35 results about "Station tube" patented technology

A catalytic reactor is provided with one or more reaction zones each formed of set(s) of reaction tubes containing a catalyst to promote chemical reaction within a feed stream. The reaction tubes are of helical configuration and are arranged in a substantially coaxial relationship to form a coil-like structure. Heat exchangers and steam generators can be formed by similar tube arrangements. In such manner, the reaction zone(s) and hence, the reactor is compact and the pressure drop through components is minimized. The resultant compact form has improved heat transfer characteristics and is far easier to thermally insulate than prior art compact reactor designs. Various chemical reactions are contemplated within such coil-like structures such that as steam methane reforming followed by water-gas shift. The coil-like structures can be housed within annular chambers of a cylindrical housing that also provide flow paths for various heat exchange fluids to heat and cool components.

The invention discloses a positioning system and a positioning method for a multi-station tube conveying transition vehicle on a steel tube production line. The positioning system comprises a programmable controller connected with a transition vehicle low-speed running detection switch and a plurality of station detection approach switches. Each approach switch is in signal connection with a corresponding induction sheet, and one approach switch induction sheet is in signal connection with one station detection approach switch. Detection switch induction sheets and at least one approach switch induction sheet are installed at each station, and the transition vehicle low-speed running detection switch and the plurality of station detection approach switches are installed on the transition vehicle. By presetting codes of stations through the programmable controller, induction sheets induct the corresponding approach switches and generate a switching value signal level when working, and positioning park can be achieved when the switching value signal level coincides with the codes. The positioning system completely eliminates accumulated errors caused by positioning through an absolute coder of an existing positioning system and achieves accurate positioning of the tube conveying transition vehicle.

A method and apparatus are provided for operating a refueling station including source tube-trailers and at least one compressor to reduce refueling cost. The refueling station includes a gaseous fuel supply source including a plurality of tanks on a tube trailer coupled to a first control unit, and high pressure buffer storage having predefined capacity coupled to a second control unit and the first tanks by a pressure control valve and the first control unit, and at least one compressor. The refueling station is operated at different modes depending on a state of the refueling station at the beginning of each operational mode. The refueling system is assessed at the end of each operational mode to identify the state of the system and select a next mode of operation. The operational modes include consolidating hydrogen, or any gaseous fuel, within the tubes mounted on the trailer.

The invention discloses an airborne hydraulic multifunctional temporary support machine which can obliquely support an upper frame, enlarge the area of the top of the supported roadway and guarantee safe construction. The machine is provided with the upper frame (1), a folding cylinder (7) and a lift cylinder (6), wherein the lift cylinder (6) is connected with a station tube (4) and a station sleeve (5) is arranged outside the lift cylinder (6); an upper frame cylinder (2) is arranged at the bottom end of the station tube (4); the two sides of the upper frame (1) are movably connected with the station tube (4) and the upper frame cylinder (2) by crossheads (3); flat holes (10) are arranged on the upper plates of the crossheads (3); a forward extension frame (11) and a forward extension cylinder (8) are arranged at the front side of the upper frame (1); and the two sides of the upper frame (1) are provided with a lateral extension frame (12) and a lateral extension cylinder (9). The invention is mainly used for underground coal mine roadway support.

A buffering jump bed comprises a boosting damping device. The boosting damping device comprises a bed connection sleeve, a booster connection sleeve, a guardrail connection sleeve and support connection stand tubes; the booster connection sleeve is communicated with the support connection stand tubes through an elastic device, and the support connection stand tubes are connected with foot tubes; an inner antifriction sleeve is arranged between the booster connection sleeve and the support connection stand tubes and is used for preventing friction among tube stocks to destroy a tube protecting layer; the elastic device comprises an elastic material and an elastic-material retaining mass, and the elastic material is arranged inside the booster connection sleeve; a protrusion portion is arranged on the elastic-material retaining mass, a hole matched with the protrusion portion of the elastic-material retaining mass is arranged in the support connection stand tubes, and a groove matched with the protrusion portion of the elastic-material retaining mass is arranged in the booster connection sleeve. As the boosting, buffering and damping material, the elastic material in the boosting damping device plays a role in boosting, buffering and damping during jumping of people, bearing capacity is increased, and better jumping effect is achieved.

The invention relates to a processing method of a thin-wall copper tube end cold forming seal, which is characterized in that the method comprises the following techniques: firstly, a tube stock is cut into a certain length of oblique stocks on a stock feeding and cutting machine; secondly, cutting and flanging are sequentially carried out on the well-put thin-wall copper tube on a punching machine under the action of a feed mechanism; thirdly, stretching, contracting and kneading are carried out on the flanged stock on a two-station tube reducing machine after the flanged stock gets soft by a re-crystallization annealing technique. The method has the advantages that the production cost is reduced greatly, the utilization of the copper product is increased greatly, and the environment is not polluted. However, the processing performance of the material is very poor and the cold processing forming technology is still difficult for breakthrough.

The invention provides a collective doffing bobbin conveying system, which comprises a rail driving device, a guide rail, a plurality of tray assemblies, a steel belt and a scraper knife, and is characterized in that the rail driving device comprises a driving motor, a driving wheel, a driven wheel, a synchronous wheel, three guide wheels, a synchronous belt, a rotating shaft and a dustproof cover; the tray assembly comprises a tray, two storage station pipes and a connecting rod, the two storage station pipes are clamped to the left end and the right end of the tray, the connecting rod in the vertical direction is fixed to the bottom of the tray, the connecting rod is fixed to the steel belt, and a first sliding block and a second sliding block are arranged in the middle of the front side and the middle of the rear side of the bottom face of the tray correspondingly. Movement of the tray can be better guided, the sliding stability of the tray is guaranteed, the placing station pipe can be independently dismantled for replacement, the maintenance cost is reduced, dust prevention is conducted on the driving motor, the situation that a stator and a rotor of the driving motor are ground and heated, dust enters a bearing and influences lubrication is avoided, and stable operation of a conveying system is guaranteed.

A portable teeth-cleansing and purging device is disclosed. The device comprises a manual-operated pump, and a ejecting tube module. The manual-operated pump is a reciprocating pump which possesses a body and a pressing rod. The body is in communication externally with a suction tube having a water outlet. The ejecting tube module is a resilient tube having the ends mounted with a connector head and a purging head. The connector head is connected to the outer surrounding of the water outlet, and the purging head is a hollow tubing element. The end of the water outlet is a nozzle. By pressing and releasing of the pressing rod, the manual-operated pump is triggered to deliver a fixed amount of water supply via the water outlet, and as a result of restriction by the nozzle, a pressurized water stream for cleansing the gaps between the teeth is obtained. The device mitigates the requirement of current supply and water source in cleansing teeth. The device is portable and simple in structure.

The invention discloses a mist sprayer, comprising a spraying device, and a material box communicated with the spraying device. The inner wall of the material box is detachably connected with a partition which divides the internal of the material box into storage cavities. The storage cavities are internally provided with a liquid medicine box and an oil storage box. The spraying device comprises a reaction chamber, a detonation tube which is sleeved with a radiating cover on the outer wall, an injection pipe, and a nozzle, and the reaction chamber, the detonation tube, injection pipe, and the nozzle are communicated. The detonation tube is communicated with the liquid medicine box. An air inlet passage and a combustion chamber communicated with the air inlet passage are fixedly arranged in the reaction chamber in sequence. The inner wall of the air inlet passage is fixedly provided with an ignition device I. The air inlet passage is communicated with the liquid medicine box and the oil storage box. The internal of the combustion chamber is fixedly provided with a carburetor and an ignition device II. The carburetor is communicated with the oil storage box. The mist sprayer is advantaged in that the mist sprayer can perform two times or more main combustion, to combust gas-oil mixture which is not fully burnt, so as to enhance power to the maximum extent, and the mist sprayer can have detonation effect, and fully scatter, atomize, and jet liquid medicine, and amount of jet pollutants is little, and pollution of environment is effectively reduced.

A cleaning apparatus for cleaning a surface is disclosed. The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. The apparatus further includes a solution tank for supplying a flow of cleaning solution to the surface. The solution tank is removably mounted to one of the handle and the base portion. The apparatus still further includes a recovery tank removably mounted to one of the base portion and the handle and a suction source in fluid communication with the recovery tank. The apparatus yet further includes an accessory assembly including a hose portion in fluid communication with the suction source via the recovery tank and a solution tube in fluid communication with the solution tank. The maximum length of the accessory hose assembly is at least 25 greater than the minimum length of the accessory assembly.

The invention discloses a paint backboard processing tool, specifically relates to the field of processing tooling, including a workbench, a chute is opened in the middle of the top outer wall of the workbench, the inner wall of the chute is slidingly connected to the tooling assembly, and the tooling assembly The quantity is at least three groups, and each group of tooling components includes sliders, the top ends of the sliders are screwed with locking bolts, and the middle of the top of the sliders is welded with a mounting sleeve. A tooling plate is arranged on the top of the sleeve. In the present invention, the tooling board and the tooling assembly are provided, and the tooling board moves synchronously with the installation sleeve, so that the distance between different tooling boards can be adjusted, and the distance between the station tubes on different tooling boards can be adjusted conveniently. Start the cylinders at both ends of the tooling plate to change the distance between the two adjustment blocks on the tooling plate, so that it can be adjusted according to the hole position on the paint back plate, which is convenient for processing and has a wide range of applications.

The invention relates to cleaning equipment for aquaculture, in particular to a device for cleaning an aquaculture pond bottom. The device for cleaning the aquaculture pond bottom comprises a separating tube and a pumping tube fixed at the bottom of a culture pond, an aeration pump and a water suction pump. The separating tube and the pumping tube are arranged in a multiple-layer encirclement mode and distributed in a helical state, and the two tubes are arranged in a spaced mode, the separating tube comprises a gas filling tube and a water filling tube, the gas filling tube is fixed on the upper part of the water filling tube and filled with gases, and the tube wall of the water filling tube is elastic. After the water filling tube of the two adjacent layers is filled with water, the tube walls of the two layers closely abut against each other, a closed space is formed between the water filling tube of the two adjacent layers and the bottom wall of the culture pond, and the pumping tube is located in the closed space, the aeration pump is connected with an aeration tube, and the water suction pump is connected with the pumping tube, and the inlet end and the outlet end of the water filling tube are arranged on the aeration tube in a parallel connection mode. The device for cleaning the aquaculture pond bottom in the technical scheme has a simple structure, saves water resources and collects rubbishes at the bottom of the pond at the same time.

The gas-liquid separation heat exchange and return gas regulating station is characterized in that the lower high-efficiency heat exchange tube (32) and the upper high-efficiency heat exchange tube (40) are arranged inside, and the heat exchange tube room (39) is arranged between the tubes, and the outer part is respectively Through the return air pipe (31) of the -60°C evaporator, the suction pipe (36) of the single-unit freezer, the liquid inlet pipe (37) of the ammonia liquid reservoir, the R717 liquid adjustment station pipe (38) and the low temperature evaporator (1), The stand-alone refrigerator (4), the ammonia liquid reservoir (11), and the ammonia liquid regulating station (8) are connected, and are fixed by a fixed partition (33), a head (34), a fixing bolt (35), and a partition (41) .

The invention discloses a novel aluminium substrate which comprises an aluminium substrate main body. An installation plate is arranged right above the aluminium substrate main body, the installationplate is internally provided with two sets of positioning circular rings, the aluminium substrate main body is internally and fixedly provided with two sets of installation tubes, one ends of the installation tubes penetrate through the aluminium substrate main body, the end, penetrating through the aluminium substrate main body, of each installation tube is fixedly provided with an installation part, each installation part is fixedly connected to the end, close to the installation plate, of the corresponding installation tube, each installation tube is internally provided with a rotating shaft, each rotating shaft vertically penetrates through the corresponding installation part, the end, penetrating through the corresponding installation part, of each rotating shaft is movably connectedto the inner wall of the corresponding installation part, the other end of each rotating shaft is connected with a rotating handle, and the end, arranged inside the corresponding installation part, ofeach rotating shaft is movably provided with two sets of position-limiting plates. According to the novel aluminium substrate, by means of the arrangements of the rotating shafts being connected withthe position-limiting plates, the rotating direction of the position-limiting plates is controlled by controlling the rotating direction of the rotating shafts, installers can be made to perform installation just with one single hand in installing, and the method is simple, convenient and efficient.

The invention relates to a processing method of a thin-wall copper tube end cold forming seal, which is characterized in that the method comprises the following techniques: firstly, a tube stock is cut into a certain length of oblique stocks on a stock feeding and cutting machine; secondly, cutting and flanging are sequentially carried out on the well-put thin-wall copper tube on a punching machine under the action of a feed mechanism; thirdly, stretching, contracting and kneading are carried out on the flanged stock on a two-station tube reducing machine after the flanged stock gets soft by a re-crystallization annealing technique. The method has the advantages that the production cost is reduced greatly, the utilization of the copper product is increased greatly, and the environment is not polluted. However, the processing performance of the material is very poor and the cold processing forming technology is still difficult for breakthrough.

A system and method for the production of oxidized olefins. The system includes two or more reactors having a number of reaction tubes. A catalyst for catalytic oxidation of olefins is on a first side of the number of reaction tubes. A common supply line supplies a mixture comprising olefins and oxygen to the catalyst. Product outlet streams from each reactor are joined to a single product stream. Coolant fluid passing through the reactors flows into a single coolant drum. The single coolant drum supplies the coolant fluid at a common temperature to a number of coolant fluid inlet streams of each reactor.

An air inlet arrangement for an ice cream machine or yogurt machine includes an air-solution tube supported in a solution container which is adapted for storing a predetermined volume of solution at a predetermined fluid elevation, and an air nozzle. The air-solution tube has an elongated structure defining a top end, a bottom end, and a process channel between the top end and the bottom end, wherein the air-solution tube has a height greater than the fluid elevation of the solution container, wherein a volume of the air-solution tube is such that the air-solution tube is arranged to contain 80 g or less of the solution.

The invention relates to a standing and sitting alternating type work table. The work table comprises a base, a column connected with the base, a lifting table plate mounted on the front end surface of the column and a display fixing frame, wherein a self-locking gravity spring system for driving the lifting table plate and the display fixing frame to move vertically is arranged in the column, and a display height adjusting part for finely adjusting the height of the display fixing frame is fixed at the upper part of the column. Compared with the prior art, semi-intelligence of a computer lifting table can be realized, that is, a lifting table plate can be stopped in a certain position when tension of a spring and gravity (or combined with force applied to the lifting table surface) of the lifting table surface and a display are balanced; when the lifting table plate rises to the highest position, the height of the displayer can be finely adjusted through adjustment of the display height adjusting part. The work table can be fixed on a traditional office table, so that a standing and sitting alternating function is realized without additional purchasing of a novel office table, the purchasing cost is saved, and the product can be directly fixed on an original office table.

The invention discloses a trampoline with a buffer device. The trampoline comprises jumping cloth, jumping cloth springs and a frame assembly. The periphery of the jumping cloth is connected to the frame assembly through the jumping cloth springs. The frame assembly comprises multiple frames and welding tee pipes for connecting the frames into a whole. The free ends of the welding tee pipes are connected with buffer station pipe spring assemblies. The buffer station pipe spring assemblies comprise springs, elastic buffer station pipes, compression spring upper covers and compression spring lower covers. The lower ends of the elastic buffer station pipes are fixedly connected with bottom pipes. According to the trampoline with the buffer device, the buffer station pipe spring assemblies (similar to hydraulic or air pressure devices) are additionally arranged between the bottom pipes and the frames, when suffering from impact force, the buffer station pipe spring assemblies can absorb part of force, after a medium in cylinder bodies reaches certain pressure, the medium and the force borne by the jumping cloth springs are released together, damage of the impact force to a trampoline body is effectively reduced, harm of the impact force to the human body is relieved, and the elasticity of the trampoline is improved.