, a corrugated main pipe, a lifting frame and an air tightness immersion mounting pipe, through a separation area formed by the wave impingement plate and the blocking lines, in combination with a built-in infrared sensor, bubble dynamic states are monitored in real time, subjective errors of naked eye observation are eliminated, tiny leakage is effectively recognized, the lifting frame is driven by the air cylinder to ascend and descend, the water pressure in the liquid immersion box can be accurately adjusted, and pressure impacts of different working conditions on a pipeline can be simulated. Meanwhile, the wave impingement plate and the stabilizing plate cooperate to reduce water flow fluctuation interference, the airtight soaking mounting pipe is subjected to steering adjustment and air bag floating ball self-adaptive positioning, rapid adaptation of different pipe diameters and mounting angles is supported, the operation complexity is reduced, an airtight sleeve and a branch sleeve form a multi-layer sealing structure, and the service life is prolonged. The pressurizing box is combined to control the air pump to dynamically compensate air pressure, misjudgment or equipment damage caused by sudden pressure change in the detection process is prevented, and the overall detection effect is improved.
Owner:NINGXIA SPECIAL EQUIPMENT INSPECTION & TESTING RESEARCH INSTITUTE

Fuel cell system and humidification control method thereof

The invention provides a fuel cell system and a humidification control method thereof. The fuel cell system comprises an electric pile, a humidifier and an air pipeline, wherein the air pipeline comprises a dry air inlet header pipe, an air pile inlet pipeline, a dry air bypass, an air return pipeline, a backpressure pipeline and a bypass pipeline; one end of the air return pipeline is connected with an air outlet of the galvanic pile, and the other end is connected with a return air inlet of the humidifier; one end of the backpressure pipeline is connected with a backflow air outlet of the humidifier, and the other end is communicated with external atmosphere; two ends of the bypass pipeline are connected with an air return pipeline and a backpressure pipeline; a first throttle valve is arranged in the dry air inlet main pipe; a second throttle valve is arranged in the dry air bypass; a third throttle valve is arranged in the air return pipeline; and a fourth throttle valve is arranged in the bypass pipeline. In this way, when humidification is needed, the opening degree of the first throttle valve and the third throttle valve can be increased, the opening degree of the second throttle valve and the fourth throttle valve can be reduced, the water supplementing requirement of the humidifier is lowered, and the problems in the prior art are solved.
Owner:HAIYI NEW ENERGY (LINHAI) TECHNOLOGY CO LTD +1

Fault self-diagnosis and optimization method of forklift hydraulic system

The invention belongs to the technical field of forklift hydraulic diagnosis optimization, and provides a fault self-diagnosis and optimization method for a forklift hydraulic system, which is used for monitoring the air pressure of an oil suction pipeline in the forklift hydraulic system, judging whether the oil suction pipeline leaks air or not, directly determining whether a fault occurs at the oil suction pipeline or not, and improving the working efficiency of the forklift hydraulic system. The content of bubbles in oil can be reduced, the pressure and flow transmission efficiency of a hydraulic system can be improved, when it is judged that an oil suction pipeline leaks air, under the scene that the forklift steers at a small angle continuously between narrow goods shelves, the steering lagging duration and the bubble compression duration of each time of small-angle steering are obtained respectively, and the steering lagging duration and the bubble compression duration of each time of small-angle steering are obtained. The correlation degree between the steering lag time and the oil bubble compression time is evaluated, the influence mechanism of air leakage on a steering system is known more deeply, different types of faults can be distinguished, the main reason of steering lag caused by oil bubble compression can be quickly positioned, and the method and the device can be used for adjusting parameters such as the sending opportunity and the frequency of a steering instruction in the later period. And data support is provided.
Owner:SICHUAN YIAN INSPECTION & TESTING CO LTD

Air volume measuring device for pipeline of environmental protection equipment

The utility model relates to the technical field of pipeline air volume measuring devices, and provides an environment-friendly equipment pipeline air volume measuring device which comprises two mounting plates, a plurality of guide sliding rods fixedly arranged on the opposite faces of the two mounting plates, an adjusting plate connected to the outer surfaces of the guide sliding rods in a sliding mode, a first motor output shaft driving a driving lead screw to rotate, and a second motor output shaft driving the driving lead screw to rotate. An adjusting plate is driven to move between the mounting plates on the two sides along a guide sliding rod, a plurality of connecting plates are driven to rotate on the adjusting plate, the connecting plates drive a plurality of rotating plates to rotate around a first rotating shaft, and then the distance, relative to the axes of the two mounting plates, of a plurality of bottom plates is adjusted; the device can be correspondingly adjusted according to the inner diameter of the environment-friendly equipment pipeline with the actual air volume to be measured, air in the environment-friendly equipment pipeline blows the fan blades in the ventilation pipes, the device measures the air speed and calculates the air volume by combining the sectional area of the pipeline at the measurement position, and the data processing display screen displays the air volume measurement and calculation result of the device.
Owner:南京通络自动化科技有限公司

Composite device for preventing air leakage and molten steel backflow of steel ladle pipeline

The utility model relates to a composite device for preventing air leakage and molten steel backflow of a steel ladle pipeline, which is characterized by comprising a steel ladle air brick, a metal hose, a pressure container, a one-way valve, an air inlet pipeline and a quick connector, the number of the metal hoses is two, one end of each metal hose is connected with one independent steel ladle air brick, and the other end of each metal hose is connected to an air outlet of the pressure container. The one-way valve is arranged on an air inlet pipeline of the pressure container in series, and the air flow direction of the one-way valve is in one-way conduction from an external air source to a steel ladle air brick. The air inlet end of the air inlet pipeline is communicated with an external air source through a quick connector. According to the composite device for preventing air leakage and molten steel backflow of the steel ladle pipeline, through unique design and component cooperation, air leakage and molten steel backflow are effectively prevented, production safety and stability are guaranteed, and the maintenance cost is reduced.
Owner:TIANJIN IRON & STEEL GRP

Metrological verification equipment for automobile hydrogenation machine

The utility model provides a metering and calibrating device for a hydrogen adding machine for an automobile, which comprises a detection box body provided with a fixed pipeline, and a detection module is arranged on the fixed pipeline; a first connecting position and a second connecting position which are connected with one end of the fixed pipeline are respectively arranged on the detection box body; the first connecting position is used for inserting the hydrogen adding machine; and the connecting air gun is connected with the other end of the fixed pipeline and is connected with a hydrogen filling port of the automobile. According to the metering and calibrating equipment of the hydrogen adding machine for the automobile, the second connecting position is connected with the shielding gas supply unit to clean air in a pipeline before the hydrogen adding machine is inserted, so that potential safety hazards caused by mixing of hydrogen and air are avoided, and the safety in the metering and calibrating process is improved; meanwhile, the clean air ensures the purity of gas components in the pipeline and prevents the air from interfering with hydrogen metering, so that the accuracy of metrological verification of the hydrogen adding machine is remarkably improved; the connecting air gun can be directly connected with a hydrogen filling port of an automobile without repeated disassembly.
Owner:HYDROCHE TECH (TIANJIN) CO LTD +1

Internal and external direct injection combustor structure

The utility model discloses an internal and external direct injection combustor structure which comprises a central air inlet horn furnace end, an external air inlet seat and an external direct injection pipeline. The outer gas inlet seat is arranged at the top of the central gas inlet horn furnace head and is fixedly connected with the central gas inlet horn furnace head, a central gas outlet hole is formed in the top of the central gas inlet horn furnace head, a central gas outlet pipeline matched with the central gas outlet hole is arranged in the middle of the outer gas inlet seat, and gas enters from the central gas inlet horn furnace head and is directly exhausted through the central gas outlet pipeline. An outer air inlet pipeline is arranged on the outer side of the outer air inlet seat, an outer air inlet pipeline air inlet head is arranged on the outer side face of the outer air inlet pipeline, a plurality of outer air inlet pipeline air outlet heads are arranged on the top of the outer air inlet pipeline, and the bottom of the outer direct injection pipeline is arranged on the outer air inlet pipeline air outlet heads. Fuel gas enters from the gas inlet head of the outer gas inlet pipeline, passes through the gas outlet head of the outer gas inlet pipeline and then is exhausted from the outer direct injection pipeline.
Owner:陈锡德

A fermentation mechanism

The application discloses a fermentation mechanism, which comprises a tank body, a cavity is arranged in the tank body, an air distributor is fixedly arranged at the bottom of the cavity, a pipeline for conveying air is connected between the air distributor and the tank body, the air distributor comprises a top plate, side plates are connected to the two sides of the top plate and connected with the bottom of the tank body, through holes are formed in the side plates and the top plate, the diameter of the through hole of the top plate is larger than that of the through hole of the side plate, the top plate, the side plates and the bottom of the tank body jointly enclose an air shunting cavity, a distribution plate is arranged in the air shunting cavity, a shunting hole is formed in the distribution plate, a rotating device is connected to the distribution plate, and the distribution plate rotates relative to the top plate under the action of the rotating device to adjust the coincidence degree of the shunting hole and the through hole. The distribution plate is driven to rotate in the air distributor through the rotating device, the coincidence degree of the shunting hole on the distribution plate and the through hole on the top plate is adjusted, the main flow direction of air is changed, and different oxygen requirements in the tank in the early fermentation stage and the middle and late fermentation stages are met.
Owner:LONGYUE IND (GUANGZHOU) CO LTD

Energy-saving air supplementing and cleaning device for vacuum drainage pipeline

The application discloses an energy-saving type vacuum drainage pipeline air supplementing and cleaning device, which comprises a vacuum valve and a negative pressure controller, the negative pressure controller comprises a vacuum output port and a first vacuum pipeline interface, the vacuum valve comprises a vacuum input port and a second vacuum pipeline interface, the first and second vacuum pipeline interfaces are connected with a vacuum pipeline, the vacuum output port of the negative pressure controller is communicated with the vacuum input port of the vacuum valve, and the vacuum negative pressure output by the negative pressure controller can control the opening and closing of the vacuum valve. The energy-saving type vacuum drainage pipeline air supplementing and cleaning device is combined with the vacuum valve and the negative pressure controller, can accurately and effectively obtain a vacuum negative pressure value in a suitable range to supplement the atmosphere to the vacuum pipeline for pipeline cleaning, and cannot cause the situation that the vacuum station continuously extracts the gas in the vacuum pipeline to generate high energy consumption when the system is restarted or starts to die, so that the technical effects of preventing misoperation and saving energy are achieved.
Owner:TAIZHOU HUANYANG ENVIRONMENTAL PROTECTION EQUIP ENG CO LTD

Multi-pipeline air heater

The utility model relates to the technical field of gas heaters, and discloses a multi-pipeline hot-air blower, which comprises a gas input component, an air inlet interface for inputting gas to be heated and a first sealing cover plate, the air inlet interface is arranged on one side of the first sealing cover plate, and the first sealing cover plate is arranged on the other side of the first sealing cover plate. The first sealing cover plate is provided with a plurality of air inlet holes communicating with the air inlet connector. The gas heating assembly comprises heating pipes and conducting rings, the number of the heating pipes is the same as that of the gas inlet holes, the conducting rings are arranged on the heating pipes in a sleeving mode, the conducting rings are used for being communicated with a power source to heat the heating pipes and further heat to-be-heated gas in the heating pipes, plastic parts are arranged at the two ends of each heating pipe respectively, and the plastic parts are connected with the gas inlet holes in a sealed mode; the gas output assembly comprises an air outlet connector for outputting heated gas and a second sealing cover plate. More gas can be treated at the same time through the multi-pipeline design, the gas heating efficiency is improved, and meanwhile, the situation that the industrial gas to be heated is polluted by metal ions is avoided.
Owner:SHENZHEN TIANHUA ELECTROTHERMAL TECH CO LTD

Energy storage tube airtight test equipment and test method

The application relates to the technical field of pipeline air tightness detection, and discloses a storage energy pipe air tightness test equipment and a test method, which comprise a detection workbench, a preliminary positioning assembly for preliminarily positioning the storage energy pipe is arranged above the detection workbench, and a water immersion air tightness test assembly for air tightness test of the storage energy pipe is arranged above the detection workbench. The application can integrate multiple function modules such as preliminary positioning, air tightness test, outer wall detection, inner wall detection, classification and work station transfer into one, and realize continuous operation through an automatic control system, so that the integration and automation level of the detection process is greatly improved. Through the principle of 'completing the subsequent detection even if the problem is found', the equipment can help the producer to comprehensively understand the specific defect type and position of each unqualified product, and provide valuable data support for analyzing the process deficiency and carrying out unified improvement.
Owner:JIANGSU RIYING ELECTRONICS

Fresh air system adopting pipeline air valve to adjust air volume

The utility model relates to a fresh air system adopting a pipeline air valve to adjust air volume, which comprises a fresh air fan and a controller, each floor in a building is provided with a fresh air supply outlet, an air exhaust outlet and an air quality detection device, the fresh air fan is connected with a fresh air pipeline and an exhaust pipeline, the fresh air pipeline is connected with a fresh air distributor, and the exhaust pipeline is connected with a fresh air outlet. A plurality of fresh air branch pipelines are connected to the fresh air distributor, and fresh air pipeline valves are installed on the fresh air branch pipelines respectively. According to the utility model, factors such as space factors, personnel activity areas and the like are considered, the air volume of the fresh air system is adjusted by adopting a subarea control mode and a pipeline air valve, the corresponding equipment capacity purchase quantity can be reduced in actual use, and the energy loss is reduced.
Owner:INSTALLATION ENG CO LTD OF CCCC FIRST HARBOR ENG CO LTD +1

Municipal road drainage pipeline air bag plugging device

The utility model discloses a municipal road drainage pipeline air bag plugging device which comprises a shell, an air bag is fixedly connected to the end of the left side of the shell, deviation preventing assemblies used for clamping the air bag so as to prevent the air bag from deviating are arranged at the two ends of the left side of the shell, and a fixing block is fixedly connected to the end of the right side of the shell. Through the arrangement of the anti-deviation assembly and the elastic pushing assembly and the two sets of arc-shaped clamping plates installed at the end of the left side of the shell, the air bag is positioned from the two sides, when the air bag is impacted by water flow, position deviation of the air bag can be effectively avoided, and in addition, the elastic pushing assembly can push the air bag to move, so that the safety of the air bag is improved. The clamping force of the arc-shaped clamping plates on the air bag has certain elasticity, when the air bag is inflated and expands, the clamping force can be adjusted in a self-adaptive mode, it is guaranteed that the air bag does not deviate, and the air bag cannot be damaged due to the too large clamping force.
Owner:CCCC FIRST HIGHWAY XIAMEN ENGINEERING CO LTD +1

Pipeline air tightness detection device

The utility model discloses a pipeline air tightness detection device, which relates to the technical field of pipeline detection and comprises a detection support, a cylinder body, a plunger, a pressing block, a sealing sleeve, a piston rod and a piston, a shell, an end cover, an induction coil and a catalyst layer are arranged outside the pipeline air tightness detection device, and a high-pressure medium is filled into the detection support through external supercharging equipment to push the plunger and the pressing block in the cylinder body to move. When the pressure reaches a preset value, the pressure regulating valve is switched on, a medium flows into the position between the piston and the sealing sleeve, the piston is driven to exhaust air in the pipeline, meanwhile, the induction coil is heated by high-frequency current, the temperature of the catalyst layer is increased, the leaked medium is subjected to catalytic combustion, and resistance change is caused; therefore, rapid and accurate detection of the air tightness of the pipeline is realized.
Owner:SHANGHAI ZHENNAN ENG CONSULTING & SUPERVISION CO LTD

Stainless steel integral ventilation pipeline air shower structure

The utility model provides a stainless steel integral ventilation pipeline air shower structure, which relates to the technical field of air showers and comprises an air shower, a top bin, an air supply bin and an air shower channel. Air supply assemblies for blowing air into the air shower channel are arranged in the two air supply bins; each air supply assembly comprises a fan box, a main air supply pipe, a plurality of groups of air outlets and a telescopic air pipe; according to the design, stainless steel design is adopted as a whole, transportation is convenient, deformation is not prone to happening, the service life is long, the heat dissipation effect is good, the heat dissipation effect is good, the heat dissipation effect is good, and the heat dissipation effect is good. The whole air shower is provided with the face recognition access control machine, the electric door and the infrared sensor, the electric door can be opened through face recognition and automatically closed in cooperation with human body sensing, manual operation of workers is omitted, intelligence is high, in addition, a plurality of transverse air blowing and vertical air blowing are formed in the air shower channel, and the air shower is more intelligent. And dust on the body of a worker can be conveniently blown away.
Owner:SHANDONG BAIJIE PURIFICATION EQUIPMENT CO LTD

Pipeline gas tightness detection device and method

The application relates to the technical field of detection devices, and discloses a pipeline air tightness detection device and method. The pipeline air tightness detection device comprises a first pipe arranged in the inside of a pipe body, a second pipe fixedly arranged at one end of the first pipe, and the inside of the first pipe and the second pipe is in communication. The shell is thrown outwards by centrifugal force, so that the sponge block approaches the inner wall of the second pipe. When there is a leakage hole on the wall of the second pipe, the high-pressure gas will run out of the leakage hole, so as to drive the fluorescent liquid in the sponge block to flow out of the leakage hole and onto the outer wall of the second pipe. Then, the outer wall of the second pipe is irradiated by fluorescence, so that the position of the leakage hole is found. The first pipe is inserted into the inside of the pipe body, and then the rotation of the brush disc drives the brush pieces to clean the inner wall of the pipe body, so that the device can accurately detect the leakage points on the pipe body, and the accuracy of the pipeline air tightness detection is improved.
Owner:SUINING SENDI AUTO PARTS MFG CO LTD

Automobile pipeline air tightness detection device

The utility model discloses an automobile pipeline air tightness detection apparatus, comprising a main body unit comprising a support, a work plate fixedly arranged on the support, and a placing rack fixedly arranged on the work plate; the working unit comprises a starting component arranged in the working plate, an adjusting component is arranged on the starting component, a fixing component is arranged on the adjusting component, and a testing component is arranged on the placing frame. The output end of the second threaded rod drives the clamping block to be separated from the clamping plate, and then the proper working barrel and clamping plate are replaced.
Owner:NANJING MINGQIAO MACHINERY DEV

A method for prefabricating and welding and air tightness testing of a refrigeration pipeline of a cold storage

The present application relates to pressure pipeline air tightness detection technical field, and disclose a kind of cold storage refrigeration pipeline prefabrication welding and air tightness test method;For solving the problem that stable, repeatable, traceable qualification and threshold quantization of small leakage cannot be achieved in traditional method;The method, first determine boundary data unit and valve position isolation check, access dry nitrogen, reference cavity, double pressure link and near and far end temperature measuring point, initial parameter record;Pipe link and valve position switching self-check are completed under the working condition of reference cavity;Precharge and target pressure are staged inflation, and pressure temperature threshold value is gated to stabilize voltage;Main pressure maintaining period synchronously obtains the pressure temperature data of section to be detected and reference cavity, and periodically rechecks cross verification drift, triggers condition according to partition single valve single step isolation recheck, obtains small leakage stable repeatable traceable determination conclusion.
Owner:上海浩爽实业有限公司 +1

Metal float type high-pressure air valve

The utility model discloses a metal float type high-pressure air valve which comprises a valve body, a valve cover and a valve rod, one end of the valve body is provided with a second channel used for being communicated with a pipeline, the valve cover is connected to the other end of the valve body, the end, away from the valve body, of the valve cover is connected with an upper cover, a buffer piston is installed in the upper cover, and the valve rod extends in the axial direction of the valve body. One end of the valve rod is connected with a buffer piston, the other opposite end of the valve rod extends into the valve cavity of the valve body and is connected with a metal buoy, the metal buoy is located at the central axis position of the valve body, the top of the metal buoy is provided with a conical structure matched with the bottom opening of the valve cover, and the bottom of the metal buoy is provided with an opening right opposite to the second channel; and the size of the opening is greater than the inner diameter of the second channel. The metal float type high-pressure air valve can well meet the requirements for air intake and exhaust and sealing of a high-pressure pipeline, and the use safety of the pipeline is protected.
Owner:HEYOU (SHANGHAI) INTELLIGENT TECH CO LTD

Mine filling pipeline air-water linkage automatic pipe washing system

PendingCN122322214APipeline.airSoil science
This invention discloses an automated pipe cleaning system for mine backfilling pipelines, comprising a backfilling pipeline, a water-air-air-linked pipe cleaning device, a pressure sensor, a solids content sensor, and a DCS controller. Addressing the problems of high pressure signal noise during pipe cleaning leading to false blockage predictions and deviations from the ideal exponential model of solids content decay, this invention introduces a post-cleaning solids content penalty term into the particle swarm optimization objective function to overcome the limitation of fixed parameters failing to adapt to changes in pipeline length and residual concentration. In blockage prediction, a weighted fusion formula of sliding window pressure fluctuation amplitude and rate of change is used to solve the problem of high false alarm rates for single features. In termination determination, a residual solids content parameter is added to the exponential decay model, and least squares fitting is used to compensate for non-ideal decay deviations. This invention achieves adaptive adjustment of pipe cleaning parameters, graded early warning of blockage, and quantitative determination of the endpoint.
Owner:KUNMING METALLURGY INST

Gas stripping sludge discharge device at upper part of sedimentation tank

The utility model discloses a sedimentation tank upper part gas stripping sludge discharge device which comprises a sedimentation tank, a support plate is arranged above the sedimentation tank, and a movable seat is arranged on the left side of the top of the support plate. The slidable moving seat is arranged on the supporting plate, the sludge pipe is driven by the moving seat to slide on the moving rod, meanwhile, the supporting plate can slide in the guide groove of the fixed seat through the guide sliding block, the threaded rod is driven to rotate in cooperation with the driving motor, the threaded block moves, and therefore the supporting plate is driven to move; multi-direction movement of the sludge pipe in the sedimentation tank is achieved, targeted sludge discharge can be conducted on different areas of the sedimentation tank, the sludge discharge uniformity and efficiency are improved, air compression equipment introduces compressed air into the sludge pipe through a pipeline, an air pipe and a branch pipe, sludge at the bottom of the sedimentation tank is discharged according to the air stripping principle, and the sludge discharge efficiency is improved. The lower end of the sludge pipe is provided with the air nozzle, compressed air is sprayed out from the air nozzle, sludge can be better driven to rise, and the sludge discharge effect is improved.
Owner:WUXI PENGUIN ENVIRONMENTAL PROTECTION CO LTD

Outdoor pipeline inflation maintenance device

An inflation device for pipeline maintenance comprises an air pump on an inflation (leakage detection) system and a first flange located at a port of an air delivery pipe of the air pump and extending upwards, two tee joints are arranged on a pipeline, valves are arranged on three openings of each tee joint, a second flange matched with the first flange and connected with the first flange in a sealed mode is arranged on one opening of each tee joint, and the second flange is connected with the first flange in a sealed mode. And a pressure sensor is also arranged in the pipeline. During use, the first flange and the second flange are in butt joint, then the three-way opening at the second flange is opened, the air pump is driven to convey air into the pipeline, air pressure change in the pipeline is monitored in real time through the pressure sensor, when air pressure reaches a certain value, the valve of the three-way opening is closed, and after a period of time, the pipeline is closed. The air tightness condition of the pipeline is reflected through the change of the air pressure, the pressure borne by the pipeline relative to normal water flow is large through the arrangement of air, gas is prone to leaking at the weak position of the pipeline, and therefore the detection of the air tightness of the pipeline is achieved.
Owner:HUADIAN POWER INTERNATIONAL CORPORATION LTD

Quick docking tool for air conditioner pipeline air tightness detection

The utility model discloses a kind of quick butt joint tool of air conditioner pipeline air tightness detection, it is related to air tightness detection technical field, including organism, the ear axle is fixed symmetrically in the both ends of organism, and the damping washer is sleeved in ear axle inner side, swing arm is rotatably installed in the ear axle outside, and the lock catch is fixedly connected in the both sides swing arm terminal, and the anti-skid rubber pad is attached to lock catch recess inner wall.This application provides a kind of quick butt joint tool of air conditioner pipeline air tightness detection, when using, by pressing bolt, so that the tooth shape below of card block is inserted into the side wall of recess, so that card block can be located in recess upper and lower sliding, and then through connecting plate driving movable end is located on the axial sliding of inflation nozzle, movable end is changed by extruding and the self-adapting plug between fixed end, to adapt to the air conditioner pipeline connection demand of different pipe diameter, card block is locked into corresponding tooth shape gap under the action of spring reset force after user hand release, realize self-locking, it is simple and practical to operate.
Owner:SHENZHEN YONGXINGLONG IND DEV CO LTD

A pipeline bidirectional pneumatic feeder, positioning detection method and use method thereof

The application discloses a pipeline bidirectional pneumatic feeder, a positioning detection method and a use method thereof, and comprises a supporting sleeve, which is centrally symmetrical in length and has a first stepped hole, a second stepped hole and a third stepped hole; the second stepped hole is provided with an air inlet hole connected with a high-pressure air source; the third stepped hole is a taper angle with a necking towards a symmetry center; one end of a feeding pipe close to the symmetry center is a tapered structure and is matched with the third stepped hole, and the middle part is sealingly and slidably connected with the first stepped hole; when the feeding pipe moves axially through a driving assembly and one end thereof is sealingly contacted with the third stepped hole, the second stepped hole and the tapered structure of the feeding pipe form a sealed inner cavity; when the feeding pipe moves axially and one end thereof is separated from the third stepped hole, the inner cavity is communicated with the third stepped hole. The application has the advantages of simple structure, convenient operation, realization of bidirectional conveying of pipeline air force, suitability for different conveying environments, guarantee of stability of the same air force conveying before and after switching, and effective prevention of material blockage.
Owner:XUZHOU NORMAL UNIVERSITY

Pipeline air volume adjusting device

The invention relates to the technical field of pipelines, in particular to a pipeline air volume adjusting device which comprises a valve body component, a valve rod component and a valve rod component. The coarse adjustment component comprises a double-end lead screw and nut seats arranged at the two ends of the double-end lead screw, and the two valve plates are connected with the two nut seats respectively and can do face-to-face or back-to-back translational motion under the driving of the double-end lead screw; and the fine adjustment component comprises sliding seats corresponding to the two valve plates respectively and screw rods installed in the sliding seats, and the valve plates are matched with screw grooves of the screw rods in an inserted connection mode through elastic insertion rods so that independent fine adjustment relative to the sliding seats can be achieved. When the flow needs to be quickly adjusted, the double-end lead screw can be used for coarse adjustment; and when accurate control is needed, fine adjustment can be carried out through the screw rod. The application range of the device is greatly expanded through the dual adjusting capacity.
Owner:HUANENG GANSU ENERGY DEVELOPMENT CO LTD 803 BRANCH

Gas timing valve

The present application relates to a kind of gas timing valve in the technical field of safety valve, containing valve body, there is cavity in valve body, its opposite sides are respectively equipped with air inlet, air outlet pipeline communicated with cavity, transmission assembly for opening and closing air outlet pipeline is equipped in cavity.The air outlet pipeline air outlet end is fixedly connected overflow reset device, the device includes button assembly, connector and overflow component in the air inlet passage of connector.Button assembly contains button cap, button guide sleeve and movement shaft, button cap is sleeved in one end of button guide sleeve, button guide sleeve is axially through and is equipped with annular boss.Movement shaft is stepped shaft, smaller end is fixed in button guide sleeve and button cap, reset spring is sleeved, and the both ends of spring are respectively abutted button cap inner top and annular boss;The diameter of larger end is greater than the inner diameter of annular boss, middle part is equipped with annular necking and is equipped with reset sealing ring, and the end away from button cap is conical.Connecting head has through-hole, button guide sleeve is fixed in through-hole, and the reliability of valve core reset after lifting gas overflow can be improved.
Owner:GUIZHOU CORE TIMES INTELLIGENT TECHNOLOGY CO LTD

Atmospheric pollution control device based on real-time monitoring

The utility model discloses an atmospheric pollution control device based on real-time monitoring, which comprises a box body, an air inlet pipe is installed on the outer surface of the box body in a penetrating manner, an exhaust pipe is installed on the outer surface of one end of the box body far away from the air inlet pipe in a penetrating manner, and a monitor is fixedly installed on one end of the box body close to the exhaust pipe. A pipeline loop mechanism is arranged among the box body, the gas inlet pipe and the gas outlet pipe, and when the monitor detects that gas pollutants exceed the standard, gas can return into the device to be treated again through the pipeline loop mechanism. According to the atmospheric pollution treatment device based on real-time monitoring, after a monitor detects that gas after a long distance does not reach the standard, a normally-open electromagnetic valve is closed, a passage between a gas inlet pipe and a gas outlet pipe is closed, then a normally-closed electromagnetic valve is opened, a pipeline gas pump is started, the gas can circulate in a box body and is treated again through treatment liquid, and the treatment effect is good. After the monitor detects that the numerical value reaches the standard, the gas is discharged to the outside again.
Owner:LIAONING PROVINCIAL ECOLOGICAL & ENVIRONMENTAL AFFAIRS SERVICE CENT

Air supply system and pipeline air volume control method for equipment group

This invention discloses a group air supply system for equipment and a method for controlling the airflow in the pipeline. The group air supply system includes a temperature sensor group, pipeline components, a diameter-changing mechanism, a servo motor, and an Arduino board. The temperature sensor group monitors the outlet air temperature, equipment temperature, and ambient temperature. The servo motor adjusts the opening of the diameter-changing mechanism through the cooperation of transmission components. The Arduino board is connected to the signal pins of the servo motor and is suitable for outputting analog signals. This invention can monitor the development and changes of the temperature field of each device in the group during operation and heat dissipation, facilitating real-time guidance on the temperature preparation of the cold source. The Arduino board outputs analog signals to control the servo motor to drive the diameter-changing mechanism to automatically adjust the opening of the central through-hole formed by multiple arc-shaped baffles. This allows for adjustment of the airflow according to the actual situation of the equipment, coordinating the airflow distribution in the system.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +1