1070 results about "Spiral flow" patented technology

The invention provides a modularized flow guide type multi-stage pump, and belongs to the technical field of water pumps. The modularized flow guide type multi-stage pump comprises a pump body assembly and a driving motor, the pump body assembly is formed by sequentially connecting a pump head pattern plate, a multi-stage pump shell, a multi-stage flow guide module set and a water retaining sealing cover, the pump head pattern plate is adjustably connected with a connecting end cover of the driving motor through a long screw rod, and the stage number of the pump can be adjusted by increasing or decreasing the number of the flow guide shells. Different lift requirements are met; the multi-stage flow guide module group is mainly composed of a water inlet flow guide shell, a transmission flow guide shell and a water outlet flow guide shell, a closed impeller is arranged in each flow guide shell to form an independent flow guide module, fluid is guided by spiral flow guide blades between the flow guide shells to orderly flow and smoothly transmit, and turbulent flow eddy current loss is reduced; and the water retaining sealing cover realizes double leakage prevention through a stepped sealing flange and mechanical sealing. The high-lift and high-flow pump has the advantages of being easy to disassemble, assemble and maintain, modularized and flexible to adjust, low in energy loss, high in lift, high in flow and high in sealing performance.

The invention discloses a casting ball production line metal mold preheating device for high-quality copper casting manufacturing, and relates to the field of casting manufacturing, the casting ball production line metal mold preheating device comprises a mold, a heat exchange mechanism, a heat pipe, a cold pipe and a cold and hot switching conveying mechanism; the device has the advantages of being reasonable and simple in structure, low in production cost and convenient to install, efficient circulating preheating of hot liquid is achieved through cooperative operation of the conveying pump, the heat pipe, the cold pipe and other components, the hot liquid fully exchanges heat with the mold in the heat exchange annular groove through the spiral flow guide pieces, and the preheating efficiency is greatly improved; the valve element is driven by the oil cylinder to move to achieve cold and hot passage switching, the function switching from preheating to cooling of the mold can be rapidly completed, the smoothness of the production process is guaranteed, and the production period is shortened; in the cooling process, cold liquid can flow back to the hot liquid cavity after absorbing heat of the mold, cyclic utilization of the cooling liquid is achieved, energy waste is effectively avoided, the production cost is reduced, and the resource utilization rate is increased.

The invention relates to the technical field of agricultural machinery, and discloses an adjustable soil covering device for ginger planting, comprising: a mobile vehicle, the front side of the bottom of which is provided with a front wheel matched with the curved surface of a ridge, and the rear side of which is provided with a rear wheel with a ditch edge profiling structure; the central mixing bin is integrally formed in the middle of the mobile vehicle chassis, and a rotatable scattering disc is coaxially arranged in the central mixing bin. The mixing process of soil and fertilizer is innovatively integrated in the central mixing bin, and the fertilizer is sucked from a storage box through a Venturi negative pressure generator in a pneumatic conveying mode; the high-pressure fan provides airflow power to feed the materials into the mixing bin, non-blocking automatic fertilizer supply is achieved, the fertilizer and soil intersect in the bin, the materials are guided to spirally fall down by means of the tapered spiral flow guide column, the mixing path is prolonged, meanwhile, the ultrasonic vibration plate continuously vibrates to form lumps, it is guaranteed that the two materials are highly and evenly mixed, and the mixing efficiency is improved. And a mixed substrate with stable quality is provided for subsequent precise soil covering.

The utility model relates to the technical field of coal tar processing equipment, and discloses an oil-water separator for coal tar processing, which comprises a separation tank, the feeding mechanism is arranged at the upper end of the separation tank; the discharging mechanism is arranged at the lower end of the separation tank, the separation tank comprises a tank body, and an oil outlet is formed in one end of the inner side wall of the tank body. According to the oil-water separation tank, the auxiliary water and oil mixture mixing and layering structure is arranged, namely, the spiral flow guide cover is arranged at the top of the tank body and matched with the feeding end, so that a water and oil mixture entering the tank body and a chemical reagent capable of promoting oil-water separation can be discharged after being spirally guided by the spiral flow guide cover, and a stirring mechanism at the bottom of the tank body is matched; according to the oil-water separator, mixing of a chemical reagent and a water-oil mixture can be promoted, rotation of the stirring paddle is stopped after mixing, the water-oil mixture entering the tank body can be rapidly mixed and layered, heavy water in the water-oil mixture can rapidly sink to the bottom, light oil in the water-oil mixture can rapidly float on the water-oil mixture, and therefore rapid oil-water separation is achieved.

The invention belongs to the field of dies, and particularly relates to a cam cover die-casting die with a spiral cooling structure, a die table mechanism comprises a lower die table and an upper die table which are combined, and a lower die core and an upper die core which are matched with each other are arranged in the lower die table and the upper die table; the pouring mechanism comprises a pouring end seat arranged on the upper mold table, a pouring channel penetrating through the upper mold core is formed in the pouring end seat, and the other end of the pouring channel penetrates into a closed cavity of the lower mold core and the upper mold core; the track mechanism comprises a track table arranged on the outer side of the cavity; the multi-layer structure of the spiral pipe is in direct contact with the outer wall of the cavity, the spiral flowing path of a cooling medium is combined, the heat exchange area and cooling uniformity are increased, the casting deformation risk is reduced, a temperature sensing end base integrated temperature sensor monitors the temperature of the cavity in real time, and the flow of the cooling medium is dynamically adjusted in cooperation with a deformation piece driven by an air bag piece. And intelligent control of slow-cooling anti-cracking in a high-temperature area and rapid-cooling shaping in a low-temperature area is realized.

Belonging to the field of petrochemical engineering, the invention discloses a catalytic slurry oil purification device, which comprises a tank body, and a feed end and a discharge end respectively arranged at two ends of the tank body. An upper partition plate and a lower partition plate are fixedly connected to the inner wall of the tank body, a discharging opening is formed in the upper partition plate, and a feeding opening is formed in the lower partition plate; the interior of the tank body is divided into three independent cavities by the upper partition plate and the lower partition plate; according to the scheme, the filter element is sleeved with the hollow cylinder, and the rotatable first spiral flow deflector is further arranged between the inner wall of the hollow cylinder and the outer wall of the filter element; a rotatable first spiral flow deflector is further arranged between the inner wall of the hollow cylinder and the outer wall of the filter element; a shear force generated by rotation of the first spiral flow deflector can prevent a filter cake on the surface of the filter element from forming a compact thick layer; a filter cake layer can be controlled within a relatively thin thickness range, and the rising speed of the pressure difference is delayed, so that the operation duration of a single filtering period is prolonged; and the single-time continuous treatment capacity of the device is greatly improved.

The invention discloses a spline shaft high-speed grinding and cooling device and method, and relates to the technical field of grinding and cooling devices.The spline shaft high-speed grinding and cooling device comprises a workbench, a grinding assembly, a clamping and rotating assembly, a conveying assembly and liquid guiding mechanisms, an encircling structure is formed by the two symmetrically-arranged liquid guiding assemblies, and the design that the center extension line of a jet flow opening accurately points to a grinding position is matched; the problem that a traditional fixed nozzle cannot focus on a grinding area is solved, cooling liquid can directionally act on a grinding contact area, and it is guaranteed that grinding points are effectively covered all the time in the spline shaft machining process. By means of the synergistic effect of the spiral liquid guide structure and the high-speed rotation of the spline shaft, cooling liquid is continuously accelerated in the gradually-shrunk flow channel to form high-pressure spiral flow so as to effectively break through an air barrier formed by high-speed rotation on the surface of the spline shaft, and the centrifugal acceleration effect of the spiral flow is combined with the pressurization effect of the gradually-shrunk flow channel of the protective cover. And the spraying kinetic energy of the cooling liquid is greatly improved.

The invention discloses a support installation angle measuring device for photovoltaic power generation, which relates to the technical field of measurement and comprises an installation position structure, a magnetic field control assembly and a measuring assembly. The installation position structure is arranged at the connection position of a stand column and a cross beam of the photovoltaic support, the connection point of an inclined supporting rod and a main frame and the connection area of a base and a foundation, under the cooperation of the magnetorheological fluid cavity assembly and the magnetic field control assembly and the design of a spiral flow guide groove and a cone frustum cavity, the fluid distribution uniformity is improved, and under the action of a magnetic field, the fluid distribution uniformity is improved. The spiral flow guide grooves guide the magnetorheological fluid to form spiral flow and cooperate with a rotating magnetic field, the support fixing effect is remarkably enhanced, and when the support deviates due to external force, the micro stress sensor of the magnetorheological fluid cavity reversely deduces the angle through shear stress changes and feeds the angle back to the magnetic field control assembly for real-time correction. Therefore, stress is released and deformation is corrected under extreme working conditions such as strong wind and earthquakes, and the accuracy and response speed of angle control and measurement of the support are greatly improved.

The invention relates to the technical field of high-power femtosecond laser manufacturing, and discloses a high-power industrial femtosecond laser water cooling structure and a manufacturing method thereof. Comprising the steps that any one of a variable cross-section spiral flow channel, a bionic fin flow channel or a micro-channel array is directly machined in a machine shell water-cooling plate through the five-axis linkage precision machining technology or the micro-nano machining technology, or the printer shell water-cooling plate is integrated through the metal additive manufacturing technology; a reflector base, a heat dissipation chute and a cooling water channel are integrated in the machining process of the water cooling plate of the machine shell; carrying out material and surface treatment process operation; assembling process operation is carried out, a reflecting mirror base is matched with a mortise and tenon joint structure and a machine shell water-cooling plate through high-precision positioning pins, the reflecting mirror base and the machine shell water-cooling plate are rigidly connected in a vacuum brazing or laser welding mode, and a light guide side plate and a runner cover plate are designed into standard modules; the light guide side plate and the runner cover plate are quickly assembled through magnetic attraction positioning and spring buckles.

The utility model discloses a soil vibration screening instrument, which belongs to the technical field of soil screening, and a vibration screening box comprises a vibration adjusting frame and a multi-layered spiral screening assembly, the vibration adjusting frame comprises a vibration tray, a screw rod, a central column and a fixing ring; the multi-layer spiral screening assembly comprises a single-pipe spiral flow guide channel and a multi-layer spiral screening ring which are communicated from top to bottom, the single-pipe spiral flow guide channel is arranged in the annular space and fixedly connected to the top of the center column, and the multi-layer spiral screening ring is connected to the center column in a penetrating and sleeving mode and connected to the screw. According to the screening instrument, screening parameters can be adjusted in real time, so that the screening precision and the screening efficiency are improved, and the cost consumption is reduced.

The invention discloses a new energy automobile electric compressor preheating structure and a control method, and relates to the technical field of new energy automobile heat management. The method comprises the three steps of heat source collaborative recovery, heat demand dynamic distribution and self-starting collaborative execution, specifically, motor stator waste heat and compression refrigerant waste heat are recovered through a heat conduction fin array and a spiral flow channel, and a shared heat conduction medium is guided in; based on a fuzzy PID controller, a heat flow guide valve is dynamically adjusted to distribute heat flow according to the lubricating oil way temperature, the suction superheat degree and the shell temperature; the generator is triggered to be rapidly heated in a locked-rotor mode at the ultralow temperature, the preheating requirement is pre-judged in combination with a heat attenuation model, the structure comprises a temperature sensor set, a three-way heat flow guide valve and an embedded MCU processor, efficient waste heat utilization is achieved, external energy consumption is not needed, preheating energy consumption is effectively reduced, and the low-temperature starting performance and operation stability of the compressor are remarkably improved.

The invention relates to the technical field of ascites drainage, in particular to an ascites drainage device which comprises a puncture tube, the output end of the puncture tube is fixedly connected with a one-way valve, the output end of the one-way valve is fixedly connected with a separation tube, a drainage opening is formed in the bottom of the separation tube, and the output end of the drainage opening is fixedly connected with a drainage tube. The output end of the drainage tube is fixedly connected with a liquid accumulation bag, a filter cartridge is arranged in the separation tube, and the input end of the filter cartridge is communicated with the input end of the separation tube. The spiral flow deflectors which are uniformly arranged along the central axis are arranged at the input end of the filter cartridge, so that ascites can be guided to form a spiral flowing state, and solid substances are always kept in dynamic distribution of'spirally advancing along the wall 'by virtue of centrifugal force; meanwhile, when the filter cartridge is blocked and the pressure rises to a preset value, the second T-shaped piston rod can extrude the titanium alloy spring to slide, so that ascites enters the hole-free groove to expand the internal space of the filter cartridge, the pressure is balanced, and time is bought for cleaning blockages.

The invention discloses a high-pressure hydrogen pressure reducing valve with a spiral flow channel structure. The high-pressure hydrogen pressure reducing valve comprises a valve body, a sealing end cover, a needle-shaped valve element and an inlet end cover. A through cavity is formed in the center of the valve body in the axial direction. The sealing end cover, the needle-shaped valve element and the inlet end cover are sequentially and coaxially assembled and connected into the cavity of the valve body from top to bottom. A gas outlet channel is arranged on the side wall of the valve body and located between the sealing end cover and the needle-shaped valve element, a gas inlet channel is arranged at the bottom of the inlet end cover, and gas enters from the gas inlet channel and is exhausted through the gas outlet channel. The needle valve has the advantages of being simple in structure and long in service life, and the two spiral flow channel notches are evenly distributed in the outer surface of the needle valve element; due to the design of the spiral flow channel, the hydrodynamic performance is effectively improved, the reliability of the system is enhanced, and meanwhile the energy utilization rate and the impact resistance are improved; in addition, the pressure of hydrogen at the outlet of the valve body can be effectively controlled through the design of the adjusting channel, and the pressure is still kept relatively stable under extreme conditions.

The invention discloses an active and passive noise reduction silencer, and relates to the technical field of noise reduction silencers, the active and passive noise reduction silencer comprises a noise reduction pipe, and a honeycomb turbulent flow noise reduction assembly, a spiral injection speed reduction assembly and a kinetic energy turbine conversion assembly are arranged in an inner cavity of the noise reduction pipe in the airflow flowing direction; efficient noise reduction and stable operation are realized through three processes of multi-stage speed reduction, active and passive cooperative noise reduction and kinetic energy conversion; through conical expansion of an inlet section pipeline, rectification and backflow interference of a honeycomb turbulent flow noise reduction assembly, and extension paths of a porous sound absorption confluence module and a spiral flow guide turning module of a spiral injection speed reduction assembly, multi-stage stepped speed reduction is formed, air flow kinetic energy and impact force are gradually reduced, and noise is further reduced; the porous sound absorption confluence module reduces airflow vibration noise through shunting and multiple sound absorption, the kinetic energy turbine conversion assembly converts airflow kinetic energy into mechanical kinetic energy, residual noise is accurately counteracted in cooperation with active noise reduction of the tail end of the noise reduction section pipeline, and the noise reduction effect is greatly improved through active and passive combination.

The invention provides a three-dimensional noise reduction structure system drainage pipe design method, and belongs to the technical field of building drainage pipes. Discretization analysis is carried out on a three-layer structure of a spiral flow guide structure PVC pipe inner wall, an asymmetric butyl rubber damping interlayer and gradient density foamed aluminum by establishing a three-dimensional noise reduction model; and constructing a vibration transfer matrix and a noise reduction key point matrix. A spiral flow guide structure is optimized through hydraulic calculation, thickness distribution of a rubber damping layer is determined through acoustic impedance testing, foamed aluminum porosity gradient design is carried out, and a small-section noise reduction cross-correlation index is introduced to evaluate the synergistic effect of adjacent structures. The optimal material ratio is solved through a three-dimensional noise reduction optimization equation set, the noise reduction effect is predicted in combination with an acoustic response deep learning model, standardized module design is finally formed through miniaturized sample piece test verification and parameter correction, and organic unification of full-band noise reduction and modular design of the drainage pipe is achieved.

The utility model relates to a smooth copper shell cold roll, which comprises an inner core component and a copper shell component coaxially connected outside the inner core component, a liquid inlet channel and a liquid outlet channel are respectively arranged at two ends of the inner core component, and an annular cavity is arranged in the copper shell component. The liquid inlet channel, the annular cavity and the liquid outlet channel are sequentially communicated and form a one-way cooling flow channel; an impeller rotating along with the liquid inlet channel is installed in the liquid inlet channel and used for driving cooling liquid to flow in the one-way cooling flow channel. Through the design of linkage of the impeller and the roller body, the cooling liquid is driven to flow by using the rotation power of the roller, an external pumping device is not needed, active cooling with zero extra energy consumption is realized, and the energy-saving benefit is remarkable; a spiral flow guide path is matched, so that the heat conduction efficiency and the cooling liquid contact area are greatly improved, and thermal deformation is effectively prevented.

The invention relates to the technical field of construction equipment, and discloses a civil engineering building construction device which comprises a bottom beam column outer protection plate installed outside a building bottom beam. The supporting beam outer protection plate is installed outside the building supporting beam, and the bottom of the building supporting beam is connected with the corresponding positions of the top of the building bottom beam; the pouring mold base is formed by combining two half molds which are arranged in a mirror image mode, the pouring mold base is installed on the upper portion of the building bottom beam, and the outer portion of the pouring mold base is connected with the corresponding positions of the supporting beam outer protection plate through connecting components; and the sinking force dispersing mechanism is used for dispersing sinking force generated in the pouring use process of the pouring mold base. By adding and arranging the synchronous processing mechanism, when top cross beams of buildings such as doors, windows and the like are poured, the mechanism drives mechanical vibration through high-pressure water flow to replace traditional manual vibration, a turnover part in a spiral flow channel impacts a semicircular conduction piece to generate uniform vibration force, and full-range vibration of a pouring cavity is achieved.

The invention discloses a rotor coaxial heat dissipation structure, a fluorine-containing metal-based lubricating composition and application of cooperation of the rotor coaxial heat dissipation structure and the fluorine-containing metal-based lubricating composition in a motor rotor shaft, and the rotor coaxial heat dissipation structure and gradient functional coatings sequentially formed on the surface of the motor rotor shaft comprise a bottom layer used for leading out winding heat; the transition layer is used for solid lubrication and PFPE heat triggering slow release; the surface layer is used for reducing friction and repairing microcracks; a micro-pit array and a spiral flow guide groove which are machined through laser are formed in the outer portion of the surface layer. According to the invention, a gradient functional coating three-layer synergistic structure is adopted to construct a gradient framework of a bottom layer (a heat conduction band nano reinforced phase), a transition layer (oriented whiskers and slow-release lubrication) and a surface layer (magnetic response self-repairing), so that the problem that heat management, wear resistance and self-repairing functions of a traditional coating are difficult to be compatible is solved; and meanwhile, through the combined design of the laser micro-pit array (liquid storage and resistance reduction) and the spiral flow guide groove (strengthening the flowing of the cooling medium), the heat dissipation efficiency is cooperatively improved.

The utility model relates to the technical field of sewage treatment, in particular to an ultrafilter with a spiral flow guide type conical filter cartridge, which comprises a main box body, a roller filtering device, a two-layer roller filtering device and an internal and external flushing device, the front sealing plate and the rear sealing plate are arranged at the two ends of the cylinder body respectively, the cylinder body is in running fit relative to the main box body, a plurality of hollow filtering holes are formed in the peripheral side of the cylinder body, a filtering net used for covering the filtering holes is arranged in the cylinder body, a spiral flow guide plate is further arranged in the cylinder body, the flow guide plate forms stronger water flow, and the water flow is more uniform. According to the utility model, the inner and outer flushing devices are arranged to flush the inner and outer sides of the filter cartridge, so that the cleanliness of flushing is ensured, the filtering efficiency is improved, and the service life of the filter cartridge and the continuous operation period of equipment are prolonged; the two-layer roller filtering device comprises a filtering drawer provided with filtering cotton, water discharged from a filtering cylinder is filtered for the second time, and the filtering effect of the machine is improved.

The invention discloses a waste heat recovery and heat exchange device for a waste mineral oil treatment process, and belongs to the technical field of waste mineral oil treatment device.The waste heat recovery and heat exchange device comprises a shell, the two ends of the shell are each provided with an end plate and an end socket, a shell cavity is defined by the shell and the two end plates, and the two ends of the shell cavity communicate with a shell pass inlet and a shell pass outlet correspondingly; a plurality of two-way pipes are installed between the two end plates, each two-way pipe is in a U shape, the interior of one end socket is divided into a feeding cavity and a discharging cavity in a sealed mode, and one end of each two-way pipe is communicated with the feeding cavity. Through overall cooperation of the U-shaped double-pass tube, the spiral supporting plate, the rotatable turbulent flow structure and the detection regulation and control assembly, a special structure matched with waste mineral oil waste heat recovery is formed, a tube pass heat exchange path can be prolonged through the double-pass tube, a shell pass medium is guided through the spiral supporting plate to form an ordered spiral flow field, and the waste mineral oil waste heat recovery efficiency is improved. And the heat exchange effect can be enhanced by means of a rotatable turbulent flow structure, and dirt attachment is reduced.

The invention relates to the technical field of waste gas treatment equipment, and provides a waste gas treatment device for producing formic acid from carbon dioxide, which comprises a tower body, and the tower body is provided with a gas inlet and a gas outlet; the turbulent flow assembly is horizontally arranged in the tower body, the turbulent flow assembly comprises a mounting plate, the mounting plate is horizontally arranged in the tower body, and a plurality of water passing holes are uniformly distributed in the mounting plate; the spiral flow guide cone is inversely arranged below the mounting plate, and the conical surface of the spiral flow guide cone, the spiral flow guide cone and the mounting plate are connected through a plurality of elastic pieces. According to the technical scheme, the inverted arrangement of the spiral flow guide cone is matched with the spiral flow guide groove, so that gas-liquid two-phase flowing along a straight line originally is converted into gas-liquid two-phase flowing along a spiral path, the contact time of the gas-liquid two-phase in the tower body is prolonged, and meanwhile, the spiral flow guide cone can swing when being impacted by gas and liquid through elastic traction; the contact angle of the gas phase and the liquid phase is continuously changed, a stable liquid film is prevented from being formed on a conical surface, the disturbance of a gas-liquid interface is enhanced, and the mass transfer efficiency is improved.

The invention discloses two-stage reverse osmosis water treatment equipment, and relates to the technical field of water treatment equipment, the two-stage reverse osmosis water treatment equipment comprises a shell, a flow guide net is arranged in the shell, a reverse osmosis membrane is arranged in the flow guide net, the outer side of the flow guide net is fixedly connected with a side plate, and the inner wall of the flow guide net is fixedly connected with a spiral plate. According to the two-stage reverse osmosis water treatment equipment, the spiral plate arranged on the inner side of the flow guide net can convert linear water flow into spiral rotational flow, and centrifugal force generated by the rotational flow can throw suspended particles, colloids and other impurities in water to the outer side of the flow guide net, so that the contact probability of the impurities and a reverse osmosis membrane is further reduced; meanwhile, the spiral flow channels increase the contact area and contact time of water flow and the surface of the membrane, the permeation efficiency of water molecules is improved, rigid structures of the spiral plates can play a role in supporting the flow guide nets and the reverse osmosis membrane, and side plates arranged on the outer sides of the flow guide nets can realize sealed isolation between adjacent permeation units and prevent water flow mixing among different units.

The invention discloses a high-pressure anti-vibration ship basket type filtering device, and relates to the technical field of basket type filtering devices. The invention relates to a high-pressure anti-vibration ship basket type filtering device, which comprises a tank body provided with a water inlet and a water outlet, and further comprises a limiting ring fixedly connected to the inner wall of the tank body, spiral flow guided by the spiral flow deflectors enables fluid to flow in the basket type filter cartridge in a wall-attached mode, the problem of short-circuit flow of traditional straight cartridge flow is solved, the effective contact area of the fluid and the basket type filter cartridge is increased, meanwhile, centrifugal force generated by the spiral flow throws impurities to the cartridge wall of the basket type filter cartridge, the impurities are evenly distributed on the surface of the basket type filter cartridge, and the filter efficiency is improved. Local blockage is avoided; besides, the spiral flow formed by the fluid passing through the spiral flow deflector generates continuous downward pressure on the basket type filter cartridge, the pressure is increased along with the increase of the flow, and after the pressure is superposed with the self weight of the basket type filter cartridge, the attachment pressure of the basket type filter cartridge passing through the mounting block and the limiting ring is increased, and the stability under the vibration working condition is effectively improved.

The device comprises a magnetic flocculation reactor, a centrifugal separator is arranged on one side of the magnetic flocculation reactor, a reaction kettle is arranged on one side of the centrifugal separator, and a spiral cleaning machine is arranged on one side of the reaction kettle, and is characterized in that a first driving motor is arranged at the bottom of the centrifugal separator; a driving fulcrum shaft is installed at the output end of the upper surface of the first driving motor, a drum body is arranged in the middle of one side of the outer surface of the driving fulcrum shaft, a plurality of inner cone layers are installed in the drum body, and outer cone layers are arranged on the top of the outer surface of the driving fulcrum shaft side by side. Through cooperation of the first driving motor, the driving fulcrum shaft, the inner cone layer, the outer cone layer and the hydraulic telescopic rod, the taper of the rotary drum body can be dynamically adjusted according to the viscosity of waste liquid, and the solid-liquid separation efficiency is remarkably improved in combination with the spiral flow guide edges on the inner wall.

The utility model relates to the technical field of anti-cavitation horizontal type thick slurry foam pumps, in particular to an anti-cavitation horizontal type thick slurry foam pump which comprises a base, an impeller cover is installed on the top of the base, a three-stage stepped impeller for preventing overlarge local pressure difference caused by instant pressurization of a single-stage impeller is installed in the impeller cover, and the three-stage stepped impeller is installed in the base. The top of the impeller cover is connected with a feeding pipe, and the feeding pipe is provided with a low-pressure-preventing mechanism which is used for preventing a low-pressure area from being generated due to the sudden change of the flow speed when thick slurry raw materials directly enter the impeller, the thick slurry foam is pre-accelerated and rectified through the spiral flow guide plate, and it is ensured that the pressure of a suction cavity is always higher than the saturated vapor pressure of liquid; and meanwhile, under the action of the three-stage stepped impeller, fluid is pressurized step by step, the situation that the local pressure difference is too large due to instant pressurization of a single-stage impeller is avoided, residual bubbles are guided to a low-pressure area through the final-stage pressure relief hole to be slowly released, bubble collapse impact is reduced, and therefore the cavitation prevention effect is achieved.

The present application relates to the technical field of automobile interior injection molding, and provides an automobile column interior injection molding equipment, which comprises an auxiliary injection unit with an angle adjusting function, an intelligent vibration control system and a modular mold assembly. The auxiliary injection unit is designed with an adjustable angle injection head of 15-30 degrees, cooperates with a spiral flow guide groove and an annular buffer cavity structure, and realizes directional filling of the melt in the complex corner area; the high-frequency micro-vibration generator automatically adjusts the vibration frequency (200-500 Hz) according to the real-time injection speed, effectively improves the melt flow performance; the modular mold design supports rapid changeover and can adapt to the A-pillar production requirements of different vehicle models. The equipment significantly improves the forming quality and production efficiency of the interior part, and improves the product weld mark strength, so that the surface roughness is reduced.

The invention relates to the technical field of control engineering, and discloses a synthesis kettle internal efficient cooling circulation method and system.The synthesis kettle internal efficient cooling circulation method comprises the steps that the rotation speed of inner blades and outer blades of a synthesis kettle corresponding to a multi-stage spiral flow guide assembly is defined, and initial parameters of a synthesis kettle corresponding to a dynamic jet cooling module are configured; partitioning the synthesis kettle to obtain partitioned synthesis kettles, analyzing a temperature gradient matrix of the partitioned synthesis kettles, and determining a local overheating area of the synthesis kettle; position mapping is conducted on the local overheating area and the multi-stage spiral flow guide assembly, a mapping spiral blade is obtained, and the rotating speed difference of the mapping spiral blade is calculated so as to determine a rotating speed regulation and control instruction of the mapping spiral blade; and marking a target adjusting nozzle of the dynamic jet cooling module in the local overheating area, determining an angle regulation instruction of the target adjusting nozzle, and executing internal efficient cooling of the synthesis kettle based on the rotating speed regulation instruction and the angle regulation instruction. The internal temperature control effect of the synthesis kettle can be improved.

The utility model discloses a gas-liquid separator for MVR (Mechanical Vapor Recompression) evaporation, which is characterized in that a spiral circulation groove is arranged in a fixed circular ring, a filter ring is sealed between the lower end of the fixed circular ring and a gas-liquid separator shell, a support plate is fixedly connected to the inner wall of one side of the gas-liquid separator shell positioned at the lower end of the fixed circular ring, and a motor is fixedly mounted at the bottom end of the middle of the support plate; the low-temperature water circulation device has the following advantages that after the spiral circulation groove is formed in the fixed circular ring, low-temperature water can circulate along the spiral circulation groove without a dead angle, and the low-temperature water entering the fixed circular ring is updated; gas entering the gas-liquid separator shell is preliminarily filtered through the filtering ring to absorb moisture in the gas, liquid located on one side of the arc-shaped groove structure of the arc-shaped stirring blade passes through the water filtering hole and is finally discharged from the water discharging hole, and the liquid is thrown to the splash-proof net cover along the arc-shaped stirring blade. And the thrown-out liquid can be effectively prevented from directly colliding with the surface of the fixed circular ring to generate aerial fog.

The invention discloses a deep sea ore conveying system and a cooperative control method thereof. Belongs to the technical field of deep sea mining and comprises a pre-crushing module, a middle transition pipeline and an anti-blocking conveying pipeline, and a periodic air pressure pulse device and a modular control correction unit are arranged on the outer wall of the anti-blocking conveying pipeline; the device has the characteristics that front-end pre-crushing: high-pressure water jet crushes ores in a non-contact manner, so that large ores are prevented from entering a pipeline; the particle size is detected in real time through laser, ore exceeding the standard is circularly and secondarily crushed, and the blocking risk is controlled from the source; middle-end anti-blocking conveying is achieved, ore is made to rotate and suspend through spiral flow deflectors, and pipe wall friction is reduced; the air pressure pulse periodically impacts the adhesion layer, and physical-pneumatic cooperative blockage removal is achieved; adjusting buoyancy at the rear end, namely dynamically filling and discharging liquid in a buoyancy cabin in a modular control correction unit, and matching ore density change in real time; buoyancy is adjusted in advance through predictive control, traction force on the water surface supporting platform is reduced, and meanwhile the problem of pipeline deviation caused by disturbance of a deep sea flow field is solved through a lateral pushing device.

The invention discloses an intelligent temperature control system of a spiral runner efficient heat dissipation injection mold, and relates to the technical field of injection molding. The system comprises the following modules: a melt data adaptation optimization module, a pressure maintaining and temperature control suitability optimization module and a thermal response condition quantification and judgment module. According to the method, firstly, the injection molding melt injected into the injection mold is monitored to reflect the melt injection molding data adaptation condition of the melt injection molding and temperature control condition, then melt data adaptation optimization is conducted, then the adjustment amplitude of data in the pressure maintaining stage is judged, and corresponding pressure maintaining and temperature control adaptation optimization measures are taken; and finally, the thermal response condition of the mold cavity of the injection mold is quantified and judged in the circulation period, cooling heat dissipation temperature control adjustment is conducted according to the thermal response condition, the precision of intelligent temperature control of the injection mold is improved, and the problem that in the prior art, the temperature control precision of a temperature control system is reduced is solved.