43results about How to "Reduce inhalation" patented technology

The invention provides an electronic oil gas recovery oil gun which comprises a sealing and pressure detection module used for sealing an oil filling port of an injected container and detecting the pressure value of a gas collecting hood in the oil filling process; and the control module is used for judging whether the injected object is provided with the vehicle-mounted refueling oil gas recovery system or not based on the pressure value of the gas collecting hood. According to the electronic oil gas recovery oil gun, a unique sealing structure is adopted, so that secondary oil gas recovery of a gas station is carried out in a relatively closed environment, air suction is effectively reduced, and the problem of excessive discharge caused by air suction of an underground oil tank is solved.

The utility model discloses an anti-splashing environment-friendly special oil gun device for motorcycle refueling, which comprises an oil gas recovery refueling gun and an oil gas recovery device arranged at a gun nozzle of the oil gas recovery refueling gun, the oil gas recovery device comprises a fixed base and a gun nozzle jacket, one end of the gun nozzle jacket is connected with the fixed base, and the other end of the gun nozzle jacket is connected with the oil gas recovery refueling gun. A gun nozzle of the oil gas recovery oil gun is sleeved with the fixed base, the gun nozzle outer sleeve is tubular, a tube cavity is formed in the middle of the gun nozzle outer sleeve, a plurality of oil gas recovery holes are formed in the middle section of the gun nozzle outer sleeve and distributed at intervals in the circumferential direction, and a differential pressure balance hole is formed in the gun nozzle outer sleeve close to one end of the fixed base. The oil gas recovery hole and the differential pressure balance hole are both communicated with the pipe cavity. The device promotes oil gas recovery, reduces reverse spraying overflow or splashing in the refueling process, contributes to pollution reduction and air purification, protects the body health of staff, and greatly improves the benefits of enterprises.

The utility model relates to a gas pipeline detector which comprises a first arc-shaped sleeve, the outer wall of the first arc-shaped sleeve is fixedly connected with a mounting shell, the inner side of the mounting shell is detachably connected with a gas detector body, and a gas suction assembly is arranged between the gas detector body and the mounting shell. A second arc-shaped sleeve is arranged on the side, away from the mounting shell, of the first arc-shaped sleeve, and a mounting assembly is arranged between the first arc-shaped sleeve and the second arc-shaped sleeve. The mounting assembly comprises a mounting block and a limiting block, the mounting block is fixedly connected to the outer side of the second arc-shaped sleeve and inserted into the inner side of the first arc-shaped sleeve, the limiting block is located on the inner side of the first arc-shaped sleeve and inserted into the inner side of the mounting block, and a connecting rod is fixedly connected to the side, away from the mounting block, of the limiting block; the outer wall of the connecting rod is sleeved with a spring. According to the gas pipeline detector, the detection stability is greatly improved, the detection accuracy is improved, the use is convenient, and the practicability is high.

The invention discloses a large-scale integrated device for extracting helium from BOG (boil-off gas) gas, which comprises a mounting bottom plate, a fixed frame body and a mounting frame body, the fixed frame body is mounted at the upper end of the mounting bottom plate, the mounting frame body is mounted between the fixed frame body and the mounting bottom plate, and an extraction structure is arranged at the upper end of the mounting bottom plate. The extraction structure comprises a first-stage catalytic dehydrogenation reactor, a cooler, an adsorption assembly, a raw material gas compressor, a separation assembly, a vacuum pump, a second-stage catalytic dehydrogenation reactor, a third-stage catalytic dehydrogenation reactor, a helium purifier, a fixing assembly, a helium bottle and a rotary mounting assembly. Due to the fact that the physical properties of hydrogen and helium are very close, hydrogen in pure helium cannot be removed through a pressure swing adsorption or cryogenic process, the permeability coefficient of gas molecules is increased by adopting a mode of pressurizing before membrane and vacuumizing after membrane, and the helium can achieve high yield and purity by using a small membrane area.

The utility model discloses a silencer shell detection tool, and particularly relates to the technical field of silencer shell detection tools, which comprises a detection tool piece arranged at the top of a bottom plate and used for fixing a silencer shell. The supporting mechanism is distributed in a mirror image mode and used for supporting the silencer shell, the two sets of detection tool hole mechanisms are used for positioning the silencer shell, the first transverse positioning mechanism and the second transverse positioning mechanism are used for transversely positioning the silencer shell, and the two sets of detection block mechanisms are arranged outside the two ends of the silencer shell respectively. According to the utility model, the hole site on the silencer shell is clamped through the detection tool hole mechanism, the two ends of the silencer shell are aligned and leveled through the first transverse positioning mechanism and the second transverse positioning mechanism, and then the two ends of the silencer shell are pressed and fixed through the detection block mechanism, so that through multi-direction positioning, the detection efficiency is improved; and the assembly accuracy of the silencer shell can be ensured, so that the accuracy and stability of subsequent welding of the silencer shell are improved.

The utility model discloses a circuit structure of an electronic hookah. The circuit structure comprises an MCU main control module, a driving module, a heating module, a temperature control module and a power supply module for supplying power to the electronic hookah, the heating module is composed of a heating wire and a heating piece which are electrically connected with the driving module. According to the scheme, by arranging the MCU main control module, the driving module, the heating module, the temperature control module and the power supply module for supplying power to the electronic hookah, the temperature of a tobacco bowl or hot airflow in the electronic hookah can be monitored in real time, so that the heating power of a heating wire and a heating piece can be adjusted in time, tobacco burning or equipment overheating is prevented, and the use experience of a user is guaranteed; and moreover, by adjusting the heating power and controlling the temperature, the inhalation of harmful substances can be reduced. Meanwhile, the heating module is composed of a heating wire and a heating piece, a single heating source is not adopted any more, the tobacco materials are heated more evenly, the smoke taste is richer, and the smoking experience of a user is improved.

The invention discloses a lens mold clamping device, and relates to the technical field of lens production, the lens mold clamping device comprises a base, a clamping mechanism mounted on the base and used for clamping a lower mold base and an electric push rod mounted on the base and used for driving an upper mold base to move in the vertical direction, and a waste gas treatment mechanism is mounted on the base; the waste gas treatment mechanism comprises a UV photolysis device mounted at the top of the base, a gas suction hood mounted at the top of the base and a negative pressure assembly mounted at the top of the base; and an air inlet pipe of the UV photolysis device is communicated with the air suction cover through a negative pressure assembly. According to the invention, harmful gas inhaled by workers can be reduced.

The utility model discloses a cement self-leveling floor surface automatic color slinging mechanical device which comprises a bearing plate and supporting plates, the two sides of the bearing plate are both provided with the supporting plates, the supporting plates are fixedly connected with the bearing plate, a collecting box is installed at the top ends of one set of supporting plates, the collecting box is fixedly connected with the supporting plates, and the supporting plates are fixedly connected with the collecting box. First hydraulic cylinders are arranged at the corners of the top end of the supporting plate correspondingly and fixedly connected with the supporting plate, first pushing arms are installed at the output ends of the first hydraulic cylinders correspondingly, pulleys are installed at the bottom ends of the first pushing arms correspondingly, and dust suction rings are installed at the bottom ends of the adjusting frame and the bearing plate correspondingly. According to the device, dust and gas can be conveniently sucked and filtered, matched grinding areas can be adjusted in a linkage mode, multiple sets of areas can be conveniently ground at the same time, dust inhaled by a user is reduced, and the use safety and grinding efficiency of the operator are improved.

This invention relates to a dry ice spray cleaning and sterilizing device, aiming to solve the technical problem of the current dry ice spray cleaning and sterilizing devices having only a single spraying operation function. The device includes a cabinet; an embedded sterilization and cleaning tank is provided on the upper surface of the cabinet; the gap between the inner wall of the cabinet and the outer wall of the embedded sterilization and cleaning tank forms a multi-stage operating chamber; the embedded sterilization and cleaning tank is an electrically heated structure; and multiple cleaning components are provided inside the multi-stage operating chambers; and a dual-mode sterilization and cleaning system is provided at the output end of the multi-stage cleaning components; a transparent splash guard is hinged to the outer wall of the cabinet relative to the embedded sterilization and cleaning tank. This invention improves the cleaning effect of high-pressure dry ice spraying by adapting two operating modes to the continuous, efficient, and fully covered contact of the foam cleaner, and adapting the intermittent contact of the dry ice spraying operation to the changes in spray distance caused by angle changes during actual operation.

The utility model belongs to the technical field of 1-methylcyclopropene liquid filling, and particularly relates to a 1-methylcyclopropene liquid filling device which comprises a conveying device, supporting rods are symmetrically arranged on the two sides of the conveying device, side plates are symmetrically arranged on the two sides of the middle of the conveying device, and a top plate is arranged on the upper sides of the side plates. An electric telescopic rod is arranged in the middle of the upper side of the top plate, the output end of the electric telescopic rod penetrates through the top plate to the lower side to be provided with a filling pipe, air exhaust shells are arranged on the upper sides of the side faces of the side plates, and the input ends of the air exhaust shells face one side of the filling pipe. In the filling period, the air pump is started, the air pump exhausts air from the air exhaust shell through the first output pipe, the air exhaust shell exhausts air near the container, the volatilized conveying device-methylcyclopropene can be exhausted by the air exhaust shell and then is fed into the discharge pipe through the second output pipe, and the discharge pipe can be externally connected with a collecting device for collection. The situation that volatile gas of methylcyclopropene of a conveying device is inhaled by workers is greatly reduced, and harm to the workers is reduced.

The utility model relates to a heating device for steel belt production, which is applied to the technical field of steel belt production equipment and realizes that a steel belt enters the heating equipment from a discharge hole in the back surface of the heating equipment to be heated and processed and is conveyed to a conveying belt from a discharge hole in the front surface of the heating equipment after being heated, so that the heated steel belt is conveyed. Heat generated in the machining process leaks into the protective cover from the discharging port, waste gas generated in the machining process leaks accordingly, at the moment, the air pump can be started to extract the waste gas leaked into the protective cover through the exhaust pipe for purification treatment, the waste gas is prevented from being leaked into the air, and meanwhile when the steel belt subjected to heating treatment is conveyed through the conveying belt, the waste gas is prevented from leaking into the air. When the steel belt moves out of the protective cover from the opening, the blocking brush scrapes the steel belt at the moment, chippings carried in heating treatment are swept to the conveying belt, the chippings fall into the storage box to be collected and treated when the conveying belt rotates, the blocking brush can shield the opening, the outlet is narrowed, and heat loss can be weakened.

The invention provides a dustproof water curtain automatic dust falling device which comprises a winding mechanism, the winding mechanism comprises a winding roller, and a main shaft rod is installed in the winding roller; a winding steel cable is wound on the winding roller, one end of the winding steel cable is connected to the output end of the telescopic air cylinder, one end of the main shaft rod is connected with an auxiliary shaft rod through an adapter, a ball valve element is arranged at one end of the auxiliary shaft rod, the auxiliary shaft rod is located in the ball valve shell, and the lower portion of the ball valve shell communicates with a first water pipe. The first water pipe is communicated with a transverse flow guide pipe and an inclined flow guide pipe; the upper end and the lower ends of the two sides of the water curtain are each provided with a connecting ring, and the other end of the winding steel cable is connected to the connecting ring at the upper end of the water curtain. The linked telescopic air cylinder drives the winding steel cable to conduct adjustment control, one end of the main shaft rod controls rotation of the ball valve element through the auxiliary shaft rod, and meanwhile the winding steel cable is connected with the water curtain through the guide roller.

The invention relates to the technical field of transportation and storage, in particular to a controllable material suction machine which comprises a material suction machine shell, an adjusting mechanism is slidably connected to the inner wall of the material suction machine shell, four sets of sliding grooves are formed in the material suction machine shell, a flow guide frame is fixedly connected to the inner wall of each set of sliding groove, and an impurity filter screen is clamped to the top of each flow guide frame. Considering that the interior of a material suction machine shell is gradually filled with materials during material suction and storage, the suction amount needs to be increased to suck the materials when a large amount of materials are sucked in the early stage, and the suction amount needs to be reduced when the material suction machine shell is to be filled, so that the situation that redundant materials are left in a feeding port due to the fact that the interior of the material suction machine shell is filled is avoided; therefore, the suction force needs to be controlled; before the materials are transported and stored, the materials may be spread on the ground to wait for collection, the materials may be contaminated with impurities such as dust or sandy soil, after the adsorption capacity is increased, a raw material filter screen and an impurity filter screen are blocked, air circulation cannot be kept, and thus the materials cannot be continuously sucked.

A method for increasing the amount of gas recovered in the early stage of smelting under low iron consumption mode includes the following steps: 1) When the converter is started and ignited, the speed of the primary dust collector fan is 1200 r / min to 1300 r / min; 2) After the converter is started and ignited normally, the movable fume hood is lowered to the lower limit; 3) The converter is blown for 1 minute and 30 seconds to complete the start-up curve, and the blowing oxygen pressure is increased to 0.90 Pa to 0.95 MPa; 4) The position of the blowing lance in the early stage is reduced from 1.85 m to 1.65 m to increase the temperature rise rate of the molten pool in the early stage; 5) The timing and structure of charging are adjusted according to the trend of molten iron temperature and carbon monoxide content in flue gas; 6) The speed of the primary dust collector fan is increased in a stepwise manner to reduce the amount of air intake and the amount of carbon monoxide burned in the flue gas; gas recovery is carried out after the conditions for gas recovery are met. This method optimizes the timing of material feeding by adjusting the position of the blowing lance, the material distribution structure, and the speed of the primary dust removal fan in the early stage of the blowing process, and by combining the trend of carbon monoxide content in the flue gas. This enables rapid temperature increase in the early stage of the blowing process, thereby improving the timing of carbon-oxygen reaction and gas recovery time in the early stage of converter smelting.

The utility model relates to an automobile transport ship and a vehicle cabin ventilation system thereof. The ventilation system comprises an air inlet device, an air exhaust device, a detection device and a control device. The air inlet device comprises a shutter and an anemograph, and the shutter is of a box body structure with air entering from four sides and is communicated with a vehicle cabin. And the air exhaust device comprises an air exhaust fan communicated with the vehicle cabin. The detection device is arranged in a vehicle cabin and used for detecting the air quality in the vehicle cabin. The control device is connected with the air inlet device, the air exhaust device and the detection device and used for receiving a first signal detected by the anemograph and a second signal detected by the detection device, controlling the shutter to work according to the first signal and controlling the air exhaust fan to work according to the second signal. According to the system, ventilation is conducted in an unpowered air inlet and powered air exhaust mode, and moisture and salt sucked into a vehicle cabin can be reduced to the maximum extent. The system can effectively improve the air quality in the vehicle cabin and improve the protection effect on the vehicle.

The invention relates to a PVDF / CA (Polyvinylidene Fluoride)-Ag-MOF (Polyvinylidene Fluoride) composite filter material as well as a preparation method and application thereof. The preparation method comprises the following steps: providing an Ag-MOF material; mixing polyvinylidene fluoride, cellulose acetate and a first organic solvent to prepare a mixed solution; the Ag-MOF material is dispersed in the mixed solution, and a spinning precursor solution is prepared; and carrying out electrostatic spinning on the spinning precursor solution, and drying to obtain the composite material. Polyvinylidene fluoride (PVDF) / cellulose acetate (CA) / organic solvent / Ag-MOF materials are used as raw materials to prepare a spinning precursor solution, the PVDF / CA-Ag-MOF composite filter material can be prepared after a specific process is adopted, the PVDF / CA-Ag-MOF composite filter material has stable and lasting static electricity and good heat resistance, enhanced filtration of radioactive substances including Po-210 aerosol can be achieved, and the filter material can be applied to the field of chemical engineering. The inhalation amount of Po-210 aerosol and the like by people is effectively reduced, the safety of the people is guaranteed, and the comfort of the people is improved. In addition, the Ag-MOF has a relatively large specific surface area, so that the reaction area of the Ag-MOF to the Po-210 is increased, and a relatively good Po-210 adsorption effect is shown.

The utility model relates to the technical field of sewage treatment, and disclose a coal mine wharf sewage treatment is with multilayer filtration's clean water pool, including clean water pool body, clean water pool body includes the aeration tank for treating coal mine wharf sewage, is located the collecting piece for collecting gas in aeration tank top, is used for treating the gas after collection's purification device and gas recycling device, and purification device includes dust removal dehydration unit, desulfurization deodorization unit and oxygen enrichment unit, and dust removal dehydration unit, desulfurization deodorization unit and oxygen enrichment unit are sequentially connected and set up. The clean water pool of the application has realized the whole process collaborative treatment of sewage pretreatment, aeration reaction, gas recovery purification and recycling, can effectively remove coal dust, water vapor, hydrogen sulfide, volatile organic compounds and other pollutants in gas, and improve oxygen concentration, both avoid secondary pollution, and realize the resource recovery of coal dust.

This application discloses a 3D printing post-processing workstation, which includes a worktable, a door, a mask, and a recycling device. The recycling device includes a recycling pipe, a first recycling section, a recycling tank, and a suction pump. The first recycling section is fixed to the door and has a first suction port, which opens at the upper end of the door. The suction pump draws the printing material sucked in from the recycling pipe and the first suction port into the recycling tank by creating negative pressure. Compared with existing technologies, this technical solution effectively improves the working environment and operating conditions for operators.

The utility model discloses a titanium alloy powder cold isostatic pressing mould charging device, including the upper and lower intercommunication's material tank and vacuum box. The material tank is connected with the vacuum box feed port through the discharge port of taking the valve, and vacuum system, glove port and observation window are equipped for the vacuum box, and the vibration dish, rotatory disc and weighing device are established at the bottom of the box, and the cold isostatic pressing mould is placed on it. The device prevents titanium powder oxidation through the vacuum environment, and the vibration uniform material is combined with the rotation material distribution and improves the uniformity of charging, and the weighing device realizes accurate control, and the quality of cold isostatic pressing blank is improved obviously.

The utility model discloses an oblique flow type air water cooling source cooling unit relates to high pressure frequency converter heat dissipation technical field, the inside fixed mounting of box body has shell and tube type condenser and compressor, the inner wall fixed mounting of box body has electric cabinet, the top fixed mounting of box body has the fan, the inner wall one side fixed mounting of box body has evaporimeter, fixed mounting has the oblique flow board in the air duct between fan and evaporimeter, install the expansion valve on the pipeline that shell and tube type condenser and evaporimeter communicate, and the air outlet is opened and communicated between box body and frequency converter chamber, and the device passes through efficient refrigeration system and air path design, effectively reduces the heat that high pressure frequency converter generates when operating, prevents indoor temperature too high, simultaneously, the indoor negative pressure that optimization's air pressure and air volume control reduced, avoids dust to be inhaled indoor, thereby protects electrical equipment from dust influence, prolongs equipment life.

The utility model relates to the technical field of agricultural planting, and disclose an irrigation sprinkler device for agricultural planting, including mobile base, the top of mobile base is installed with rotating mechanism, and the top of rotating mechanism is provided with support column. This irrigation sprinkler device for agricultural planting is provided with motor, screw rod, lifting piece, connecting plate, sprinkler head, receiving plate, pivot and electric push plate, can drive screw rod to rotate and drive lifting piece to lift through starting motor, make the height of sprinkler head adjust, can adjust the spraying range of crops in turn, and starting electric push plate can push receiving plate to rotate on the pivot, make the inclination angle of sprinkler head adjust, make the spraying direction of sprinkler head adjust in turn, make sprinkler head can carry out accurate spraying irrigation to somewhere, reached the effect that the height and angle of sprinkler head were adjusted, improved the practicality of spraying device.

The utility model relates to solid waste compression equipment which comprises a frame body and a box body arranged on the frame body, a first walking assembly is arranged between the frame body and the box body, the upper portion of the box body is open, a material storage cavity is formed in the box body, an extrusion assembly is arranged on the upper portion of the box body, the box body is provided with a material loading position and an extrusion position, and the material loading position and the extrusion position are arranged on the box body. When the box body reaches the loading position, the solid waste is loaded into the material storage cavity, and when the box body reaches the extrusion position, the extrusion assembly extrudes the solid waste in the material storage cavity. Through cooperation of the material storage cavity and the extrusion assembly, solid waste can be collected and compressed, solidification of solid waste dust is achieved, dust inhalation of workers is reduced, and secondary pollution is reduced; the box body can move within a certain range under the action of the first walking assembly, when the working space is narrow, the position of the box body can be adjusted according to the use requirement, and the overall flexibility and use compatibility are improved.

This invention relates to drug nebulizers, specifically disclosing a wearable respiratory medicine drug nebulizer, comprising a housing and a handle fixedly connected to its lower end. The housing has an internal air collecting tube and an external exhaust port extending into the air collecting tube, with a breathing mask connected to the exhaust port. An elastic cord for wearing the breathing mask on the patient's face is connected to the housing, and a medicine bottle is mounted at the upper end of the housing. An air compressor is installed inside the housing. The air collecting tube is connected to the medicine bottle via an air delivery tube, and the middle part of the air delivery tube is connected to the exhaust end of the air compressor. This invention results in fewer droplets in the breathing mask during patient exhalation, reducing medication waste; and more droplets in the breathing mask during patient inhalation, facilitating the inhalation of more medication-containing droplets, thereby improving medication utilization.

The invention discloses a metal door and window surface paint spraying device, and relates to the technical field of door and window paint spraying, according to the technical scheme, the metal door and window surface paint spraying device comprises a bottom plate, a vertical plate is fixedly connected to the top of the bottom plate, a shell is arranged at the top of the bottom plate, and four supporting rods are fixedly connected between the shell and the bottom plate; the rotating shaft I is embedded in the top of the shell, the bottom end of the rotating shaft I extends into the shell, the rotating shaft I is hollow, and a shell body is fixedly embedded in the rotating shaft I. The paint stirring device has the beneficial effects that the shell, the rotating shaft I, the rotating shaft II, the shifting rod, the net plate, the net shell, the spiral strip and other components are designed, and when the paint stirring device is used, paint can be stirred and mixed; therefore, the device has the function of preparing paint, paint does not need to be diluted, stirred and mixed manually before paint spraying, the labor intensity of workers can be reduced, the contact time of the workers and the paint can be shortened in the mixing process, the paint smell suction amount of the workers is reduced, and the paint spraying efficiency is improved. And the safety of workers can be effectively protected.

The utility model discloses a smoke suction electrotome pen which comprises a shell, a smoke gathering cover, a smoke suction pipe and an electrotome assembly, and the shell is provided with an independent smoke guide cavity and an installation cavity; the smoke gathering cover is connected to the front end of the shell, the smoke gathering cover communicates with the smoke guide cavity, the smoke gathering cover is of a fan-shaped structure, the outer diameter of the smoke gathering cover is gradually increased in the direction away from the shell, and a vent hole is formed in the end, away from the shell, of the smoke gathering cover; the smoke suction pipe is connected to the rear end of the shell, communicates with the smoke guide cavity and is connected with an air pump; the electric knife assembly comprises a knife pen and a circuit board, the circuit board is arranged in the mounting cavity, one end of the knife pen is electrically connected with the circuit board, and a knife head is arranged at the other end of the knife pen and extends out of the smoke gathering cover. According to the smoke-absorbing electric knife pen provided by the embodiment of the utility model, smoke can be quickly absorbed in an operation process through the smoke guide cavity, the smoke gathering cover and the smoke absorbing pipe, and the possibility of occupational exposure of medical personnel is reduced through the fan-shaped smoke gathering cover.

This invention discloses a die-casting release agent recovery device, relating to the field of die-casting release machine recycling technology. It includes a processing device with a guide shell on one side. A fixed frame is fixedly connected to the guide shell, and a first protective shell is fixedly connected to the fixed frame. A sliding frame is slidably connected to the first protective shell, and an oil-absorbing ring is fixedly connected to the side of the sliding frame away from the first protective shell. The guide shell is used to scrape off floating oil from the oil-absorbing ring. This invention utilizes the reciprocating motion of the oil-absorbing ring to contact and absorb floating oil from the waste liquid surface. Even under conditions of strong surface disturbance in the waste liquid, effective adsorption of floating oil can be achieved. Compared with the prior art of directly extracting floating oil, this invention utilizes the oil-absorbing characteristics of the oil-absorbing ring to more accurately identify and adsorb the oil layer, reducing water absorption while improving the purity and overall recovery efficiency of the recovered release agent.

The invention relates to the technical field of amphibious vehicles, in particular to a hybrid power rear driving system based on an amphibious vehicle, which comprises a floating mechanism, a crawler mechanism, a floating driving mechanism, a lifting mechanism, a walking driving mechanism, a feature acquisition mechanism, a feature analysis mechanism and a control mechanism. And obtaining underwater image information of the to-be-driven area, calculating floating tendency characterization parameters according to the obtained parameters, determining operation parameters of the floating driving mechanism when the floating mechanism is determined to be controlled to operate to drive the amphibious vehicle to operate, and controlling the floating driving mechanism to drive the amphibious vehicle to operate. And the operation efficiency of the amphibious vehicle is effectively improved.

The invention discloses a mechanical processing device for special electromagnetic wires for large transformers, and relates to electromagnetic wire processing technology. The top of the base is fixedly connected with a bottom plate. The invention provides a feeding component, installs a wire coil on a rotating frame, passes one end of the wire through a circular plate, turns on a first motor, and drives the rotating frame to rotate on the top of a fixed seat through the output end of the first motor, so that the rotating frame drives the wire coil to discharge the material, and the wire continuously contacts the arc frame through the circular plate. At the same time, a ball bearing is provided on the arc frame, so that when the wire passes through the circular plate for feeding, a large friction force is avoided between the wire and the arc frame, thereby damaging the wire. By providing a ball bearing, the wire and the ball bearing can perform rolling friction, thereby reducing the friction force between the wire and the ball bearing.

The invention relates to the technical field of marking removing vehicles, in particular to a riding type marking removing vehicle with a self-suction function, which comprises a vehicle body, an engine part is mounted on the surface of the vehicle body, a driving area is arranged in the middle of the vehicle body, and marking removing mechanisms are arranged on two sides of the driving area. An electric push rod, a driving motor, a grinding disc, a connecting disc, a sliding frame and a containing groove are arranged in the marked line removing mechanism, a self-suction mechanism is arranged on the surface of the vehicle body and composed of a residue storage box, a water pump, a partition plate, a vacuum machine, a water tank and a spraying frame, and a replacing mechanism is arranged below the vehicle body. And a replacement assembly, a sliding groove and a fastening stud are arranged in the replacement mechanism. According to the marking line cleaning vehicle, dust suction of workers is reduced, the surrounding environment is not prone to being affected, and the convenience degree when the polishing disc of the marking line cleaning vehicle is replaced is improved.

The invention provides a high-temperature flue gas evaporative cooling device which comprises a converter and an evaporative cooling flue, one end of the evaporative cooling flue is connected with the output end of the converter, the evaporative cooling flue is composed of a plurality of water cooling wall sections, and at least one heat accumulator section is fixedly arranged in the evaporative cooling flue. A phase change heat storage material is distributed in the heat accumulator section; an oxygen blowing gun opening is fixedly arranged at one end, close to the converter, of the evaporative cooling flue, and a water-cooled high-temperature-resistant gate valve is fixedly arranged on the evaporative cooling flue based on the lower portion of the oxygen blowing gun opening. The evaporative cooling flue is provided with the phase change heat storage device and filled with the phase change heat storage material, when the temperature of passing flue gas is lower than the set temperature, the phase change heat storage material is subjected to phase change and releases heat, and the phenomenon that the water cooling wall section suffers from alternating thermal stress due to the flue gas temperature difference is avoided; and a water-cooled high-temperature-resistant gate valve is arranged, so that excessive cold air suction is reduced, and the alternating thermal stress of the evaporative cooling flue is further reduced.