36 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.

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 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 full-automatic tube cutter. A slantwise and downward cutting device is installed at the top of a main base. A sliding clamping mechanism in a tube clamping device is installed at the top of a sub-base. The tube clamping device is installed at the left part of the slantwise and downward cutting device. A group of the tube clamping device and a group of the slantwise and downward cutting device are combined to form a station of a saw tube group. A group of a transverse support platform supports one station of the saw tube group correspondingly. The saw tube group is installed above the transverse support platform. Each group of the transverse support platform is provided with a transverse distance regulating device. The transverse distance regulating device is installed below the transverse support platform. 2-13 stations of the saw tube groups are leftwards and rightwards arranged and combined to form a multi-station tube cutting mechanism. A tube jacking and feeding device is installed behind the multi-station tube cutting mechanism. The full-automatic tube cutter has the characteristics of novel structure, rapid processing speed, good cutting effect, rapid size regulating speed, more accurate cutting size, lower defective percentage, and high processing efficiency.

The invention relates to a method for heat absorbing reaction, and mainly solves the problems of large axial-radial temperature difference of a tubular fixed bed reactor using molten salt as a heat carrier, larger vibration of a reaction tube, and inconvenience to detach a catalyst in the prior art. The invention adopts the technical proposal that a heating tube is arranged in a reactor shell and a convex shoulder and conical spring structure is designed in the reaction tube, the method solves the problems well, and can be used for industrial production of the heat absorbing reaction.

The invention discloses a power machine of wall plantation. The power machine comprises a plant plantation wall, a plant plantation power device and a rainwater collecting and pouring device; the plant plantation power device is fixedly mounted in the top of the plant plantation wall, and comprises a transverse slide rail, a mobile slide carriage, a piston rod, a telescoping cylinder, a connectingpiece, a connecting rod, first and second elevating screw rods, elevating seats and an installing plate; the rainwater collecting and pouring device is fixedly mounted in the top of the plant plantation power device; and the transverse slide rail is fixedly mounted on the plant plantation power device. The power machine is reasonable and simple in structure and convenient to use, plants are usedto beautify the wall, the wall plants can be planted conveniently in a high position, a plantation tube can move horizontally on the wall, a rainwater collecting tank collects rainwater, the rainwateris stored in a rainwater collecting box, plants on the plantation tube are poured, survival and growth of the wall plants are facilitated, and the workload of management is reduced.

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 discloses an ileum fistulization tube. One end of an outlet tube is communicated with intestine inner tube and the intestine inner tube is divided into a far-end tube body and a near-end tube body. The intestine inner tube is placed in the intestinal tract. Although strap-shaped adhesion or sheet-shaped adhesion is generated on the wound surface of an abdominal wall notch and the intestinal canal, due to the supporting of the intestine inner tube, small angles of the intestinal tract are not prone to generating, the angulation deformity of the intestinal canal is not prone to generating, and mechanical intestinal obstruction, volvulus, intestinal strangulation necrosis caused by internal hernia are prevented after an operation. According to the ileum fistulization tube, intestinal content can be smoothly discharged out of the human body only through the abdominal pressure without the dependence on a negative-pressure suction device, so that the burden of a patient is lessened and use is convenient. A designed double-layer air bag enables the intestinal tract to be completely obstructed, the intestinal content is prevented from polluting an anastomotic stoma or damaging a repairing portion; a contrast medium can be conveniently injected, the healing condition of the anastomotic stoma or the repairing portion can be observed, the number of times for which the fistulization tube is inserted in and pulled out of the patient is reduced, and diagnoses and treatment of a doctor are facilitated.

The invention discloses a control method of a beverage dispenser, which can utilize a water discharge and agitation tube to output needed cold water, hot water or hot steam. Meanwhile, the water discharge and agitation tube can be rotated along with an agitation motor to play the role of mechanical agitation. Meanwhile, the novel beverage dispenser provided by the invention also provides a novel beverage brewing mode, i.e., as the hot steam heats, the hot steam also can carry out vapor agitation. Thus, the acts of the two agitation modes, i.e. mechanical agitation and steam agitation, can be carried out separately or simultaneously, the application range is broadened, the agitation speed is increased, the agitation effect is better and more uniform, and the control method has a good prospect of market promotion and application.

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.

The invention provides a multi-station stage for research and development of PCB boards, comprising a base, a stage body is installed on the left part of the base body, a first station and a second station are arranged on the stage body, driven assemblies are installed on the front and rear parts of the base body, a driving assembly is installed on the right part of the base body, and the drivingassembly can provide power for the driven component. The invention adopts the double-station design, which is convenient for operators to quickly carry out comparison and fast feeding of PCB boards, and is provided with a knob and a screw rod for fine adjustment of the second station, so that the PCB boards of the first station and the second station are in relative positions, and the operators are convenient to carry out comparison and fast feeding of PCB boards.

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 discloses a painted backing plate processing tool, and particular relates to the field of processing tools. The painted backing plate processing tool comprises a workbench, a sliding groove is formed in the middle of the outer wall of the top end of the workbench, and the inner wall of the sliding groove is slidably connected with at least three groups of tool assemblies. Each groupof the tool assemblies includes a sliding block, and the two ends of the tops of the sliding blocks are connected with locking bolts in a threaded mode. A mounting sleeve is welded to the middle of the top end of each sliding block, and a tooling plate is arranged at the top of each mounting sleeve. The painted backing plate processing tool is provided with station boards and the tool assemblies,and the station boards move synchronously with the mounting sleeves, so that the spacing between the different station boards can be adjusted, and the spacing between station tubes on the different station boards can be conveniently adjusted; and by starting air cylinders at both ends of the station boards, the spacing between two adjusting blocks on each station board can be changed, so that adjustment can be performed according to hole positions on a painted backing plate, processing is facilitated, and a wide application range is achieved.

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 discloses a height-adjustable workstation table, which comprises a base, a connecting rod, a table top and a rotating part. The rotating parts are fixedly installed at both ends of the connecting rod, and one end of the connecting rod is connected to the base through the rotating part. The four corners of the bottom end are bolted and fixed with adjustment parts, the other end of the connecting rod is connected to the desktop through a rotating part, the first end of the desktop is connected to a telescopic rod through a hinge, and the end of the telescopic rod far away from the desktop is connected to the base through a hinge, and the telescopic rod is connected to the base through a hinge. A fixed pin is inserted in the middle, and the invention can realize the adjustment of the height of the desktop and the inclination angle of the desktop to meet the different position requirements of different users for the desk. The adjustment method is simple, and more flexible and changeable. Quickly level the table top.

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.

The invention discloses a mobile power supply production line, which belongs to the technical field of electronic product production lines. The invention includes a line body and a station table. The line body includes a transmission table and a transmission mechanism. A plurality of stations are arranged symmetrically along both sides of the transmission table. The first station tables are respectively arranged on the two stations opposite to the starting end of the transmission table. With the second station table, a third station table and a fourth station table are arranged on the station opposite to the middle section of the transfer platform, and a fifth station table is arranged on the other stations. The present invention is designed for the unique production process of the mobile power supply, and according to the characteristics of each process, five workstation tables with different functions are set up, and the desks are symmetrically arranged on both sides of the line body, perfectly combining automation and labor , not only has specificity, but also has a simple structure, concise and beautiful appearance, solid and practical, light, easy to disassemble and carry, convenient to assemble, high efficiency, and can be applied to the production and assembly of other similar electronic products by adjusting the position and quantity of each workstation table.

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 press-fit production line of automobile shock absorbers. A plurality of support frame placement blocks are correspondingly fixedly arranged on the edges of a station turntable; the support frame placement blocks are uniformly distributed on the station turntable; and a support frame feeding station, a neck bush feeding station, a cover plate feeding station, a riveting station, a height detecting station, a torque detecting station, a through hole detecting station and a discharge station are sequentially arranged around the station turntable and in the direction of rotation of the station turntable. When any one of the support frame placement blocks is rotated to the support frame feeding station, the neck bush feeding station, the cover plate feeding station, the riveting station, the height detecting station, the torque detecting station, the through hole detecting station and the shock absorber discharge station are provided with the corresponding supportframe placement blocks. According to the structure described above, the press-fit production line of the automobile shock absorbers has the advantages of realizing the completely automatic productionof pressing and fitting the shock absorbers and improving the production efficiency.