156 results about "Drying tube" patented technology

An air-cooled adiabatic heat exchanger for cooling fluids having tube bundles for receiving hot process and rendering cooled fluid, operating in three or four modes. In a dry mode, heat is exchanged with dry air drawn through the tube bundles by fans. In an adiabatic mode, air entering the heat exchanger is adiabatically pre-cooled by water-saturated adiabatic pads, while the tube bundles remain dry. In an evaporative mode, the adiabatic pads remain dry, and the tubes are wetted with evaporative cooling water. In an optional fourth mode, both the adiabatic pads and the tubes are wetted.

This application relates to a paper printing dryer, comprising: a support frame; two side plates disposed opposite to each other at the top of the two support frames; a conveyor disposed between the two side plates; the conveyor including a conveyor belt with multiple ventilation holes; a drying chamber disposed between the tops of the two side plates; multiple sets of drying pipes disposed inside the drying chamber; and an air supply unit disposed on the drying chamber; and an adsorption mechanism comprising a housing disposed between the two side plates; multiple exhaust fans disposed inside the housing. This application, through the combined use of the drying chamber, the air supply unit, and the multiple sets of drying pipes, can comprehensively and efficiently dry the ink on paper products. The negative pressure generated by the exhaust fans of the adsorption mechanism adsorbs the paper products through the ventilation holes, effectively preventing the edges of the paper products from turning over due to gas blowing, thus improving the quality of the printed products.

The utility model discloses a laboratory drying oven for coating products, and belongs to the technical field of drying equipment. The drying oven comprises a drying oven main body, a porous plate and a supporting seat in the drying oven main body, a heating assembly at the bottom and a temperature and humidity sensor on the wall. The drying oven is characterized in that an air outlet seat and a negative pressure fan are arranged above the drying oven main body, a reversing air valve is connected through an air outlet pipe, two output ends of the reversing air valve are respectively connected with a drying pipe and a humidifying pipe, and the two pipes are finally converged at an air inlet pipe and led to an air outlet disc in the oven. A detachable drying cylinder filled with silica gel is arranged at the middle section of the drying pipe; the middle section of the humidifying pipe is connected with a Venturi pipe in series, and the throat portion is connected into the ultrasonic humidifying assembly through a connecting pipe. The utility model solves the problem that the conventional laboratory oven is difficult to simulate a complex variable humidity drying process, integrates drying and humidifying functions, and is particularly suitable for research and development and quality detection of coated products with accurate requirements on drying curves.

The utility model discloses a kind of cleaning and drying equipment for steel ball, including tank, tank is equipped with limit pipe, limit pipe bottom end side is equipped with ball inlet, limit pipe top end side is equipped with ball outlet, limit pipe is equipped with auger, auger top end is connected with motor output shaft transmission, motor is fixed in tank top, tank top inner wall is equipped with drying pipe, drying pipe is gradually set downward in spiral shape, drying pipe top end is communicated with ball outlet, the cleaning and drying equipment for steel ball of the utility model, it is set in one tank to wash and dry, compact structure, space utilization is high, and adopt auger and limit pipe, it is rolled to realize cleaning again, steel ball can be made to roll upward and lift, cooperate with drain chamber, realize draining function, remove most of the water on the surface of steel ball, and cooperate with drying pipe, so that steel ball long-distance rolling falls dry, not easy to keep water bead, produce stain, and extend steel ball drying time, improve drying efficiency.

The utility model discloses a trace moisture meter capable of automatically discharging and adding liquid, and relates to the technical field of chemical equipment. The device comprises an electrolytic tank, a reagent bottle and a moisture meter main machine, a plug hole is formed in an upper end opening of the electrolytic tank, a connecting plug with the lower portion plugged in the plug hole is arranged on the plug hole, the connecting plug comprises a plug body with the circumferential face of the lower portion being a conical face, and a detachably-installed plug cap is arranged on the upper portion of the plug body. A first sealing gasket is arranged between a top plate of the plug cap and the upper end face of the plug body, the plug body, the first sealing gasket and the plug cap are provided with a liquid adding pipe hole and a liquid discharging pipe hole correspondingly, a liquid adding pipe and a liquid discharging pipe are installed in the liquid adding pipe hole and the liquid discharging pipe hole respectively, and the liquid adding pipe and the liquid discharging pipe are tightly matched with the inner wall of the liquid adding pipe hole and the inner wall of the liquid discharging pipe hole in the first sealing gasket. According to the liquid discharging and adding mechanism disclosed by the utility model, the liquid adding pipe and the liquid discharging pipe can be mounted on the electrolytic tank through the connecting plug, and the connecting plug can be taken down and replaced by a drying pipe in a moisture measurement process, so that a sample is prevented from entering a liquid discharging and adding pipeline in the measurement process.

The utility model relates to the field of hydrogen preparation, in particular to a drying device of a hydrogen generator, which comprises a drying pipe and an indication label adhered above the surface of the drying pipe, the top end of the drying pipe is fixedly connected with a connecting upper pipe, and the bottom end of the drying pipe is fixedly connected with a connecting lower pipe. The drying device comprises a connecting upper pipe and a connecting lower pipe, sealing inner pipes are fixedly connected to the top face of the connecting upper pipe and the bottom face of the connecting lower pipe correspondingly, a sealing upper cover is connected to the top faces of the sealing inner pipes in an inserted mode, limiting pieces are fixedly connected to the two sides of the surfaces of the connecting lower pipe and the sealing upper cover correspondingly, and limiting holes are formed in the two sides of the limiting pieces correspondingly. By arranging the allochroic silicagel desiccant, the 13X molecular sieve and the carbon nanosphere material, the communicating pipe of the drying device is connected with the gas inlet and the gas outlet of the hydrogen generator, so that the purpose of performing multiple drying on hydrogen in the hydrogen production process of the hydrogen generator can be achieved, the drying purity of the hydrogen is ensured, and the drying effect is improved.

The utility model provides a novel strip-shaped aluminum ceiling, which belongs to the technical field of ceilings and comprises an aluminum frame, a round opening is formed in the center of the lower end face of the aluminum frame, a mounting seat is arranged in the round opening, a drying pipe is fixedly connected to the center of the upper end face of the mounting seat, and the top end of the drying pipe is in threaded connection with a screw cap. Two clamping columns are symmetrically and fixedly connected to the side wall of the periphery of the mounting base, a limiting ring is arranged on the outer side of the mounting base and fixedly connected with the aluminum frame, two limiting grooves matched with the clamping columns are symmetrically formed in the limiting ring, and a heat preservation plate is fixedly connected into the top end of the aluminum frame. Through the arrangement of the mounting base, the drying pipe, the rotary cover, the clamping column, the limiting ring and the limiting groove, the mounting base can be quickly mounted and dismounted, a drying agent can be conveniently replaced, operation is convenient and fast, the attractiveness of a ceiling is improved, and the problem that in the prior art, the drying agent in the ceiling is inconvenient to replace is solved.

The utility model discloses a drying device for medicinal capsule production, which relates to the technical field of capsule drying and comprises a square box, a gauze element and a drying tube, a U-shaped block is mounted at the top of the square box, and the gauze element is mounted on the opposite inner walls of the U-shaped block. During use, firstly, a capsule is placed in the funnel, at the moment, the capsule on the funnel falls between the two sector plates under the action of gravity, then the moving frame can be moved through the motor, the threaded rod and the L-shaped block, the moving frame moves to enable the rotating column to rotate through the movable rod, the gear and the rack, and the capsule can be taken out. And when the two sector plates rotate to the lower portion, the capsules fall under the action of gravity at the moment, then the capsules fall quantitatively, meanwhile, the falling position is constantly changed through movement of the moving frame, and therefore the capsules are evenly fed, manual slicking adjustment is not needed, and use is convenient.

A fluid pumping system may comprise a pump and a fluid line state detector having, a receptacle, at sensor, and an illuminator. The system may further comprise a fluid transfer set including an output line for mating into the receptacle. The system may further comprise a controller in data communication with the fluid line state detector configured to power the illuminator and monitor an output signal of the sensor when the outlet line is in the receptacle to determine a dry tube light intensity value. The controller may be further configured to govern operation of the pump to prime the output line with fluid. The controller may be further configured to power the illuminator, monitor the output signal, and halt operation of the pump when the output signal indicates the light intensity value has dropped below a primed line threshold which is dependent upon the dry tube intensity value.

The utility model discloses a hydrogen transmission device for hydrolysis hydrogen production. The hydrogen transmission device comprises a buffer tank, a condenser, a water collector, a drying pipe and a water tank which are arranged in a shell, the two ends of the buffer tank are connected with an air inlet pipe and an air outlet pipe respectively, the air inlet end of the air inlet pipe is connected with an air pipe I through an electromagnetic valve I, the air outlet pipe is connected with the condenser, the condenser, the water collector and the drying pipe are sequentially connected through connecting air pipes, and the air outlet end of the drying pipe is connected with an air pipe II; the air outlet pipe is connected with a second electromagnetic valve, and the second air pipe is connected with a fourth electromagnetic valve. A drainage connector is formed in the bottom of the buffer tank and connected with the water tank through a first water pipe; the water outlet end of the bottom of the water collector is connected with the water tank through a second water pipe, and a third electromagnetic valve is arranged on the second water pipe. The device has the advantages that prepared hydrogen is efficiently and conveniently conveyed and treated, the safety performance of the device is good, the device is stably installed, the structure is compact, the size is small, and convenience is good.

The utility model discloses an energy -saving compound fertilizer production is with drying equipment, including fixed bolster and transverse installation's drying pipeline, and the both sides of pipeline are equipped with inlet pipe and discharge pipe respectively, is equipped with conveying device inside, and the top is linked with the heat supply device below through hot gas delivery structure, and the inner wall of drying pipeline is coated heat -proof coating and reduces heat loss, and the electric butterfly valve at inlet pipe place can accurate control feed quantity, and the guide vane of discharge pipe is convenient for material discharge. Conveying device adopts the spiral structure with wear -resisting ceramic coating, prolongs the life, and hot gas delivery fan is frequency conversion formula, and heat supply device is equipped with automatic temperature control system, can adjust hot gas delivery capacity and temperature according to need, and main conveying pipeline is wrapped with heat -insulating cotton and reduces heat loss. Besides, the equipment guarantees the leakproofness through graphite sealing washer, and the stability is promoted to the damping rubber block of bearing seat, and the anti -skid cat ladder of fixed bolster guarantees the operation safety, effectively improves energy utilization efficiency and production safety.

The utility model discloses a differential fiber master batch drying and storing device which comprises a bin body, and a supporting frame is arranged on the bin body. Two sets of mounting pipelines are symmetrically arranged on the bin body, drying pipelines are arranged on the mounting pipelines, the two sets of drying pipelines are slidably connected with the top end of the bin body, connecting pipelines are arranged at the top ends of the two sets of drying pipelines, and a driving assembly is arranged on the supporting frame. The drying device has the advantages that the driving assembly drives the connecting pipeline to ascend and descend, the drying pipeline is driven to reciprocate in the inner cavity of the bin body, dry airflow forms a dynamic circulation path, a standing layer formed by accumulation of fiber master batches is effectively broken, the contact uniformity of a drying medium and the master batches is remarkably improved, and the drying efficiency is improved. The problem that a traditional fixed drying device is insufficient in local drying is solved.

The utility model discloses a drying device for polyester production, which comprises a drying shell and a drying mechanism, and a partition plate is arranged at the left end in the drying shell; the drying mechanism comprises fixing plates, connecting seats, swing pipes, air outlet pipes and swing assemblies, the fixing plates are arranged at the upper end and the lower end of the interior of the drying shell correspondingly, the connecting seats which are evenly distributed are arranged on the opposite inner side faces of the two fixing plates correspondingly, and the swing pipes are rotationally connected to the interiors of the connecting seats through driven shafts correspondingly. Moisture on the surface of terylene is pre-scraped through the auxiliary element, the subsequent drying speed of terylene is increased by reducing initial moisture on the surface of terylene, meanwhile, the device enables a hot air drying pipeline of terylene to longitudinally swing front and back through the transmission element, and the longitudinal hot air direct blowing coverage range of the hot air drying pipeline on the surface of terylene is enlarged. Therefore, the drying speed of the device on the polyester is further improved.

1. Name of the design product: Drying tube (SD-8881). 2. Use of the design product: Drying tube for drying shoes, socks, hats, gloves and other articles. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

A fluid pumping system may comprise a pump and a fluid line state detector having, a receptacle, at sensor, and an illuminator. The system may further comprise a fluid transfer set including an output line for mating into the receptacle. The system may further comprise a controller in data communication with the fluid line state detector configured to power the illuminator and monitor an output signal of the sensor when the outlet line is in the receptacle to determine a dry tube light intensity value. The controller may be further configured to govern operation of the pump to prime the output line with fluid. The controller may be further configured to power the illuminator, monitor the output signal, and halt operation of the pump when the output signal indicates the light intensity value has dropped below a primed line threshold which is dependent upon the dry tube intensity value.

An air conditioner outdoor unit uses a waterproof and corrosion-resistant outer casing, comprising the air conditioner casing body, a guide pipe, an air inlet, and an air outlet. The guide pipe is fixedly installed at the air outlet of the air conditioner casing body and is placed horizontally. An air inlet is opened inside the air outlet of the guide pipe, and the inside of the guide pipe is hollowed out. An air outlet is fixed to the air conditioner casing body and connected to the guide pipe, with air outlet holes. Because this utility model has a guide pipe at the air outlet of the air conditioner, it can guide air to the side of the air conditioner outdoor unit, and through the drying pipe, dry the outer casing of the air conditioner outdoor unit and blow away impurities on the outer casing.

The utility model discloses a pet pad cleaning device belongs to pet pad cleaning technical field, including casing, upper cover, rotating drum, is equipped with through -hole on the rotating drum, and the upper end of rotating drum is equipped with the top plate, and the top plate is equipped with the positioning jack; The bottom of casing is equipped with the support station, and the upper portion of support station is rotatably connected with the rotating platform, and the support station is installed drying pipe; The upper cover upper side is installed motor, and the motor output end is downwardly through the upper cover, is connected with the positioning plug axle; The inside of casing lateral wall is connected and installs the cleaning pipe, and the inside of cleaning pipe is installed a plurality of sprays, and the casing is connected with the water inlet pipe that communicates with the cleaning pipe. When using, the pet pad is fixed around the outside of rotating drum, and the rotating drum is placed on the rotating platform, and the upper cover is covered on the casing, and the positioning plug axle is positioned and inserted with the positioning jack, and the motor rotates. First, the pet pad is washed and sprayed through the spray head; again, hot air is filled into the rotating drum through the drying pipe and is dried. The efficient cleaning, drying of pet pad can be realized, and the pet pad is cleaned in the closed space, and the water stain cannot splash to the outside.

This invention relates to the field of black carbon aging research technology, and more particularly to an experimental apparatus for black carbon aging research, comprising: a sample introduction system, including a heating tube, a pretreatment tube, an oxidizing gas removal tube, and a drying tube connected in series; a black carbon coating device, including an injection assembly, a coating chamber, a first absorption chamber, a heating removal assembly, and a second absorption chamber connected in sequence; a detection system, connected to the first absorption chamber, the heating removal assembly, and the second absorption chamber; an integrated device, including a mounting box and an aerosol charging device, a first differential migration particle size analyzer, a second differential migration particle size analyzer, and a condensed particulate matter counter disposed within the mounting box; and a control system, disposed within the mounting box, for regulating the sample introduction system, the black carbon coating device, the detection system, and the integrated device. This invention improves the convenience of black carbon research.

The utility model discloses a ceramic glaze flash drying machine, and particularly relates to the technical field of ceramic glaze drying, which comprises a drying support, a drying base is arranged outside the upper end of the drying support, a drying pipe is arranged at the upper end of the drying base, a drying top cover is arranged at the upper end of the drying pipe, and a concave mounting groove is formed in the upper side of the inner end face of the drying base. A supporting plate is arranged in the concave mounting groove; a concave air distribution groove is formed in the end face of the supporting plate. In the actual use process, under the corresponding arrangement state of the first installation supporting piece, the clamping piece, the locking bolt and the second installation supporting piece, the convenience of installation and disassembly of the drying base, the drying pipe and the drying top cover can be effectively improved, meanwhile, the installation stability of the drying pipe and the drying top cover can be effectively improved, and the service life of the drying pipe is prolonged. And meanwhile, under the corresponding arrangement state of the supporting plate and the concave air distribution groove, hot air in the drying base can be conveniently distributed, and therefore the drying uniformity of the ceramic glaze can be effectively improved.

The utility model discloses pneumatic valve air source drying treatment equipment, which comprises a tank body, a rotating switching mechanism, a heating evaporation mechanism and a drying treatment mechanism, a rotating frame is rotatably arranged in the tank body through a bearing, a motor is fixedly arranged on one side outside the tank body, drying tanks are symmetrically and fixedly arranged in the rotating frame up and down, and filter screens are symmetrically and fixedly arranged at two ends in the drying tanks. Butt joint holes are symmetrically formed in the two sides of the rotating frame up and down, first butt joint bases are symmetrically and fixedly arranged on the upper portion in the tank body, a heating evaporation mechanism is arranged on the lower portion in the tank body, and a drying treatment mechanism is arranged on the upper portion in the tank body; the motor drives the rotating frame to rotate to drive the drying tanks to sequentially rotate to the upper portion in the tank body to be in butt joint with the first butt joint base for replacement and alternate drying treatment, rapid replacement of water absorbents of the drying tanks is achieved, and the drying treatment efficiency is guaranteed; after the drying pipe is in butt joint with the second butt joint seat, the electric heating pipe is electrified and heated, so that water in the water absorbent is evaporated and discharged from the evaporation pipe, and the water absorbent fully absorbing water is regenerated and recycled conveniently.

The invention relates to material crushing equipment for a PVC drying pipeline. The material crushing equipment comprises a spiral conveyor, a cyclone drying bed, an airflow drying tower, a crusher and an air blower, the cyclone drying bed and the airflow drying tower are sequentially arranged from top to bottom, the upper end of the airflow drying tower is communicated with the cyclone drying bed, and the discharging end of the spiral conveyor is communicated with the middle of the airflow drying tower; an air outlet of the air blower communicates with the middle of the airflow drying tower and is located below the discharging end, and the air blower is used for feeding airflow into the airflow drying tower and is matched with the airflow drying tower to form an airflow conveying channel from bottom to top; the crusher is detachably installed in the airflow drying tower and correspondingly arranged on a material conveying path between the discharging end and the air outlet. According to the material crushing equipment for the PVC drying pipeline, large PVC materials can be crushed in time, the situation that a conveying channel is blocked due to the fact that the large materials fall into the bottom of an airflow drying tower to be stacked is avoided, and production continuity is guaranteed.

The invention discloses a single-tube AI closed-loop drying control method for a window type oxygen-enriched membrane fresh air complete machine, and belongs to the technical field of air treatment equipment. The method comprises the steps that temperature and humidity of an inlet and an outlet of a drying tube, environment temperature and humidity and heater power data are collected in real time; inputting into an AI model to calculate an optimal regeneration duration and a dynamic heating power control sequence, calculating an air dew point at an outlet of a drying pipe in real time, and triggering regeneration when the air dew point is not lower than a dynamic threshold value; and in the regeneration execution stage, a heater is controlled according to the power sequence output by the AI model, it is ensured that an air channel leading to the oxygen-enriched membrane assembly is unblocked continuously in the regeneration period through air valve switching, and fresh air supply is maintained. The problems that a traditional single-pipe regeneration system is high in energy consumption, the regeneration time is not accurate, and fresh air supply is interrupted in the regeneration period are solved, intelligent and on-demand control of the drying regeneration process is achieved, the energy efficiency is remarkably improved, and meanwhile the continuity of the oxygen-enriched fresh air function of equipment is guaranteed.

The invention relates to the technical field of diving equipment, and discloses an underwater breathing device which comprises a pipeline, a propeller thruster is fixedly installed in the pipeline, an ultrasonic transducer is fixedly installed in the pipeline, a waterproof breathable film is fixedly installed in the pipeline, the rear end of the pipeline is fixedly connected with a first vacuum pump, and the rear end of the pipeline is fixedly connected with a second vacuum pump. The surface of the first vacuum pump is fixedly connected with an air compressor, and the surface of the air compressor is fixedly connected with a drying pipe. The surface of the drying pipe is fixedly connected with a first molecular sieve adsorption tower, and the surface of the first molecular sieve adsorption tower is fixedly connected with a first two-position three-way electromagnetic valve. According to the device, dissolved oxygen in water is captured, other chemicals or gas cylinders are not needed to provide oxygen except for air in the gas bag, the large mass caused by the gas cylinders is reduced, the diving time is prolonged, and the oxygen content of breathing gas can be controlled.

The application discloses an integrated system and method for online observation of stable isotopes of multiple methane emission pathways in rice fields, collects methane gas emitted by plants and non-plant mediation respectively, pre-processes the gas by using a Nafion membrane drying tube and a correction algorithm, realizes continuous measurement of data by using a cavity ring-down spectrum-based analyzer, controls semi-automatic or full-automatic switching of different cavities by using a multi-channel switching and control module, and finally analyzes stable isotope characteristics of plant-mediated and non-plant-mediated emission by using a data processing module combined with a Keeling plot method, so that integrated, continuous and online observation of methane emission pathways in rice fields is realized, and real-time performance, comparability and model verification capability of data are significantly improved.

The present application relates to the technical field of fabric drying, in particular to a textile fabric drying equipment for textiles, which comprises an equipment rack, a drying assembly and a positioning assembly, the inside of the equipment rack is provided with the drying assembly, and the inside of the equipment rack is provided with the positioning assembly. The fan of the drying assembly blows air into the inside of the drying pipe, the airflow entering the inside of the drying pipe is blown outwards through a plurality of blowing ports, the textile fabric located in the inside of the positioning assembly is blown and puffed, so as to be gathered into a circular cavity. At the same time, the airflow blown out by the blowing ports continuously blows and dries the heat radiated by the spiral heating wire to the surface of the textile fabric gathered into a circular cavity, and the outer wall of the bottom sealing air bag and the outer wall of the top sealing air bag are attached to the inner wall of the gathered textile fabric, so as to prevent the heat airflow from flowing through the gaps between the heat insulation plate and the textile fabric and the gaps between the collector cover and the textile fabric, which is beneficial to heat preservation in the inside of the gathered circular cavity, thereby improving the drying effect.

The utility model discloses a pressurizing building safety valve anti-freezing structure and a pressurizing building. The anti-freezing structure comprises a pressure balance section and a dehumidification section. The pressure balance section is used for balancing the air pressure in the supercharged building and on one side of the safety valve; a movable plug is arranged in the pressure balance section, the plug separates the safety valve from the indoor space in a normal state, and indoor gas is discharged to the safety valve through a pipeline when the plug acts towards one side of the safety valve under the action of pressure difference; the dehumidification section is used for drying gas in the pipeline and gas leading to the safety valve, and steam is prevented from being frozen in the safety valve. The anti-freezing structure can avoid frosting inside the safety valve and does not affect pressure relief of the safety valve.

This invention discloses a vapor-containing enclosed space aerosol sampling and measurement device, comprising: an aerosol sampling tube extending into the enclosed space; a measurement unit connected to the aerosol sampling tube via pipelines; a particle size analyzer connected to the measurement unit; a calibration particle container located at the inlet of the measurement unit; a condensate washing tank, a drying tube, and a flow controller sequentially connected to the measurement unit via pipelines; and an injection and purging pipeline connected to the aerosol sampling tube. Compared to the prior art, in this invention's vapor-containing enclosed space aerosol sampling and measurement device, a three-stage condensate washing tank, a drying tube, and a flow controller are connected downstream of the measuring instrument. This allows for the condensation of vapor in the sampled gas and the filtration of solid dust, ensuring that the air entering the flow controller is low-temperature, dry, and pure. This enables effective control of the sampled gas flow rate, ensuring the accuracy of aerosol concentration and particle size distribution measurements in the vapor-containing mixed sampled gas.

The utility model discloses a pipeline spraying repair device, which relates to the technical field of pipeline maintenance, and comprises a hard middle shaft rod piece, two disc frames and a middle rotating body, the disc frames and the middle rotating body are connected in series by taking the hard transmission middle shaft rod piece as a shaft, the two disc frames are symmetrically fixed at two ends of the hard middle shaft rod piece, and the middle rotating body is connected with the disc frames. And the middle rotating body is rotationally connected between the two disc frames. Through cooperation of the air-drying type atomizing spray gun and the adaptive mechanical arm rod piece, the pipe wall can be rapidly dried, needed materials can be sprayed, the construction efficiency is improved, the air-drying type atomizing spray gun can be adjusted to the position suitable for the pipe diameter size through the adaptive mechanical arm rod piece, it is ensured that spraying is even, and material waste is avoided; and due to the design of the supporting walking mechanism, the spraying device can freely move in the pipeline, and the device can be adjusted through the walking adjusting mechanism so as to adapt to pipelines with different diameters, and the universality of the device is improved.

The invention provides a water-gas mercury coupling online monitoring device and method. The water-gas mercury coupling online monitoring device comprises a water body mercury automatic online sampling unit, a gas mercury automatic online sampling unit and a mercury detector, the water body mercury automatic online sampling unit comprises a filtering membrane, a first drying pipe, a stop valve, a first mass flow controller and a first mercury enrichment pipe which are sequentially connected through a pipeline; the gas mercury automatic on-line sample injection unit comprises a peristaltic pump, a precipitation bottle, a metering pump, a water quality mercury thermal desorption pipe, a second drying pipe and a second mercury enrichment pipe which are sequentially connected through a pipeline; the mercury detector is connected to the first mercury enrichment pipe and the second mercury enrichment pipe; and an inlet of the first mercury enrichment pipe and an inlet of the water quality mercury thermal desorption pipe are connected with a carrier gas source. The invention innovatively develops the water-gas mercury coupling on-line monitoring device and method, and provides a scientific technical method and support for collaborative monitoring and evaluation of environmental water quality, gas mercury concentration and pollution conditions, accurate measurement of exchange flux of mercury on a water-gas interface and treatment of mercury pollution.

The application relates to the technical field of mass spectrometry in-situ cell, and discloses a membrane electrode in-situ cell for differential electrochemical mass spectrometry working condition characterization, which comprises a transition plate, a through hole is formed in the transition plate, a hydrophobic air-permeable membrane is arranged in the through hole, and the membrane electrode in-situ cell further comprises a membrane electrode assembly, the membrane electrode assembly comprises a proton exchange membrane and catalytic layers arranged on the two sides of the proton exchange membrane, and the two sides of the proton exchange membrane are connected with polar plates through gas diffusion layers, and flow channels are arranged in the polar plates; the physical barrier of the hydrophobic air-permeable membrane fundamentally prevents a large amount of water vapor from entering the mass spectrometer, protects the instrument, and improves the detection sensitivity and accuracy of trace gas products; and the standard MEA without modification is directly tested, the real working state is maintained, and the obtained data can better reflect the actual application performance; in addition, an external cold trap, a drying tube and a long-distance transmission pipeline are omitted, the path of the gas from generation to entering the mass spectrometer is extremely short, the response time is fast, and the system dead volume is small.