162 results about "Porous pipe" patented technology

The invention discloses a porous tubular methanol solid oxide fuel cell with a closed end, the fuel cell is a tubular solid oxide fuel cell (SOFC) stack, and the tubular SOFC stack comprises a plurality of tubular SOFC single cells; in the moving direction of fuel in the inner tube, the bottom end of the inner tube of the tubular SOFC single cell is open, the top end of the inner tube of the tubular SOFC single cell is closed, and a plurality of sections of closed areas and a plurality of sections of perforated areas are arranged on the tube wall of the inner tube and are sequentially and alternately arranged. According to the inner tube structure of the tubular SOFC single cell, the distribution uniformity of methanol on the surface of the anode of the solid oxide fuel cell can be effectively improved, so that the problem of serious carbon deposition caused by non-uniform distribution of methanol on the surface of the anode of the solid oxide fuel cell is effectively solved.

The invention relates to an efficient self-exhaust air floating type hydraulic cyclone device and a using method, the device is applied to particle size separation, the device is composed of an inlet pipe, an overflow pipe, an exhaust plug, a buffer cushion, an exhaust pipe, a columnar barrel, flanges (a barrel flange and a cone flange), a cone, a porous pipe, a fixing ring and an underflow pipe, and the method comprises the following steps of 1, coarse screening, 2, feeding and 3, cyclone separation. 4, air floatation reinforcement; and 5, automatic exhaust. Compared with the prior art, compared with a traditional air floating type swirler, the device has a more stable swirling flow field, the separation efficiency is improved by 15%, and the pressure drop is reduced by 50%.

The invention belongs to the technical field of hydrogen production, and particularly relates to a double-tank metal hydride hydrogen purification device which comprises a first tank body, a second tank body, a primary exhaust pipe, a gas communicating pipe, a first liquid passing bathroom, a second liquid passing bathroom, a circulating liquid bath chamber and a liquid communicating pipe. A first perforated pipe and a first metal hydride are arranged in the first tank body; and a second perforated pipe and a second metal hydride are arranged in the second tank body. The primary exhaust pipe is communicated with the first perforated pipe, and the gas communication pipe is communicated with the primary exhaust pipe and the second perforated pipe. And the first tank body and the second tank body are coated with the first liquid passing bathroom and the second liquid passing bathroom respectively. And the first liquid passing bathroom, the circulating liquid bath chamber, the second liquid passing bathroom and the liquid communicating pipe are communicated in sequence to form a liquid pipeline. Through the design of the circulating liquid bath chamber and the liquid communicating pipe, the hydrogen absorption and heat release process and the hydrogen desorption and heat absorption process are mutually compensated, the heat utilization efficiency is improved, the external heating and cooling requirements are reduced, and the energy consumption in the hydrogen purification process is reduced.

The invention relates to the technical field of boiler flue gas filtration, in particular to a gas inlet device for boiler flue gas filtration. The air inlet device for boiler flue gas filtration comprises an air inlet pipeline, rotating valves, an executing mechanism, fan blades, a transmission mechanism, a cleaning pool and a perforated pipe, the input end of the air inlet pipeline communicates with a boiler body, the output end of the air inlet pipeline communicates with a dust remover, and the rotating valves are installed in the air inlet pipeline and close to the input end at equal intervals; an executing mechanism is installed between the rotating valve and the gas inlet pipeline and used for driving the rotating valve to be opened and closed so as to control the gas inlet amount of the flue gas. According to the air inlet device for boiler flue gas filtration, the amount of flue gas generated by combustion in a boiler can be monitored in real time through the integrated sensor and the control system, the opening degree of the rotating valve is intelligently adjusted according to the data, accurate adjustment of the opening degree of the rotating valve is ensured through a worm and gear and a bevel gear transmission system in the executing mechanism, and the operation efficiency is improved. Therefore, the amount of flue gas entering the dust remover can be accurately controlled.

A composite capsule-based control apparatus and method for actively controlling soil deformation, comprising deformation bodies (2), a porous pipeline, a sealing cover and a medium injection control system. The deformation bodies (2) are connected by means of a sawtooth interface (3), and connecting portions are provided with pores. A deformation body (2) has two states: for use in laying new embankments, both sides are folded inward along an edge to ultimately form a rectangular flat shape, and multiple deformation bodies (2) are arranged in sequence along the longitudinal direction of an embankment; for operational repair implantation, bundled deformation bodies (2) that are initially cylindrical are implanted into reserved holes. The sealing cover is used to seal reserved holes on the embankment after the deformation bodies (2) are laid on a new embankment, to ensure that the outer appearance is the same as the embankment slope. The medium injection control system is used to monitor and control the injection of a medium. The porous pipeline has a single inlet and multiple outlets, the inlet of the porous pipeline being connected to a medium injection pipe (1), and the porous pipeline being uniformly disposed within the deformation bodies (2), to achieve uniform medium injection and ensure that lifting force remains stable during a control process.

The invention discloses a capillary drainage gravel pipe pile for a collapsible aeolian sand foundation in a Sagomei district and a construction method, the capillary drainage gravel pipe pile comprises a porous pipe pile buried in sandy soil, micropores are uniformly formed in the porous pipe pile, gravel is filled outside the porous pipe pile to form a hollow gravel pile, and the hollow gravel pile is filled with water. A capillary drainage permeable pipe is arranged in the porous pipe pile; the construction method comprises the following steps that a construction area is cleaned, the vibroflot is hoisted through a crane to sink into a soil layer, then the outer-layer steel sleeve is installed outside the vibroflot and sinks into a preset depth together with the vibroflot, the porous pipe pile is installed inside the outer-layer steel sleeve, the space between the porous pipe pile and the outer-layer steel sleeve is filled with gravel, and a hollow gravel pile is formed; and meanwhile, the vibroflot is lifted, then water is injected and pumped into the porous pipe pile, the foundation is pre-settled, and finally the capillary drainage permeable pipe is installed in the porous pipe pile. The method can reduce the later settlement of the foundation, improve the construction quality, improve the bearing capacity of the foundation and enhance the anti-seismic property of the foundation.

The invention relates to the technical field of cone valve multi-mode air supply-energy dissipation cooperative cavitation reduction devices and control methods, and discloses a fluid control device named'cone valve multi-mode air supply-energy dissipation cooperative cavitation reduction devices and control methods'. The conical valve aims to solve the problems that an existing conical valve is serious in cavitation under the working condition of high pressure difference, air supply and energy dissipation functions are separated, and response lags. The device is characterized by comprising three stages of energy dissipation perforated pipes which are arranged at the outlet end of a valve body in a gradient mode, negative pressure injection air supply pipes which are symmetrically arranged outside a flow guide cover and flow guide fins which are welded to the inner wall of a cone, and the three stages of energy dissipation perforated pipes, the negative pressure injection air supply pipes and the flow guide fins cooperate to achieve pressure gradient pressure relief, self-adaptive air supply and flow state stability; the control method dynamically adjusts the air supply intensity based on the opening degree, the pressure difference and the vibration signal. According to the technical scheme, cavitation inception and collapse impact are remarkably restrained, vibration noise is reduced, the service life of the valve is prolonged, an external air source is not needed, the system pressure drop is controllable, and the system is suitable for ultrahigh pressure difference and large-flow hydroelectric working conditions.

The invention provides an anti-waterlogging drainage structure for a village in city low-lying area. The anti-waterlogging drainage structure comprises a porous permeable drainage layer and a water storage permeation unit. The surface of the porous water-permeable drainage layer is in a micro-slope design, and a porous pipeline is embedded in the porous water-permeable drainage layer, can be arranged in the slope direction or in the direction perpendicular to the slope direction and is connected to an external drainage system. The water storage permeation unit comprises an upper permeation area and a lower water storage area, and the upper permeation area is filled with sandy soil and permeable vegetation and used for slowing down the flow velocity of rainwater and filtering impurities. The lower layer water storage area is provided with a hollow structure, and the hollow structure is connected with an external irrigation system and used for storing and recycling rainwater. According to the anti-waterlogging drainage structure for the village in city low-lying area, the pressure of a drainage system can be remarkably reduced under the rainstorm condition, meanwhile, a water source is provided for follow-up irrigation, and compared with a traditional single drainage or water storage structure, the higher comprehensive management efficiency is achieved, and the higher rainwater storage and staged treatment capacity is achieved.

SOLUTION: A method includes steps of: performing MJS cavity filling reinforcement for soil under the floor of an existing station; setting a required cutter head using hob cutter data obtained from an analysis, and setting tunneling parameters of a shield machine cutting in a stratum based on the tunneling parameters of a shield machine cutting in the air; performing secondary grout injection when cutting the diaphragm wall, in addition to synchronous grout injection and secondary grout injection; observing vertical displacement of a station ballast bed, vertical and horizontal displacement of a station side wall, and vertical displacement of a tunnel vault, and adjusting push speed and silo pressure in real time; performing secondary grout injection for segments within 10 rings from a door of a receiving shaft of a newly built station; and injecting grout from grout injection holes of porous segments after the shield machine has passed through.EFFECT: The present invention saves manpower and ensures the safety of an existing station structure above.SELECTED DRAWING: Figure 1

The invention relates to the technical field of hollow fiber membranes, and discloses a preparation method of a dynamic MBR (membrane bioreactor) hollow fiber membrane component, which comprises the following steps: hollowly connecting an impeller framework with a rim pipe by using a connector to obtain an impeller type membrane component; a plurality of hollow fibers are cast into hollow fiber bundles, one ends of the hollow fiber bundles are cast on the reserved opening of the porous pipe sleeve of the impeller framework, the other ends of the hollow fiber bundles are bundled and cast on the hollow rim, and a blade type hollow fiber membrane assembly is prepared; connecting a hollow rim of the blade type hollow fiber membrane module with a rim pipe of the impeller type membrane module to obtain a dynamic MBR hollow fiber membrane assembly; arranging a plurality of dynamic MBR hollow fiber membrane assemblies on a water guide pipe, and connecting in series to form a wheel row; and arranging a plurality of wheel rows in a staggered manner to complete the preparation of the dynamic MBR hollow fiber membrane module. The invention can solve the problems of low packing density of the existing rotary membrane component and easy blockage and pollution of the root of the existing curtain type membrane component, and greatly prolongs the service life of the membrane.

The invention relates to a sorption module for CO2 sorption, comprising: - a porous and tubular sorbent, for sorbing CO2 in a first state, and for desorbing sorbed CO2 from the sorbent in a second state; - a first and a second support, connected to and supporting the sorbent at opposing spaced apart ends of the sorbent, supporting a central part of the sorbent extending between the first and second support through respective end parts of the sorbent abutting against the first and second support, wherein the central part of the sorbent is suspended between, and only supported through, the opposing spaced apart ends of the sorbent which sorption module is configured for allowing a gaseous composition comprising CO2, such as ambient air, to flow between an interior and an exterior through the tubular sorbent.

The invention relates to a substrate / wafer processing device and method, and the substrate / wafer processing device is located in a clean processing chamber. Comprising a substrate sublimation drying processing unit, a wafer rotating base device and a liquid nozzle unit, and the substrate sublimation drying processing unit is a porous tubular air extractor and / or a porous tubular air blowing device or a porous guide plate sublimation drying processing device; the processing device is provided with the substrate sublimation drying processing unit, so that uniform air exhaust and / or uniform air blowing processing is carried out on the surface of the wafer, uniform curing of a processing liquid film on the surface of the wafer and uniform sublimation of a cured film are realized, and pattern lodging caused by uneven stress action such as liquid surface tension in a local area is avoided; therefore, the yield of products is improved, the integrated processing of substrate / wafer cleaning and sublimation drying is realized, the process can be effectively simplified, the productivity can be improved, and the complexity of the process flow and the reduction of the productivity caused by the independent cleaning chamber and drying chamber are avoided.

The invention relates to a preparation method of an internal thread of a low-density heat-proof material. The method comprises the following steps: processing a threaded hole bottom hole in the low-density heat-proof material layer; a bottom hole seepage pipe with a porous pipe wall is installed in a bottom hole of the threaded hole, and then structure reinforced resin is injected into the bottom hole seepage pipe and permeates into the low-density heat-proof material layer through the porous pipe wall of the bottom hole seepage pipe; curing the treated low-density heat-proof material layer, and tapping a heat-proof layer thread in the bottom hole of the threaded hole by adopting a tapping device; a threaded seepage pipe with a porous pipe wall is installed in a bottom hole of the threaded hole, then structure reinforcing resin is injected into the threaded seepage pipe and permeates into threads of the heat-proof layer threads through the porous pipe wall of the threaded seepage pipe, and then curing and thread finishing are conducted, so that preparation of the low-density heat-proof material internal threads is completed. The defects that the low-density heat-proof material is low in strength and effective threads cannot be formed are overcome, and the purpose of threaded connection of the low-density heat-proof material is achieved.

The application provides a concentrated brine interface evaporation device for anti-salt crystallization, comprising a photothermal evaporation unit, the photothermal evaporation unit comprises a hydrophilic hollow porous tube and a photothermal material layer coated on the outside of the hydrophilic hollow porous tube, the hollow axial direction and the diameter direction of the hydrophilic hollow porous tube form a three-dimensional multi-directional evaporation channel, on the one hand, the photothermal evaporation rate is improved, on the other hand, the salt ions in the photothermal material layer are quickly exchanged through the convection effect, and then flow into the inner layer low-concentration water, so that the photothermal layer is prevented from appearing salt crystallization. The inner layer and the peripheral wall of the hydrophilic hollow porous tube are formed with a porous structure through the hydrophilic hollow porous tube, the convection effect of the liquid in the hollow tube is enhanced, the evaporation amount of the device is evenly distributed to the surrounding through the three-dimensional structure design, the concentration of the evaporation surface is prevented from being too high, and the synergistic effect makes the device effectively inhibit the crystallization of salt in the device during the evaporation process.

The utility model discloses a farmland liquid level meter which comprises a perforated pipe, a vertical rod, a water filtering layer, a waterproof shell, a liquid level sensor, an acquisition communication module, a water guide strip and a power supply system. A sealing cover is arranged at the bottom of the perforated pipe, more than one hole is uniformly distributed on the pipe body, and the water filtering layer is wrapped outside the perforated pipe; the top of the perforated pipe is connected with the vertical rod, the top of the vertical rod penetrates through the waterproof shell, the collection communication module is installed in the waterproof shell, the power supply system supplies power to the liquid level sensor and the collection communication module, the number of the water guide strips is at least one, and the water guide strips are fixed to the outer side of the water filtering layer. The field liquid level monitoring device has the advantages of being energy-saving, small and exquisite and convenient to install, can be installed on a ridge of a farmland, and can accurately monitor the field liquid level while the operation of an agricultural machine is not influenced.

An air inlet assembly comprises a shell, an air inlet pipe, a perforated pipe and a partition plate. The shell is provided with an air inlet cavity and comprises an end cover and a circumferential wall. The air inlet pipe at least partially protrudes out of the end cover, and the air inlet pipe comprises a first opening part, a second opening part and an air inlet channel. The perforated pipe is provided with an inner cavity communicated with the air inlet channel and at least one hole communicated with the inner cavity and the air inlet cavity. The partition plate is fixed in the air inlet pipe so as to divide the air inlet channel into a first air inlet channel and a second air inlet channel. When tail gas flows in, the tail gas can flow into the first gas inlet channel and the second gas inlet channel in a layered mode, on one hand, excessive impact of the tail gas on a local area is reduced, and durability can be improved; and on the other hand, the tail gas flowing in a layered manner is beneficial to reducing the back pressure.

The utility model discloses a kind of automobile parts cleaning device, including support frame, support frame is fixed cleaning tank and water receiving tank, first support plate is equipped in cleaning tank, and its upper portion is connected second support plate through support column, and second support plate is equipped support rod and pneumatic clamp. Pump machine and driving motor are installed on support frame, and pump machine inlet end is connected water tank, and outlet is connected porous pipe and spray pipe on first support plate through first distribution pipe, second distribution pipe. Drainage hopper is equipped in the bottom of cleaning tank, and water tank is connected by drainpipe on hopper, and top is connected cover plate by pneumatic push rod. The device is targeted cleaning by porous pipe and spray pipe, realizes water recycling, and part is fixed stable, convenient to operate, suitable for a variety of automobile parts cleaning.

The utility model belongs to the technical field of polycaprolactam polymerization production, and particularly relates to a filter in an extraction tower and a filter system in the extraction tower used for polycaprolactam production and applying the filter. The filter in the extraction tower comprises a tubular filter screen, the tubular filter screen comprises a non-porous pipe and a filter outer pipe which are coaxially arranged inside and outside, filter holes are densely distributed in the pipe wall of the filter outer pipe, the pipe wall of the non-porous pipe is smooth and non-porous, one end of the filter outer pipe is gradually reduced to form a necking opening, and the end part of the non-porous pipe is fixedly connected with the necking opening of the filter outer pipe; and the height of the non-porous pipe is lower than that of the filtering outer pipe. The extraction tower inner filtering system comprises an extraction tower, an extraction tower inner filter is mounted on a filtering mounting pipeline of the extraction tower, and a necking opening of a filtering outer pipe is communicated with an overflow pipeline. According to the utility model, the siphonic effect is effectively reduced, the blockage of the filter is reduced, the frequent cleaning caused by the blockage of the filter is avoided, the shutdown time of an extraction procedure is reduced, and the production efficiency is improved.

The crude adipic acid thickening device provided in this embodiment of the invention features a central tube and a first porous tube that can move relative to each other. When blowing away the solid portion of the crude adipic acid slurry adhering to the outer filter screen, the central tube and the first porous tube are initially in a closed position. In this state, high-pressure gas cannot escape and remains inside the central tube, causing the pressure inside the central tube to continuously increase until a preset value is reached. Then, the central tube and the first porous tube move from the closed position to the open position. At this time, high-pressure gas is simultaneously and instantaneously released from various points on the first porous tube, blowing away the solid portion of crude adipic acid adhering to the outer filter screen. Compared to direct backflushing of high-pressure gas without accumulation, this embodiment of the invention achieves higher gas pressure inside the central tube. Furthermore, because multiple filter holes on the first porous tube open simultaneously, the pressure of the emitted gas is more uniform, resulting in a better blowing effect.

The invention relates to the field of gas-liquid uniform mixing equipment, and discloses a gas-liquid uniform mixing device for a multiphase multiphase pump, which comprises an outer shell sleeve, an outer shell and an inner shell, the outer shell sleeve is arranged on the outer wall of the upper end of the outer shell, the inner shell is coaxially arranged in the outer shell, the outer shell is provided with a baffle plate, the inner wall of the outer shell is provided with a guide plate, and the middle part of the lower end of the outer shell is provided with an extension pipe. A perforated pipe is arranged on the outer wall of the inner shell, an opening is formed in the upper end of the perforated pipe, a gap is formed between the inner wall of the perforated pipe and the outer wall of the inner shell, a plurality of jet flow holes are formed in the outer wall of the perforated pipe, and a concave pipe is arranged at the lower end of the perforated pipe and extends into the lower end of the inner shell; the spiral flow guide plate can remarkably prolong the motion path and the retention time of fluid, the jet flow holes formed in the outer wall of the porous pipe can enable a liquid phase to enter a gap between the inner wall of the porous pipe and the outer wall of the inner shell in a high-speed jet flow state, strong shearing force and a negative pressure adsorption effect are formed, and a gas phase obtained after preliminary separation is efficiently sucked into the gap; and secondary mixing of gas and liquid is realized.

The utility model relates to the technical field of deaerators, in particular to a starting heating steam pipe row for a deaerator, and aims to solve the problem that after starting steam flows in the pipe row, the uniformity of the steam in the pipe row is poor, and the starting effect of a unit is directly influenced. The device comprises a steam main pipe, a steam guide pipe, a flow distribution pipe, a pipeline support hanger and a boiling pipe, the steam main pipe is vertically arranged, the steam guide pipe and the steam main pipe are crossed, the middle parts of the steam guide pipe and the steam main pipe are communicated with each other, each end of the steam guide pipe is communicated with one flow distribution pipe, a plurality of pipeline support hangers are connected outside each flow distribution pipe, and the pipeline support hangers are used for being fixed with the inner wall of the deaerator; according to the starting heating steam pipe row, through matching of the calibers of all levels of pipelines, the steam flow speed can be controlled, vibration of equipment is reduced, noise is low, and safety and stability of the equipment are easily guaranteed.

The utility model discloses a drawable multi-hole pipeline mechanical device which comprises two machine frames, a working table is fixedly arranged at the upper ends of the machine frames, a mounting frame is fixedly arranged at the upper end of the working table, and the middle position of the mounting frame is of a hollow structure. The mounting bases are arranged above and below the front end and the rear end of one side of the outer portion of the mounting frame, mounting lug plates are arranged between the upper mounting base and the lower mounting base, the mounting lug plates are rotationally connected with the mounting bases, and a first motor is arranged outside the mounting base at the rear end; an output shaft of the first motor extends to the inner side of the mounting seat and is fixedly connected with the mounting lug plate; and the limiting roller is arranged in the lower portion of the mounting lug plate, the limiting roller is rotationally connected with the mounting lug plate, and the structure solves the problems that a porous pipeline is prone to deviation during drawing, and a clamping mechanism is difficult to adapt to porous pipes with different hole diameters.

The invention relates to the field of artificial fish reefs, and in particular to an artificial fish reef, comprising a box body, a perforated pipe and a non-perforated pipe; the box body comprises a bottom plate, a box cover and four side plates extending vertically upward from the bottom plate; the box cover is located above the four side plates, and the four side plates are fixedly connected to the box cover by bolts; two side plates on the front and rear sides of the box body are each provided with a plurality of evenly distributed first perforations; the box cover is provided with a plurality of evenly distributed second perforations; the perforated pipe and the non-perforated pipe are both provided with a plurality of pipes and are horizontally distributed in the box body; the plurality of perforated pipes and the plurality of non-perforated pipes are staggered; the perforated pipe is provided with a plurality of light-transmitting holes distributed around the periphery thereof, and the light-transmitting holes are connected to the inner cavity of the perforated pipe; the application can efficiently attract fish and can also be adapted to the habitat of various types of fish and marine life.

The invention relates to the technical field of underground water level monitoring, and discloses a magnetostriction float type underground water level meter and an underground water level measuring method and device. Comprising a coiled pipe body, and the cross section of the coiled pipe body is provided with a central large circular hole and a plurality of small circular holes which are symmetrically distributed; a water inlet hole blocked by permeable stone is formed in the bottom of the pipe body capable of being coiled; the electronic bin is in sealed connection with the top of the pipe body capable of being coiled, the electronic bin is fixedly connected with the ground protection pipe through a tensile steel wire rope, and scale information is arranged on the surface of the tensile steel wire rope; the floater assembly is arranged in the central large circular hole and comprises a hollow floating body and a built-in permanent magnet; the waveguide sensing assembly is characterized in that a closed-loop measuring loop formed by a waveguide sensing wire and a cable is arranged in a small circular hole, and the closed-loop measuring loop generates a torsion wave signal through an excitation circuit in an electronic bin; the magnetostriction signal processing module is arranged in the electronic bin; and acquiring the extension length of the measured tensile steel wire rope, and calculating the underground water level according to the extension length and the relative displacement.

The utility model belongs to the technical field of environment detection equipment, and provides a porous glass plate absorption bottle which comprises a U-shaped absorption tube composed of a main tube and a branch tube, a spherical transition tube is arranged close to the top of the main tube, a porous glass plate is arranged close to the bottom of the main tube, a main transverse folding tube is arranged at the end of the main tube, and a branch transverse folding tube is arranged at the end of the branch tube. The anti-overflow blocking block is movably arranged on the inner wall of the branch transverse folding pipe, the anti-overflow blocking block comprises a column table part and a frustum part, the anti-overflow blocking block is provided with a liquid injection channel, and the length of the frustum part is not larger than the inner diameter of the branch transverse folding pipe; a pull rope is arranged at the end of the column table part, and the length of the pull rope is larger than that of the branch transverse folding pipe. The porous glass plate absorption bottle provided by the utility model can effectively avoid the outflow and overflow of absorption liquid and the residue of the absorption liquid at the liquid adding pipe orifice in the liquid injection process, and ensure the accurate quantification of the absorption liquid, thereby ensuring the accuracy of a detection analysis result, being high in liquid adding speed, improving the liquid adding and detection efficiency, and being simple, convenient, time-saving and labor-saving to operate.

The utility model relates to the technical field of pervious pipes, and discloses an anti-clogging combined pervious pipe which comprises a first pervious perforated pipe, the outer wall of the first pervious perforated pipe is fixedly connected with a second pervious perforated pipe, and the outer wall of the second pervious perforated pipe is fixedly connected with a supporting spring frame. Geotechnical cloth is connected to the outer wall of the supporting spring frame in a winding mode, a supporting grid is fixedly connected to the outer wall of the geotechnical cloth, the pipe shell is in threaded connection to the outer wall of the right end of the supporting grid, a fixing plate is fixedly connected to the right side of the top end of the pipe shell, and a baffle is connected to the bottom end of the fixing plate through a connecting assembly. And external impurities are prevented from entering the permeable pipe. According to the permeable pipe, the permeable pipe has high strength and hardness, meanwhile, the permeable pipe has good water permeability, the structural property and practicability of the permeable pipe are improved, and external impurities can be prevented from entering the permeable pipe to block the permeable pipe and affect the drainage effect of the permeable pipe.

The application discloses a porous tubular methanol solid oxide fuel cell with a closed end, which is a tubular solid oxide fuel cell (SOFC) cell stack, and a plurality of tubular SOFC single cells are contained in the tubular SOFC cell stack; the bottom end of the inner tube of the tubular SOFC single cell is open, the top end is closed, the inner tube wall is provided with a plurality of closed sections and a plurality of open sections, and the plurality of closed sections and the plurality of open sections are arranged alternately in sequence along the moving direction of fuel in the inner tube. The inner tube structure of the tubular SOFC single cell can effectively improve the uniformity of the distribution of methanol on the anode surface of the solid oxide fuel cell, thereby effectively overcoming the serious problem of carbon deposition caused by the uneven distribution of methanol on the anode surface of the solid oxide fuel cell.

The utility model discloses a full mixed flow reactor, which relates to the technical field of chemical equipment and comprises a reaction container, a support frame is fixedly mounted on the outer wall of the reaction container, a discharge gate valve is fixedly connected to the center of the bottom of the reaction container, and a top plate is fixedly mounted at the top of the reaction container. The top of the top plate is fixedly connected with a raw material adding cylinder, the top plate is provided with a rapid flow mixing mechanism, the rapid flow mixing mechanism comprises a rotating adapting pipe and a lifting seat, and the rotating adapting pipe is rotatably connected to the inner wall of the top plate. Through the transmission of the gear disc, the rotary adapting pipe can be driven to rotate, and the vertical square pipe is synchronously driven to rotate in the inner cavity of the reaction container, so that reactants can be uniformly discharged into the inner cavity of the reaction container by the perforated pipe, and materials in the reaction container can be stirred through the rotating stirring fins; the function of rapid complete flow mixing is achieved, the high efficiency of the structure is improved, and the reaction effect between materials is improved.

The invention belongs to the technical field of petrochemical engineering, and particularly discloses a structural catalytic reactor for subcritical / supercritical hydrothermal modification of inferior heavy oil and a using method thereof.The structural catalytic reactor comprises an inner pipe and an outer pipe, the inner pipe is arranged in the outer pipe, the inner pipe and the outer pipe are coaxially arranged, and the outer pipe is arranged in the inner pipe; a first feeding port is formed in one end of the inner pipe, a second feeding port and a discharging port are formed in the two ends of the outer pipe respectively, an end is arranged between the inner pipe and the discharging port, the inner pipe is a porous pipe body, and the inner pipe is formed by alternately filling and sintering a stainless steel metal net and metal oxide powder. Wherein the stainless steel mesh plays a role in physical support and resistance to internal and external pressure difference, and the metal oxide plays a role in catalysis to catalyze flowing-through inferior heavy oil and water, so that the inferior heavy oil and water are subjected to in-situ hydrogen supply modification reaction. According to the invention, oil, water and catalyst three-phase mass and heat transfer can be enhanced from the molecular scale, so that the subcritical / supercritical water thermal cracking modification of the inferior heavy oil is improved.