34results about How to "Reduce dead space" patented technology

The invention relates to a portable standard gas supply device and method. The portable standard gas supply device comprises a gas source, a pressure reducing valve, a high-pressure stop valve, a pressure stabilizing chamber, a micrometering valve, a gas distribution chamber, an absolute pressure sensor, a first capacitance film gauge, a second capacitance film gauge, a Pirani vacuum gauge, a first high-vacuum angle valve, a second high-vacuum angle valve and a vacuumizing system. According to the portable standard gas supply device and method, through reasonable design, the device and the pipeline have the functions of heating, gas extraction and purification, replacement, portability and the like, the gas purity is guaranteed from the source, pollution of residual gas or organic matter is reduced, measurement errors caused by unreasonable design are reduced, and the measurement accuracy is improved. The accuracy of the prepared standard gas pressure and components is ensured to the maximum extent; the gas distribution precision is improved, the uncertainty of the gas distribution concentration is reduced, the requirement of field dynamic gas distribution can be met, and the method is simple, feasible and easy to operate.

The application belongs to the technical field of reaction kettles, and particularly relates to a vertical stainless steel reaction kettle, which comprises a kettle body, a separation cover fixedly connected to the top of the inner side of the kettle body, a sliding connection hole formed in the bottom of the separation cover, a first sealing ring clamped on the inner wall of the sliding connection hole, a stirring shaft slidably connected to the sliding connection hole through the first sealing ring, and a transmission groove formed in the top end of the stirring shaft; a driving device is installed on the top of the kettle body, a driving shaft is fixedly connected to the output shaft of the driving device, a spline is arranged on the shaft surface of the driving shaft, and the driving shaft is slidably connected to the transmission groove through the spline; in the application, the downward guiding of the material by the first spiral blade and the upward pushing of the bottom material by the inclined paddle blade are combined with the lifting movement of the stirring shaft driven by the hydraulic cylinder and the first spring to realize the up-and-down convection circulation of the material in the kettle body, effectively prevent the deposition, eliminate the stirring dead zone, and improve the space coverage capacity of the first spiral blade.

The utility model provides a fermentation tank for producing a microbial preparation. The fermentation tank comprises a tank body, a stirring mechanism and an aeration mechanism, the stirring mechanism comprises a motor and a stirring shaft; the motor is arranged at the top of the tank body, the output end of the motor is connected with the stirring shaft, the stirring shaft longitudinally penetrates through the tank body, the stirring shaft is hollow, and a ventilation branch pipe is radially arranged close to the top end in the tank body; the aeration mechanism comprises a transfer ring, an air control piece and an air outlet disc; the transfer ring is located on the outer surface of the stirring shaft, the top of the inner wall surface is rotationally connected with the stirring shaft, and the bottom end of the inner wall surface is provided with an annular opening; the air control part is used for providing air flow to the transfer ring; the air outlet disc is communicated with the bottom end of the stirring shaft. Oxygen bubble groups are diffused at a high speed along a radial track through a centrifugal force field generated by the air outlet disc, so that the oxygen dissolving rate is increased; meanwhile, the air outlet disc body serves as a rotating component and directly participates in the mechanical mixing process of materials, and the mixing effect is improved.

The present invention discloses an airflow drive assembly for an industrial air cooler and a driving method thereof, and specifically relates to the field of air coolers. The airflow drive assembly comprises a bracket, the bracket is mounted on the top of a box of the industrial air cooler, a motor is mounted on the bracket, a main shaft is mounted on the output end of the motor, a crossflow fan blade is fixedly mounted on the main shaft, and the motor is used to drive the crossflow fan blade to rotate through the main shaft. The present invention can achieve the purpose of ventilation and heat dissipation by driving the crossflow fan blade by the motor, and the wind speed at each position of the evaporation medium can be kept basically consistent through the crossflow fan blade, thereby improving the efficiency of ventilation and heat dissipation. When the crossflow fan blade needs to be cleaned, the outer water retaining telescopic assembly and the inner water retaining telescopic assembly are extended upward to form an outer cleaning space and an inner cleaning space, so as to reduce useless space, so that when the crossflow fan blade rotates, water can splash higher, thereby achieving the purpose of comprehensive cleaning.

This invention relates to a method and system for treating interface contaminants in a mixing and clarification tank, belonging to the field of nuclear fuel reprocessing. The method involves conveying interface contaminants to the final stage mixing and clarification tank via top-tank operation, separating the organic phase, and then returning the liquid containing interface contaminants from the final stage mixing and clarification tank to the organic phase inlet of the first stage mixing and clarification tank. The interface contaminants are dispersed by the agitation of the pump impeller within the mixing and clarification tank, thereby redissolving radioactive materials in the liquid. This invention utilizes in-situ treatment of interface contaminants and recovery of radioactive elements in a mixing and clarification tank, significantly reducing the accumulation of radioactivity in interface contaminants, mitigating radiation damage from organic solvents, and is simple to operate without requiring additional treatment equipment.

The utility model relates to a water quenching pool. The device comprises a tank body, a stirring mechanism, an aeration mechanism and a circulating cooling system, the stirring mechanism is installed in the tank body through a support, the stirring mechanism comprises a stirring shaft, stirring blades and a motor, the stirring shaft is rotatably installed on the support in the vertical direction, the stirring blades are installed on the stirring shaft in the axial direction of the stirring shaft, and the stirring shaft can be driven to rotate through the motor; the aeration mechanism is mounted at the bottom of the tank body, and air can be injected into water through the aeration mechanism, so that the cooling uniformity of the casting is improved; the tank body is further connected with a circulating cooling system, and the temperature of water in the tank body can be reduced through the circulating cooling system. According to the scheme, the uniformity of the water temperature in the pool can be improved, a heat insulation steam film is damaged during water quenching, water makes continuous contact with the surface of the casting, and the water quenching effect is guaranteed.

The display device includes: a substrate including a display area and a non-display area adjacent to the display area; a display panel disposed on the substrate and including a plurality of pixels; a support member that overlaps the display region and the non-display region and is disposed at a lower portion of the substrate; a connection wiring that overlaps a portion of the non-display area and at least a portion of which penetrates the support member; a pad electrode disposed in the non-display area on the substrate and electrically connected to the connection wiring; and a connection member in contact with each of the pad electrode and the connection wiring.

A display device and an electronic device including the same are disclosed. The display device includes a substrate including a first-first display area, a second-first display area, and a first-second display area arranged in a first direction; a pixel circuit in the first-first display area and the first-second display area; a first driving circuit in the second-first display area and providing a first driving signal to the pixel circuit; a light emitting element in each of the first-first display area, the first-second display area, and the second-first display area; a first data output pad connected to a first pixel circuit in the first-first display area; a second data output pad connected to a second pixel circuit in the first-second display area and spaced apart from the first data output pad in the first direction; and a first control output pad connected to the first driving circuit and located between the first data output pad and the second data output pad in the first direction.

A display device is provided. The display device includes a substrate including a display area and a non-display area; a plurality of signal wirings extending on the substrate in a first direction from the non-display area so as to be arranged in the display area; a connection wiring extending on the substrate from the non-display area and electrically connected to the signal wiring via the display area; and an initialization voltage line extending on the substrate in a second direction intersecting the first direction, the connection wiring overlapping the initialization voltage line in a thickness direction.

The present application relates to the technical field of bipolar plate, in particular to a liquid flow battery flow channel bipolar plate with positive and negative staggered rib parts and wave-shaped reinforcement, comprising: a bipolar plate substrate, a flow channel unit, a rib part unit; a first surface is provided with a first flow channel unit and a first rib part unit, a second surface is provided with a second flow channel unit and a second rib part unit, the first flow channel unit and the second rib part unit correspond to each other in positive and negative directions of the bipolar plate substrate, and the second flow channel unit and the first rib part unit correspond to each other in positive and negative directions of the bipolar plate substrate; the flow channel unit is a wave-shaped flow channel, a chamfer is arranged between the first rib part unit and the first flow channel unit, and a chamfer is arranged between the second rib part unit and the second flow channel unit. The present application makes the flow channel bipolar plate have higher structural rigidity and fracture resistance when bearing bending load.

This application discloses a double self-locking U-shaped tee structure, comprising: a quick-connect tube with a male plug installed below it, the male plug having a second cavity inside, the second cavity having a first annular body on its outer wall; a first pin with a first spring between it and the first cavity, and a first sealing ring fitted around its outer ring to cooperate with the first annular body and the first step; a U-shaped tube with a female plug installed above it; a second pin located inside a fourth cavity and extending toward a third cavity, a second spring between it and the third cavity, and a second sealing ring fitted around its outer ring to cooperate with the second annular body and the second step. The double self-locking tee structure provided by this application can ensure liquid circulation, reduce dead space, and reduce bacterial growth. In addition, it can achieve double self-locking to ensure that liquid does not flow out, making it the preferred choice for sanitary pipes.

The application relates to the technical field of water treatment equipment, and particularly discloses a gravity type air scrubbing filter device, which comprises a box body, a first water inlet pipe, a first pipeline and a gas distribution pipeline. The box body is in a cuboid structure, a plurality of first partition plates are arranged in the box body at intervals, and the plurality of first partition plates divide the box body into a plurality of first chambers from top to bottom, wherein the first chambers comprise a clean water bin, a water isolation bin and a water collecting bin in sequence, a filter material layer is arranged in the water isolation bin, and a filter plate is arranged between the filter material layer and the water collecting bin. The first water inlet pipe is communicated with the water isolation bin. The first pipeline is communicated with the water collecting bin and the clean water bin, and is provided with a water outlet pipe. The gas distribution pipeline is arranged in the water collecting bin. The application can solve the problems of low space utilization, complex installation and inconvenient maintenance of the existing circular cylinder design.

The invention discloses a water-saving circulating system based on beam dyeing, which belongs to the technical field of textile dyeing and comprises a dye vat, a beam, a water inlet pipe, a water outlet pipe, a color fixing mechanism, a cloth inlet mechanism, a cloth outlet mechanism, a sampling cup, a reversing valve and a preparation vat. The preparation vat is added in the dyeing process, the flowing direction of water between the dye vat and the reversing valve is switched through parts such as the communicating pipe, water is stored, the collected water is switched to proper dyeing process steps for reasonable application, and the use dosage of the water, dye and auxiliaries is further reduced; the dyeing process is improved by means of the preparation vat, part of dyeing water can be consumed every time the preparation vat pumps and recycles most reuse water from the dye vat to the preparation vat stores the most reuse water, but compared with a traditional four-water process, most water can be recycled, and the difficulty of follow-up wastewater treatment is reduced.

The utility model discloses a railway vehicle temporary maintenance lighting device based on magnetic attraction fixation, which relates to the technical field of railway vehicle maintenance lighting and comprises a fixing frame, and a searchlight is hinged to one end of the fixing frame. The supporting frame is arranged at the other end of the fixing frame; the independent magnetic attraction assemblies are distributed on the outer side wall of the supporting frame at intervals and comprise short bolts connected to the outer side wall of the supporting frame in a threaded mode, sleeves are arranged at the ends, away from the searchlight, of the short bolts, powerful magnetic attraction pieces are installed at the ends of the sleeves, and a plurality of round holes are formed in the ends of the sleeves and the surfaces of the powerful magnetic attraction pieces. The inner side wall of the round hole is slidably connected with a pin, and the other end of the pin is elastically connected into the sleeve to form a telescopic pin. According to the utility model, the surface contact is dispersed into a plurality of point contacts, so that the contact is better attached to an arc surface or a welding seam, invalid gaps are reduced, and the actual effective contact area and the total suction force are improved; and the plurality of protruding pins rotate synchronously, so that the oil stain layer can be punctured or extruded under the pressure of the spring.

Provided are a display device and a method of manufacturing the same, the display device including: a base layer including a first base layer having a first base hole, a second base layer having a second base hole, and a barrier layer disposed between the first and second base layers and having a barrier hole; a display layer; a driving chip; a first conductive layer including a (1-1) th conductive layer electrically connected to a part of the display layer and a (1-2) th conductive layer electrically connected to the driving chip; and a contact structure including a connection portion electrically connecting the (1-1) and (1-2) conductive layers. The first base layer includes 1-1 and 1-2 base layers spaced apart from each other in the thickness direction. The second base layer includes 2-1 and 2-2 base layers spaced apart from each other in the thickness direction. The barrier layer includes first and second barrier layers spaced apart in a thickness direction. A portion of the connection portion is disposed within the first base hole. The first base layer includes a tapered surface in which a connection portion is disposed without an undercut structure in a region adjacent to the first base hole.

The invention discloses an instant water outlet pump which comprises a pump base, a pump water storage chamber is installed at the top end of the pump base, a machine seal cooling chamber is installed in the middle of the pump water storage chamber in a bolting mode, a pump body milling chamber is arranged at the bottom of the machine seal cooling chamber, a motor support is installed at the top end of the pump water storage chamber, and a motor is installed at the top end of the motor support in a bolting mode. The output end of the motor is in key connection with a water throwing wheel, and the water throwing wheel extends into the pump water storage chamber and is rotationally mounted in the pump body milling chamber; the output end of the pump water storage chamber is provided with a water supply pipe in a sealed mode, and the output end of the pump water storage chamber is provided with an output pipe in a sealed mode. Due to the fact that water is directly fed into the water storage chamber through the water inlet pipe, the water-gas separation chamber and the negative pressure chamber are combined into a whole to form an integral water storage tank, an inlet is free of bent pipe resistance, efficiency of the water pump is greatly improved, output energy loss of the water pump is reduced, output efficiency of the water pump is improved, and energy is further saved.

The double-cavity underwater wireless data monitoring system for the diving respirator comprises a gas detection device and a gas display device, the gas detection device comprises a hollow first waterproof shell, a waterproof partition plate is fixed in the middle of the first waterproof shell, and an inner cavity of the first waterproof shell is divided into a closed normal pressure cavity and a variable pressure cavity by the waterproof partition plate; a normal-pressure cavity sealing ring and a normal-pressure cavity upper cover are fixed to the top of the first waterproof shell and located over the closed normal-pressure cavity, a control key is embedded in the normal-pressure cavity upper cover, a battery, a control circuit board and an antenna are fixed in the closed normal-pressure cavity, and a transformation cavity sealing ring and a transformation cavity upper cover are fixed to the top of the first waterproof shell and located over the transformation cavity. The front side of an upper cover of the variable-pressure cavity is fixedly connected with an inspiration gas outflow connector of an upper inspiration pipeline of the respirator, the front side of a bottom shell of the first waterproof shell is located under the variable-pressure cavity and fixedly connected with an inspiration gas inflow connector of a lower inspiration pipeline of the respirator, an installation plate is fixed in the variable-pressure cavity, and a differential pressure sensor and a gas concentration sensor are fixed to the installation plate.

This application relates to the field of lithium hexafluorophosphate production technology, specifically disclosing a high-efficiency reactor for lithium hexafluorophosphate production. The reactor includes a reactor body and a stirring shaft positioned at the center of the reactor body. A motor is fixedly connected to the top of the stirring shaft. A circular opening is formed at the center of the top of the reactor body, and a flange seal connects to an air inlet cylinder extending into the reactor body. A channel is formed at the center of the top of the air inlet cylinder, through which the stirring shaft extends into the bottom of the reactor body, forming an air inlet chamber between the stirring shaft and the air inlet cylinder. An air inlet pipe is provided at the top of the reactor body, extending into the reactor body, with its end penetrating the air inlet cylinder and communicating with the air inlet chamber. Gas is transported from top to bottom along the air inlet chamber into the reactor to participate in the reaction, resulting in a long residence time of the reactant gas in the reactor, thus ensuring that most of the gas participates in the reaction and improving reaction efficiency.

The utility model relates to concrete processing technical field, concretely is a kind of gravel screening device with anti-blocking function, including feed hopper, the bottom end of the feed hopper is inserted in the middle part of the top of box, the inner wall of the box is equipped with screening mechanism, support column is welded with the just below of screening mechanism in the inner wall of the box, the tail end of the support column is welded with protective box, the inside of the protective box is clamped with thimble mechanism, the bottom end of the box is equipped with aggregate hopper, the bottom end of the aggregate hopper is equipped with discharge gate, the outer wall of the aggregate hopper is equipped with support frame. Improved screening device, the bottom end of the feed hopper is divided into the extension channel, can realize the uniform distribution of raw materials on screening mechanism, avoid raw materials to form accumulation or partial load, reduce the screen hole blockage due to local overload, thimble mechanism can automatically remove the gravel blocked on screen plate, prevent screen hole from being blocked, reduce the production interruption due to blockage, ensure the smooth of screen hole, improve the precision and efficiency of screening.

The present application provides a pulmonary function instrument test head, a pulmonary function instrument and a pulmonary ventilation test unit. The pulmonary function instrument test head includes a pulmonary ventilation test unit and a pulmonary ventilation test unit. The pulmonary ventilation test unit includes a first mounting base and a detachably mounted first breathing duct; an ultrasonic flow sensor is provided inside the first mounting base and on the outer wall of the first breathing duct. The pulmonary ventilation test unit includes a second mounting base and a second breathing duct; a cavity connected to the test gas is provided inside the second mounting base, and the second breathing duct includes a first pipe opening, a second pipe opening for connecting to the cavity and a third pipe opening for connecting to the air; a blocking valve that can selectively block the third pipe opening is provided at the third pipe opening. The second mounting base is also provided with a collection channel that is connected to the pipeline between the first pipe opening and the third pipe opening and collects trace gas in the pipeline. The collection channel is connected to a gas analyzer test device for measuring gas composition and concentration.

The invention provides an umbrella-shaped supporting type filling hydraulic support, which relates to the technical field of coal mine support, and comprises a support base, a hydraulic stand column, a lower platform, a top beam, a lifting jack, a sliding table, a connecting rod group, a sliding block group, a telescopic beam, a shield beam, a waste rock leakage scraper conveyor, a suspension chain, a pulling oil cylinder and a waste rock filling mechanism, the support base and the top beam are connected through the hydraulic stand column, the telescopic beam and the shield beam are connected with the sliding table and the top beam through the connecting rod set and the sliding block set, the front end of the support base is connected with the pulling oil cylinder, a goaf is filled through the gangue filling mechanism at the rear end of the support, and the gangue leakage scraper conveyor is hung on the shield beam through the hanging chain. The working resistance is large, the whole frame can be folded, the telescopic beam, the shield beam and the connecting rods on the two sides can be folded towards the center line, and more roadway space is saved; and the angle of the gangue filling mechanism can be freely adjusted to more effectively compact the gangue.

The utility model discloses an III-type iodine adsorber, which comprises a shell and an adsorption module, the shell is provided with a ventilation chamber, the adsorption module is positioned in the ventilation chamber, the ventilation chamber is divided into an air inlet chamber and an air outlet chamber by the adsorption module, the adsorption module comprises a plurality of adsorption beds which are sequentially connected end to end, and among three adjacent adsorption beds, the air inlet chamber is communicated with the air inlet chamber. Wherein an air inlet groove with an opening facing the air inlet chamber is formed between every two adjacent adsorption beds, an air outlet groove with an opening facing the air outlet chamber is formed between the other two adjacent adsorption beds, and the circulation sectional area of the air inlet grooves is gradually reduced from the air inlet chamber to the air outlet chamber. The circulation cross section area of the air outlet groove is gradually increased from the air inlet chamber to the air outlet chamber, so that the air flow distribution is optimized, the adsorption efficiency is improved, and the replacement period of the adsorbent is prolonged. The nuclear air purifier is suitable for the technical field of nuclear air purification.

The invention discloses a medium-speed coal mill biomass turning device and method, the medium-speed coal mill biomass turning device comprises a turning mechanism mounted above a millstone in a coal mill shell, and the turning mechanism is composed of a driving assembly, a transmission assembly and a turning assembly; the transmission assembly comprises a hollow annular connecting piece arranged in the center of the top of the grinding disc, a driven shaft fixedly connected with the top of the hollow annular connecting piece, and a driving shaft which is arranged in the driven shaft in a penetrating mode, extends downwards into the hollow annular connecting piece and is rotationally connected with the driven shaft. The driving assembly comprises a planetary gear set and an explosion-proof motor for driving the planetary gear set; the material turning assembly comprises a plurality of trapezoid material turning bases arranged in the circumferential direction of the hollow annular connecting piece at equal intervals, and spiral conveying shafts rotationally arranged in the trapezoid material turning bases. By means of a composite motion mechanism and a gradually-expanded discharging structure, uniform distribution and efficient conveying of biomass on the grinding disc are achieved, and the grinding efficiency and the equipment stability are remarkably improved.

The secondary battery case accommodates an electrode assembly having a structure in which electrodes and separators are alternately arranged, the secondary battery case including a first cup having a recessed shape, a second cup having a recessed shape and provided on one side of the first cup, a first peripheral portion surrounding a perimeter of the first cup when the secondary battery case is unfolded, and a second peripheral portion surrounding a perimeter of the second cup when the secondary battery case is unfolded. The first peripheral portion includes a first cup-corresponding peripheral portion that corresponds to a width of the first cup, and the second peripheral portion includes a second cup-corresponding peripheral portion that corresponds to the second cup. When viewed in a cross-sectional view in which the width of the first cup is shown, the width of the first cup is greater than a width of the first cup-corresponding peripheral portion.

The present invention discloses a circulation type continuous flow aerobic granular sludge sewage treatment system, and relates to the technical field of sewage treatment, the circulation type continuous flow aerobic granular sludge sewage treatment system comprises a structure pool, the structure pool is provided with an inner cavity, and the inner cavity is divided into a deoxidation cavity, an anaerobic cavity, an anoxic laminar flow cavity and a composite cavity; one end of the water inlet mechanism is communicated with sewage, and the other end is communicated with the deoxidation cavity; one end of the water outlet mechanism is communicated with the composite cavity; an overflow port communicated with the anaerobic cavity is formed in the upper part of the deoxidation cavity; a communication port communicated with the anoxic laminar flow cavity is formed in the bottom of the anaerobic cavity; the anoxic laminar flow cavity is provided with a deep tank homogeneous circulation mixing module; the composite cavity is divided into a plurality of communicated sub-cavities, and the sub-cavities are respectively an aerobic cavity and a precipitation screening cavity; the anoxic laminar flow cavity is communicated with the aerobic cavity; the precipitation screening cavity is communicated with a water outlet mechanism, and a sludge interception screening device is arranged below the water outlet position of the precipitation screening cavity. The sewage treatment device has the effects of reducing the sewage treatment cost and improving the sewage treatment stability and efficiency.

The utility model relates to the field of agricultural planting, and discloses a one-span two-tooth-shaped-top large-span film greenhouse which comprises a plurality of main stand columns, a plurality of composite cross beams are fixedly connected among the main stand columns, the upper ends of the composite cross beams are fixedly connected with bearing rods which are opposite left and right, greenhouse rods are fixedly connected to the upper portions of the bearing rods, and the upper portions of the greenhouse rods are fixedly connected with the upper portions of the composite cross beams. The left ends of the multiple bearing rods are fixedly connected with diagonal draw bars, the middles of the lower ends of the multiple shed rods are fixedly connected with longitudinal rods, the upper ends of the multiple main stand columns are fixedly connected with water tanks, and the upper ends of the multiple composite cross beams are fixedly connected with water tanks. According to the utility model, the vault of the greenhouse is provided with two tooth-shaped tops, the higher ineffective space of the tooth-shaped top of a single arch is reduced, the wind resistance is improved, a composite beam bearing structure is adopted, better crop hanging load is provided compared with a single cross beam, and the half slope is not blocked by a clamping groove, so that condensed water in the greenhouse can flow to the edge of a water tank, and plants are not polluted.

The utility model relates to a microalgae incubator which comprises a cylinder body, a guide cylinder, an air distributor and an LED (Light Emitting Diode) lamp strip, the guide cylinder is of a hollow structure and is arranged in the cylinder body, and an LED lamp strip is wound on the outer wall of the guide cylinder; the air distributor comprises a microporous aeration part and a large-aperture aeration part; a main air inlet pipe is arranged at the bottom end of the barrel, one end of the main air inlet pipe is connected with an air source, the other end of the main air inlet pipe is connected with a first air-distributing pipe and a second air-distributing pipe, the first air-distributing pipe is connected with the micropore aeration part, and the second air-distributing pipe is connected with the large-aperture aeration part. The micro-aeration holes generate fine bubbles, the large-aperture aeration holes generate large bubbles, the requirements of microalgae in different growth stages are met, the growth speed of the microalgae is increased, the large-aperture aeration holes and the micro-aeration holes are matched for use, dead zones in the barrel are reduced, the problem of blockage possibly caused by microporous aeration is avoided, and the aeration efficiency is improved. Therefore, the growth speed and quality of the microalgae are ensured.

This invention provides a method for determining the optimal key furnace parameters of a gas-based vertical shaft furnace based on CFD (Computational Fluid Dynamics), relating to the field of metallurgical equipment design and numerical simulation technology. The method includes: S1, constructing a geometric model of the gas-based vertical shaft furnace and dividing it into meshes; S2, constructing a mechanistic model of gas-solid phase energy and mass flow and gas-solid interphase mass and heat transfer in the gas-based vertical shaft furnace based on Eulerian two-phase flow; S3, determining the input operating parameters of the vertical shaft furnace; S4, performing numerical simulation using the mechanistic model to solve for the chemical reaction field, temperature field, and concentration field until iterative convergence; S5, extracting key production indicators from the simulation results; and S6, determining the optimal combination of key furnace parameters for the gas-based vertical shaft furnace based on the key production indicators. This invention achieves rapid prediction of the optimal key furnace parameters for a gas-based vertical shaft furnace by establishing CFD models of gas-solid phase energy and mass flow and gas-solid interphase mass and heat transfer in a gas-based vertical shaft furnace with different key furnace parameters, performing numerical simulations, and extracting key data for comparison.

This utility model relates to the field of ceramic membrane module technology, and in particular to an irregularly shaped ceramic membrane module, including an inlet pipe. The bottom end of the inlet pipe vertically penetrates the middle of the top of a first end cap. The bottom end of the first end cap is screwed to the top opening of a main cylinder. A second end cap is screwed to the bottom opening of the main cylinder. A clear water pipe vertically penetrates the middle of the bottom of the second end cap. A product water center pipe is provided at the top opening of the clear water pipe. The upper and lower ends of the product water center pipe vertically penetrate the middle of upper and lower fixing plates, respectively. Several irregularly shaped ceramic membranes vertically penetrate the opposite sides of the upper and lower fixing plates. A concentrate pipe vertically penetrates one side of the bottom of the second end cap. This device adopts a honeycomb structure design of hexagonal irregularly shaped ceramic membranes, realizing a high-density orderly arrangement of irregularly shaped ceramic membranes, increasing the effective filtration area per unit volume, and optimizing water flow distribution through geometric symmetry, reducing dead zones and improving filtration efficiency.

The utility model belongs to the technical field of sodium silicate production, and particularly relates to a dissolving kettle for liquid sodium silicate production, which comprises a horizontal reaction kettle, a stirring mechanism is rotatably mounted in the axial direction of the horizontal reaction kettle, the stirring mechanism comprises a main shaft, a plurality of connecting rods are connected onto the main shaft, and the connecting rods are connected with the horizontal reaction kettle. A stirring plate is installed at one end of the connecting rod, the two ends of the main shaft are rotationally connected with a material containing mechanism, the material containing mechanism comprises a vertical frame, the top end of the vertical frame is connected with the two ends of a cross beam, a plurality of brackets are arranged on the cross beam, a grate is arranged on the inner side of each bracket, and end plates are arranged at the two ends of each grate; a manhole, a blanking pipe and an air inlet pipe are arranged on the horizontal reaction kettle. The material containing mechanism can bear more solid materials, the stirring mechanism can effectively stir the materials borne by the material containing mechanism, the material melting speed is greatly increased, and the production efficiency is improved.