183results about How to "Realize long-distance transportation" patented technology

The invention provides a device for recovering waste heat and supplying steam through multistage dilatation flashing. Hot water (or low-pressure steam or steam-water mixture two-phase flow) is used as a circulatory medium to absorb the high-temperature waste heat in the device; the high-temperature waste heat is changed into the steam with a pressure energy level, capable of being used by the device, through flashing, the dilatation flashing and steam jet type heat pump pressurization; and the steam is changed into condensate and returned to the system after being used, the steam and the low-temperature hot water after the dilatation flashing are delivered into the device to absorb high-temperature waste heat, and closed recirculation is formed. According to the device for recovering the waste heat and supplying the steam through the multistage dilatation flashing, energy can be fully absorbed and delivered in a long distance to heat using sites according to needs, the heat can be stably supplied, and the device can be suitable for waste heat recovery and steam supply of heat using units with used heat changed.

The falling preventing paired roller apparatus includes track, and two rollers in the basically same structure and set on two sides of the track. Of the two rollers, at least one is active roller with axle controlled by a drive mechanism and a normally closed brake. The rollers on the two sides of the track contact the track to form a basically symmetric arrangement. One force applying unit makes the two rollers generate equal and opposite pressures on the track to overcome gravitational force. The present invention has the advantages of simple structure and wide use, and may be used widely in vertical or inclined transportation machines.

The invention discloses an air conveyor which comprises a body. The body internally comprises an air inlet chamber and an air outlet chamber which are communicated through an inner hole, a connecting pipe connected with the body is fixed at one inner end of the air inlet chamber, a valve plate is arranged at the position of the inner hole, a spring for compacting the valve plate is arranged between the valve plate and the connecting pipe, and a flowing hole communicated with the air outlet chamber is arranged on the side wall of the air inlet chamber. The body further comprises the air cylinder, the air cylinder comprises a cylinder block integrated with the body, a sealed end cover is matched at the other end of the cylinder block, a piston is slidably arranged in the cylinder block and is connected with the valve plate through a connecting rod, an air inlet end of the air cylinder is communicated with the flowing hole through a through hole, and the cross section of the valve plate is smaller than the area of the piston. The air conveyor has the advantages that the air conveyor is capable of monitoring pressure conditions in a conveying pipeline in real time and capable of supplementing air to increase inlet air when the pipeline is blocked, so that conveying capability is improved, and conveying cost is reduced. The air conveyor is capable of achieving totally-closed material conveyance, and secondary contamination to materials is avoided.

The invention discloses a mining fire extinguishment liquid carbon dioxide long-distance pipeline conveying device. The device comprises a gas-state carbon dioxide storage tank , a liquid-state carbon dioxide storage tank and a conveying pipeline; a pressure stabilizing valve and a pressure meter are arranged at the end, located outside a mine body, of the conveying pipeline, the end, outside the mine body, of the conveying pipeline is communicated with the gas-state carbon dioxide storage tank, the upper end of the conveying pipeline is communicated with the liquid-state carbon dioxide storage tank, the end, located in the mine body, of the conveying pipeline is provided with a pressure control valve, and the end, located in the mine body, of the conveying pipeline is connected with a fire extinguishment pipe. Through the conveying device, the liquid-state carbon dioxide can be directly conveyed. The invention further discloses a conveying method. The method comprises the steps of arranging the conveying pipeline, arranging a fire extinguishment pipe, connecting the conveying pipeline with the gas-state carbon dioxide storage tank and the liquid-state carbon dioxide storage tank, injecting the gas-state carbon dioxide into the conveying pipeline for pressure rising, injecting the liquid-state carbon dioxide into the conveying pipeline for fire extinguishment and the like. Long-distance conveying of the liquid-state carbon dioxide can be simply, effectively and rapidly achieved.

The invention discloses a self-propelled underwater tunnel immersed tube carrying and mounting integrated ship. The ship comprises a first ship body and a second ship body which are parallel, a connecting structure is arranged between the first ship body and the second ship body, and traction hoisting equipment arranged on the first ship body, the second ship body and the connecting structure. A carrying space is formed between the first ship body and the second ship body below the connecting structure, a component to be installed is arranged in the carrying space and connected with the ship bodies, and a propelling power device and a power positioning system are arranged on the first ship body and the second ship body. The lower portion of the integrated ship is provided with the carryingspace. Goods to be transported are placed in the carrying space and float in water. Most weight of goods is shared by buoyancy. The goods are transported to the designated position, and precise installation work is completed. Underwater tunnel immersed tubes or similar large components of various sizes can be independently transported and installed through one self-propelled ship body successfully, other ships do not need to be used for dragging, channels do not need to be sealed for other ships in the transportation process, and passing of other ships is not affected.

The invention relates to the technical field of food storage and discloses a method for cleaning, color protection and fresh keeping of fresh edible Lanzhou lily. The method comprises cleaning and sterilizing fresh lily sheets with a white color, a large size and no mechanical injury, immersing the fresh lily sheets in a sulfur-free color protection agent for 0.5-1h according to a mass-volume ratio of 1000: 1g/L, wherein the sulfur-free color protection agent comprises 0.3-1.0g of sodium chloride, 0.2-1.2g of citric acid, 0.4-1.2g of ascorbic acid, 0.002-0.006g of tea polyphenol and 100mL of purified water, taking out the treated fresh lily sheets, carrying out elastic oscillation drainage and overturn air-flow air drying cooling, carrying out UV irradiation sterilization, carrying out vacuum packaging and carrying out storage. The method utilizes the sulfur-free color protection agent to prevent lily browning. The stored fresh edible Lanzhou lily product does not contain sulfur dioxide residues so that food storage safety is improved. The fresh edible Lanzhou lily storage method has excellent color protection effects, a white lily color, a flat surface and a complete taste.

The invention discloses a feeding device for an underground coal mine long-distance guniting system. The feeding device comprises a stirring bin, a material suction pipeline, a cyclone collector, a cyclone air outlet pipeline, a vacuum pump, a blocking valve, an ejector, an ejector air inlet pipeline, a long-distance material conveying pipeline and a main air source air compressor. According to the feeding device for the underground coal mine long-distance guniting system, on the basis of the current situation that the underground air source is sufficient, after guniting materials are sucked and fed into the sealed cyclone collector through negative pressure produced through the vacuum pump, the materials and gas are separated, and the guniting materials enter the blocking valve so that automatic feeding can be achieved; and the materials are conveyed in a pneumatic conveying mode, surplus gas in the guniting materials is separated out and is pumped and supplemented into a main air source by the vacuum pump, and the air source can be sufficiently utilized; the guniting materials are subjected to pumping pressure conveying through the blocking valve, continuous feeding of the guniting materials is achieved, and pipeline vibration is reduced; and accordingly, long-distance conveying is achieved, the pipeline blockage failure rate is decreased, and the investment cost of underground auxiliary conveying and early-stage auxiliary engineering is reduced.

The invention discloses a storage cabinet which comprises a bottom board, a cover board, two side boards, a rear board and a sliding door, wherein the lower ends of the two side boards are detachably and fixedly connected with two side edges of the bottom board, a lower guide rail connected with the lower end of the sliding door is arranged at the front end of the bottom board, a rear board mounting surface is formed in the outer edge of the rear end of the bottom board, the height of the rear board mounting surface is smaller than that of the bottom board, at least one inserting hole is formed in the rear board mounting surface, a rear pillar perpendicular to the bottom board is fixed in the at least one inserting hole, two ends of the rear pillar are detachably and fixedly connected with the bottom board and the cover board respectively, and two side edges of the rear board are fixedly connected with the rear pillar and one side edge of each of the side boards through connection pieces respectively; an upper guide rail used for connecting the upper end of the sliding door is arranged at the front end of the cover board and adopts a suspended guide rail. The two side boards, the rear board and the cover board which are detachably connected with the bottom board are arranged on the bottom board, the guide rails allowing the sliding door to move are arranged at the front end of the cover board and the front end of the bottom board respectively, rapid assembling of the storage cabinet can be realized thoroughly, and maintenance of the storage cabinet is facilitated.

The invention provides an electric transportation trolley for automatic glass mounting. The electric transportation trolley comprises a frame, a lift cylinder, a telescopic cylinder, a turnover cylinder and a suction disc frame, wherein one end of the frame is connected with a driving wheel; the driving wheel is connected with a steering handle; the other end of the frame is connected with two driven wheels; a balancing weight is arranged on the frame; the frame is hinged to one end of a telescopic fixed beam through a supporting rod; one end of the lift cylinder is hinged to the frame; the other end of the lift cylinder is hinged to the telescopic fixed beam; the other end of the telescopic fixed beam is connected with a telescopic arm; the telescopic cylinder and the telescopic fixed beam are coaxially arranged; one end of the telescopic arm is hinged to one end of a turnover seat; the other end of the turnover seat is hinged to a horizontal rotation seat; the horizontal rotation seat is connected with the suction disc frame; a plurality of suction discs are arranged on the suction disc frame. The electric transportation trolley for automatic glass mounting, provided by the invention, is simple to operate, does not cause personal injury, utilizes a DC hydraulic power unit and a hydraulic cylinder to realize turning-over, rotating, lifting and stretching out and drawing back of plates.

The invention relates to an ultrahigh water material composite solid waste pulping, delivering and mixing device. The device comprises a solid waste material pulping device, an ultrahigh water material A pulping device and an ultrahigh water material B pulping device, wherein the solid waste material pulping device has the structure that the lower end of a solid waste material cabin is provided with a solid waste material scale, the lower end of the solid waste material scale is provided with a feed end of a solid waste feeder, a discharge end of the solid waste feeder is arranged at the upper end of a solid waste mixing cabin, the lower end of the solid waste mixing cabin is communicated with a solid waste stirring barrel, the lower end of the solid waste stirring barrel is communicated with a mixing device through a first pipeline and a first high-capacity pump, and the solid waste stirring barrel is communicated with a water injection pipe through a first flow meter; the ultrahigh water material A pulping device and the ultrahigh water material B pulping device have structures similar to the solid waste material pulping device. The device has high degree of automation, is convenient to operate and low in use cost and can realize long-distance transportation.

The invention discloses a jacket layer dangerous goods storage and transportation tank. A storage and transportation tank body (1) is divided into multiple layers which are isolated from one another, the core layer is used for storing dangerous goods, and the outer layer (2) is used for storing and transporting a hoisting layer; a leak detection device (3) and a remote transmission module (4) are arranged in the middle layer; when leak occurs, the leak detection device (3) sends monitoring information to a remote management center through the remote transmission module (4); the outer layer of the storage and transportation tank body (1) is made of metal materials; a prompting device (5) is arranged and sends out prompting information when leak occurs, and the prompting information is displayed through sound or LED lamp light; the core layer is provided with a temperature monitoring device, a pressure monitoring device and other routine monitoring devices, and displaying is conducted on the outer layer; due to the fact that the dangerous goods are arranged in multi-layer protection, long-distance transportation and bumping environment transportation of the dangerous goods can be achieved more safely.

The invention discloses a remote video operation fire-fighting robot, which comprises an installing base, a walking crawler, a rotary base, a large-arm base, a large arm, a transition arm, three arms, a fire fighting spray nozzle, an integrated control system and material storage cavities, wherein the bottom of the base is provided with the walking crawler; a rotary supporter and the material storage cavities are arranged on the upper surface of the installing base; the rotary base is provided with a rotary motor. The remote video operation fire-fighting robot has the advantages that the disaster observation in the disaster rescue site can be conveniently realized, so that disaster rescue personnel leave far away from high-temperature flammable and combustible environment; the personnel safety is ensured; a plurality of material storage cavities are adopted, various fire-fighting materials can be carried, and the fire fighting aiming at different fire hazards can be realized; a pushing system realizes the remote conveyance of the fire-fighting materials through a pressurizing cavity and a pushing oil cylinder, and the remote fire fighting is realized.

An over-head high-speed passenger train is characterized by that it is electrically powered in a relay mode, the IGBT frequency converting technique is used for its DC/AC conversion, and the 3-phase asynchronous motor is used as its power. Its speed is 400-500 Km/h.

The invention discloses an intelligent fire-fighting robot with a laser positioning function, which comprises a mounting base, a traveling crawler, a swinging base, a big arm base, a big arm, a transition arm, a three-arm, a nozzle for fire suppression, an integrated control system and storage cavities; the traveling crawler is arranged at the bottom of the mounting base; a slewing bearing and the storage cavities are arrange on the upper surface of the mounting base; a swing motor is arranged on the swinging base. The intelligent fire-fighting robot with the laser positioning function has the advantages that a fire extinguishing system is positioned by lasers; emergency rescue and disaster relief personnel can keep away from high temperature, flammable and explosive environment, and the personal safety is ensured; multiple storage cavities can be used for carrying various fire-extinguishing materials to extinguish the fire in different fire disasters; a push system, long distance conveying of the fire-extinguishing materials is realized by a booster cavity and a push oil cylinder, and the long distance fire-extinguishing is realized.

The invention provides a movable continuous feeding chain plate conveying device. The movable continuous feeding chain plate conveying device comprises a walking mechanism, a chain plate conveying system, a control system, a cantilever crane mechanism, a feed port, a discharge port, a cable power distribution coiling block, a dust cover and a dust remover. The chain plate conveying system is arranged on the cantilever crane mechanism, and the cantilever crane mechanism is arranged on the walking mechanism. The action of the cantilever crane mechanism is controlled by the control system, and the control system is connected with the cable power distribution coiling block. The feed port is arranged on the tail of the chain plate conveying system, and the discharge port is arranged on the head of the chain plate conveying system. The dust cover is arranged above the chain plate conveying system. The dust cover is provided with the dust remover. The movable continuous feeding chain plate conveying device can convey various blocky materials or loosened materials to conveying terminals at any position in the horizontal direction or the inclined direction (not exceeding 25 degrees) and meanwhile achieve a function of stacking the materials and has the advantage of being movable. The movable continuous feeding chain plate conveying device is provided with the independent walking mechanism, movement in place is achieved, a special position or a fixed matched facility is not needed, and it is not need to enlarge an infrastructure.

The invention discloses soil pressure balance rectangular opening-jointing shield machine. The soil pressure balance rectangular opening-jointing shield machine comprises a cutting system (1), and further comprises a driving system (2), a shield body system (6), a residue discharging system (7), a pipe piece assembling trolley (8), a pipe piece rotating device (9), a pipe piece transporting trolley, a lifting type equipment bridge (10) and a trailer (11), the cutting system (1) and the driving system (2) are mounted on the shield body system (6), the cutting system (1) is located at the front end of the shield body system (6), the driving system (2) drives the cutting system (1) to run, and mud residue cut by the cutting system (1) is discharged through the residue discharging system (7). According to the soil pressure balance rectangular opening-jointing shield machine, excavation of a rectangular section working condition with a large length-width ratio can be achieved, and long-distance transportation of residue soil in a tunnel can be achieved at the same time; and the pipe piece transporting trolley, the pipe piece rotating device, the pipe piece assembling trolley, the lifting type equipment bridge and a tail shield moving pedal work together and cooperatively, and assembling of upper and lower pipe pieces is completed under the condition without pipeline dismantling.

The invention relates to a tundish covering agent feeding device and a tundish covering agent feeding method. The feeding device comprises a stock bin, a fixed support, a swing mechanism, a rotary support, a motor, a reduction gear, a delivery pipe, a hose, a pitching adjusting mechanism, a delivery pipe flexible adjusting mechanism, a standby position support frame and a charge pipe support, wherein the stock bin is arranged above an operation room of a fixed operation platform; the rear end of the fixed support is fixed on the outside surface of the operation room of the fixed operation platform, and a through hole is formed in the center of the front end of the fixed support; the swing mechanism comprises a rotating shaft, and a U-shaped fixed block is arranged at the upper end of the through hole formed in the center of the front end of the fixed support; the rotary support is located above the fixed support, and the front end of the rotary support is connected with the upper part of the rotating shaft; the motor and the reduction gear are connected with the lower part of the rotating shaft; the delivery pipe is of a foldable structure and comprises first and second straight pipes and a hose; the hose is connected with the stock bin; the pitching adjusting mechanism is used for controlling the delivery pipe to do pitching motion; the delivery pipe flexible adjusting mechanism is used for controlling the delivery pipe to do straightening and folding motion; the standby position support frame is used for supporting the delivery pipe in a standby state, is arranged on the outside surface of the operation room of the fixed operation platform, and is located at one side of the fixed support; and the charge pipe support is arranged on the cover of the tundish.

The invention relates to a liquefied oxygen transport ship, which comprises a ship body. One or more liquefied oxygen storage tanks are installed at the middle-front part of the ship body. The liquefied oxygen storage tanks are installed on the ship body through saddle supports. A wash bulkhead is installed in each liquefied oxygen storage tank. The liquefied oxygen transport ship has the advantages that the large-capacity long-distance transport of oxygen is realized, the transport efficiency is improved and the transport cost is reduced; the large-capacity transport of the oxygen along a sea or a river can be realized, and industrial and mining enterprises such as ship building and repair enterprises which are established along the sea or the river do not use a great number of transport vehicles or steel cylinders to load the oxygen; liquefied oxygen is directly unloaded into storage tanks of the industrial and mining enterprises and is intensively supplied by using pipelines and liquefied oxygen pumps, and steel cylinders can be flexibly selected and used to contain the liquefied oxygen for use in practical use.

The invention discloses a beam-transporting flatcar for a steel truss bridge. The beam-transporting flatcar is characterized in that a traveling mechanism (2) is arranged at the bottom of a vehicle frame (1); a support (4) for fixing a fixed steel truss component is arranged on the vehicle frame (1); and a rotation support (5) for stabilizing the steel truss component is arranged on the surface of the vehicle frame (1). By utilizing the beam-transporting flatcar, the following effects can be realized: various kinds of components are transported; the beam-transporting flatcar is used for transportation under various longitudinal slope and variable slope conditions; the components with various lengths can be transported by connecting two independent trolleys by a connecting rod; and long-distance transportation can be realized by an electric appliance system of the traveling mechanism without arranging cable lines along the line.

The invention discloses a wireless remote control firefighting robot. The firefighting robot comprises an installation base, traveling crawlers, a slewing base, a big arm base, a big arm, a transition arm, a third arm, a fire extinguishing nozzle, an integrated control system and material storage chambers, wherein the traveling crawlers are installed at the bottom of the installation base, and the upper surface of the installation base is provided with a slewing support and the material storage chambers. The wireless remote control firefighting robot has the advantages that the robot can keep rescuers to be far away from high-temperature, flammable and explosive environments and guarantee personal safety; the plurality of material storage chambers can carry various fire extinguishing materials to cope with different fire disasters and extinguish fire; a pushing system can remotely deliver the fire extinguishing materials through a booster chamber and a pushing oil cylinder to realize remote fire extinguishing.

The invention discloses an adjustable hydraulic lifting platform device comprising a base, fixed casters, universal wheels, support legs, a metal sleeve, a hydraulic power unit, a rear frame, a lift frame, a stage, a hydraulic adjusting lever and a foot lever. The lift frame is connected over the base, the fixed casters are connected under the base, the object stage is connected over the lift frame, the metal sleeve is connected to the left end of the hydraulic power unit, the hydraulic adjusting lever is connected to the right end of the hydraulic power unit, universal wheels are arranged at joints of the rear frame and the base, and the foot lever is fixed to the bottom of the rear frame. The adjustable hydraulic lifting platform device is simple in structure, the problem that the hydraulic lifting platform car moves easily in a small range during loading and unloading is solved, long-distance transport of massive materials is realized, material transport efficiency is improved, and the adjustable hydraulic lifting platform device has high economic benefit and broad application prospect.

The invention discloses a water air-conditioning system for delivering air in long distance. The water air-conditioning system for delivering the air in long distance comprises a first space and a second space which are independent of each other, wherein an air delivering pipeline and an air returning pipeline are arranged in the first space; a first air inlet of the air delivering pipeline and a first air outlet of the air returning pipeline are positioned in the first space; a fan for delivering the air is arranged at the first air inlet; a plurality of second air outlets are formed on the air delivering pipeline and are positioned in the second space; and a plurality of second air inlets are formed on the air returning pipeline and are positioned in the second space. The water air-conditioning system can realize long-distance air delivery and can realize constant temperature and humidity in workshops, wherein the temperature is controlled to be between 20 and 25 DEG G and the humidity is controlled to be between 75 and 85 percent in the workshops.

A permanent magnet sub-suspension type tubular belt conveyor supporting device comprises hexagonal magnetic supporting frames, carrier roller set supporting frames and a tubular magnetic conveying belt. Each carrier roller set supporting frame is arranged between the two corresponding hexagonal magnetic supporting frames. The tubular magnetic conveying belt is supported in a physical contact mode to be prevented from deviating. The tubular magnetic conveying belt and cuboid permanent magnets on the hexagonal magnetic supporting frames are both made of magnetic materials and are the same in magnetism. By means of the principle that like poles repel each other, the tubular magnetic conveying belt obtains suspension force, contact free of mechanical friction is achieved, and friction generated when a tubular conveyor conveys materials is reduced. The tubular belt conveyor supporting device capable of achieving long-distance magnetic suspension conveying, namely the permanent magnet sub-suspension type tubular belt conveyor supporting device is provided.